74LV123PW_技术文档

74LV123

Dual retriggerable monostable multivibrator with reset

Rev. 10 — 14 July 202

Product data sheet

1. General description

The 74LV123 is a dual retriggerable monostable multivibrator with reset. The basic output pulse

width is programmed by selection of external components (R_EXTand C_EXT). Once triggered this

basic pulse width may be extended by retriggering either of the edge triggered inputs (nA or (nB).

By repeating this process, the output pulse period (nQ = HIGH, nQ = LOW) can be made as long

as desired. Alternatively, an output delay can be terminated at any time by a LOW-going edge on

input nRD. Control inputs include clamp diodes. This enables the use of current limiting resistors

to interface inputs to voltages in excess V_CC. Schmitt-trigger action at nA and nB inputs makes the

circuit tolerant of slower input rise and fall times.

2. Features and benefits

•

Wide supply voltage range from 1.0 V to 5.5 V

•

CMOS low power dissipation

Latch-up performance exceeds 100 mA per JESD 78 Class II Level B

Optimized for low-voltage applications: 1.0 V to 3.6 V

Accepts TTL input levels between V_CC= 2.7 V and V_CC= 3.6 V

Typical output ground bounce: < 0.8 V at V_CC= 3.3 V and T_amb= 25 °C

Typical HIGH-level output voltage (V_OH) undershoot: > 2 V at V_CC= 3.3 V and T_amb= 25 °C

DC triggered from active HIGH or active LOW inputs

Retriggerable for very long pulses up to 100 % duty factor

Direct reset terminates output pulses

Schmitt-trigger action on all inputs except for the reset input

Complies with JEDEC standards:

•

JESD8-7 (1.65 V to 1.95 V)

JESD8-5 (2.3 V to 2.7 V)

JESD8C (2.7 V to 3.6 V)

JESD36 (4.5 V to 5.5 V)

•

ESD protection:

•

HBM JESD22-A114F exceeds 2000 V

MM JESD22-A115-A exceeds 200 V

•

Multiple package options

Specified from -40 °C to +85 °C and from -40 °C to +125 °C

3. Ordering information

Table 1. Ordering information

Type number Package

Temperature range Name

Description

Version

74LV123D

-40 °C to +125 °C

SO16

plastic small outline package; 16 leads;

body width 3.9 mm

SOT109-1

74LV123PW

-40 °C to +125 °C

TSSOP16

plastic thin shrink small outline package; 16 leads;

body width 4.4 mm

SOT403-1

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

Type number Package

Temperature range Name

-40 °C to +125 °C

Description

Version

74LV123BQ

DHVQFN16 plastic dual in-line compatible thermal enhanced

very thin quad flat package; no leads; 16 terminals;

body 2.5 × 3.5 × 0.85 mm

SOT763-1

4. Functional diagram

14

CX

15

RCX

13

1

2

&

14 1CEXT

2CEXT

15 1REXT/CEXT

2REXT/CEXT

6

4

7

3

R

S

13 1Q

Q

6

5

2Q

CX

RCX

&

1A

2A

1

9

T

7

5

4

1Q

9

1B

2

12 2Q

2B 10

10

RD

1RD 3

12

2RD 11

11

R

001aae521

001aae522

Fig. 1. Logic symbol

Fig. 2. IEC logic symbol

14

1CEXT

15

1REXT/CEXT

S

13

1Q

Q

1

1A

T

4

2

3

1B

RD

1RD

6

7

2CEXT

2REXT/CEXT

S

5

2Q

Q

9

2A

T

12

10

11

2B

RD

2RD

001aaa610

Fig. 3. Functional diagram

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74LV123

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Product data sheet

Rev. 10 — 14 July 202

2 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

nREXT/CEXT

V

CC

Q

RD

R

V

CL

CC

V

CC

R

A

B

CL

001aae524

R

Fig. 4. Logic diagram

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74LV123

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 14 July 202

3 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

5. Pinning information

5.1. Pinning

74LV123

terminal 1

index area

2

3

4

5

6

7

15

14

13

12

11

10

1B

1RD

1REXT/CEXT

1CEXT

1Q

74LV123

2Q

1A

1

2

3

4

5

6

7

8

16 V

CC

2CEXT

2REXT/CEXT

(1)

CC

2RD

2B

V

1B

1RD

15 1REXT/CEXT

14 1CEXT

13 1Q

1Q

001aag650

2Q

12 2Q

2CEXT

2REXT/CEXT

GND

11 2RD

Transparent top view

10 2B

(1) This is not a supply pin. There is no electrical or

mechanical requirement to solder the pad. In case

soldered, the solder land should remain floating or

9

2A

001aag678

connected to V_CC

.

Fig. 5. Pin configuration SOT109-1 (SO16) and

SOT403-1 (TSSOP16)

Fig. 6. Pin configuration SOT763-1 (DHVQFN16)

5.2. Pin description

Table 2. Pin description

Symbol

1

Description

1A

negative-edge triggered input 1

positive-edge triggered input 1

direct reset LOW and positive-edge triggered input 1

active LOW output 1

1B

2

1RD

3

1Q

4

2Q

5

active HIGH output 2

2CEXT

6

external capacitor connection 2

external resistor and capacitor connection 2

ground (0 V)

2REXT/CEXT

7

GND

8

2A

9

negative-edge triggered input 2

positive-edge triggered input 2

direct reset LOW and positive-edge triggered input 2

active LOW output 2

2B

10

11

12

13

14

15

16

2RD

2Q

1Q

active HIGH output 1

1CEXT

1REXT/CEXT

V_CC

external capacitor connection 1

external resistor and capacitor connection 1

supply voltage

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74LV123

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Product data sheet

Rev. 10 — 14 July 202

4 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

6. Functional description

Table 3. Function table

H = HIGH voltage level; L = LOW voltage level; X = don’t care; ↑ = LOW-to-HIGH transition; ↓ = HIGH-to-LOW transition;

= one HIGH level output pulse;

Input

= one LOW level output pulse.

Output

nRD

L

nA

X

nB

X

nQ

L

nQ

H

X

H

X

L [1]

H [1]

X

L

H

L

↑

H

↑

↓

H

L

[1] If the monostable multivibrator was triggered before this condition was established, the pulse will continue as programmed.

7. Limiting values

Table 4. Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).

Symbol

V_CC

I_IK

Parameter

Conditions

Min

Max Unit

supply voltage

-0.5

+7

V

input clamping current

output clamping current

output current

V_I< -0.5 V or V_I> V_CC+ 0.5 V

V_O< -0.5 V or V_O> V_CC+ 0.5 V

[1]

-

±20

±50

±25

mA

I_OK

I_O

except for pins nREXT/CEXT;

V_O= -0.5 V to (V_CC+ 0.5 V)

I_CC

supply current

-

+50 mA

mA

I_GND

T_stg

P_tot

ground current

-50

-65

-

storage temperature

total power dissipation

+150 °C

500 mW

T_amb= -40 °C to +125 °C

[2]

[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.

[2] For SOT109-1 (SO16) package: P_totderates linearly with 12.4 mW/K above 110 °C.

For SOT403-1 (TSSOP16) package: P_totderates linearly with 8.5 mW/K above 91 °C.

For SOT763-1 (DHVQFN16) package: P_totderates linearly with 11.2 mW/K above 106 °C.

8. Recommended operating conditions

Table 5. Recommended operating conditions

Symbol Parameter

Conditions

Min

1.0

0

Typ

3.3

-

Max

Unit

V

V_CC

V_I

supply voltage

input voltage

[1]

5.5

V_CC

+125

V

V_O

output voltage

ambient temperature

0

-

V

T_amb

in free air

-40

+25

°C

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74LV123

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Product data sheet

Rev. 10 — 14 July 202

5 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

Symbol Parameter

Conditions

Min

Typ

Max

500

200

100

50

Unit

ns/V

Δt/ΔV

input transition rise and fall rate

V_CC= 1.0 V to 2.0 V

V_CC= 2.0 V to 2.7 V

V_CC= 2.7 V to 3.6 V

V_CC= 3.6 V to 5.5 V

[2]

-

[1] The 74LV123 is guaranteed to function down to V_CC= 1.0 V (input levels GND or V_CC); The "Static characteristics" Section 9 are

guaranteed from V_CC= 1.2 V to V_CC= 5.5 V.

[2] Except for Schmitt-trigger inputs nA and nB.

9. Static characteristics

Table 6. Static characteristics

At recommended operating conditions; voltages are referenced to GND (ground = 0 V).

Symbol Parameter

Conditions

Min

Typ[1]

Max Unit

T_amb= -40 °C to +85 °C

V_IH

HIGH-level input voltage V_CC= 1.2 V

V_CC= 2.0 V

0.9

-

V

1.4

-

V_CC= 2.7 V to 3.6 V

2.0

V_CC= 4.5 V to 5.5 V

V_CC= 1.2 V

0.7V_CC

-

V_IL

LOW-level input voltage

-

0.3

0.6

0.8

0.3V_CC

V_CC= 2.0 V

V_CC= 2.7 V to 3.6 V

V_CC= 4.5 V to 5.5 V

V_OH

HIGH-level output voltage V_I= V_IHor V_IL

l_O= -100 μA; V_CC= 1.2 V

-

1.2

2.0

-

V

l_O= -100 μA; V_CC= 2.0 V

l_O= -100 μA; V_CC= 2.7 V

l_O= -100 μA; V_CC= 3.0 V

l_O= -100 μA; V_CC= 4.5 V

l_O= -6 mA; V_CC= 3.0 V

l_O= -12 mA; V_CC= 4.5 V

1.8

2.5

2.8

4.3

2.40

3.60

2.7

3.0

4.5

2.82

4.20

V_OL

LOW-level output voltage V_I= V_IHor V_IL

I_O= 100 μA; V_CC= 1.2 V

I_O= 100 μA; V_CC= 2.0 V

I_O= 100 μA; V_CC= 2.7 V

I_O= 100 μA; V_CC= 3.0 V

I_O= 100 μA; V_CC= 4.5 V

I_O= 6 mA; V_CC= 3.0 V

-

0

-

V

0

0.2

0.40

0.55

1.0

V

0

V

0

V

0

0.25

0.35

-

V

I_O= 12 mA; V_CC= 4.5 V

V

I_I

input leakage current

supply current

V_I= V_CCor GND; V_CC= 5.5 V

V_I= V_CCor GND; I_O= 0 A; V_CC= 5.5 V

μA

I_CC

ΔI_CC

C_I

-

20.0 μA

additional supply current V_I= V_CC- 0.6 V; V_CC= 2.7 V to 3.6 V

input capacitance

-

500

-

μA

pF

3.5

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74LV123

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 14 July 202

6 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

Symbol Parameter

Conditions

Min

Typ[1]

Max Unit

T_amb= -40 °C to +125 °C

V_IH

HIGH-level input voltage V_CC= 1.2 V

V_CC= 2.0 V

0.9

-

V

1.4

-

V_CC= 2.7 V to 3.6 V

2.0

V_CC= 4.5 V to 5.5 V

V_CC= 1.2 V

0.7V_CC

-

V_IL

LOW-level input voltage

-

0.3

0.6

0.8

0.3V_CC

V_CC= 2.0 V

V_CC= 2.7 V to 3.6 V

V_CC= 4.5 V to 5.5 V

V_OH

HIGH-level output voltage V_I= V_IHor V_IL

l_O= -100 μA; V_CC= 1.2 V

-

V

l_O= -100 μA; V_CC= 2.0 V

l_O= -100 μA; V_CC= 2.7 V

l_O= -100 μA; V_CC= 3.0 V

l_O= -100 μA; V_CC= 4.5 V

l_O= -6 mA; V_CC= 3.0 V

l_O= -12 mA; V_CC= 4.5 V

1.8

2.5

2.8

4.3

2.2

3.5

V_OL

LOW-level output voltage V_I= V_IHor V_IL

I_O= 100 μA; V_CC= 1.2 V

I_O= 100 μA; V_CC= 2.0 V

I_O= 100 μA; V_CC= 2.7 V

I_O= 100 μA; V_CC= 3.0 V

I_O= 100 μA; V_CC= 4.5 V

I_O= 6 mA; V_CC= 3.0 V

-

V

0.2

0.5

0.65

1.0

160

850

V

I_O= 12 mA; V_CC= 4.5 V

V

I_I

input leakage current

supply current

V_I= V_CCor GND; V_CC= 5.5 V

V_I= V_CCor GND; I_O= 0 A; V_CC= 5.5 V

μA

I_CC

ΔI_CC

additional supply current V_I= V_CC- 0.6 V; V_CC= 2.7 V to 3.6 V

[1] All typical values are measured at T_amb= 25 °C.

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74LV123

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 14 July 202

7 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

10. Dynamic characteristics

Table 7. Dynamic characteristics

GND = 0 V; t_r= t_f≤ 2.5 ns; for test circuit see Fig. 8.

Symbol Parameter

Conditions

-40 °C to +85 °C

-40 °C to +125 °C Unit

Min

Typ[1]

Max

Min

Max

Propagation delay; see Fig. 7

t_pd

propagation

delay

nRD, nA and nB to nQ

V_CC= 1.2 V

[2]

-

120

40

30

25

18

-

ns

V_CC= 2.0 V

76

56

48

40

92

68

57

46

V_CC= 2.7 V

V_CC= 3.0 V to 3.6 V

V_CC= 4.5 V to 5.5 V

nRD to nQ (reset)

V_CC= 1.2 V

[2]

-

100

30

23

20

14

-

ns

V_CC= 2.0 V

57

43

38

31

68

51

45

36

V_CC= 2.7 V

V_CC= 3.0 V to 3.6 V

V_CC= 4.5 V to 5.5 V

Inputs nA, nB and nRD; see Fig. 7

t_W

pulse width

nA = LOW

V_CC= 2.0 V

30

25

20

15

5

-

40

30

25

20

-

ns

V_CC= 2.7 V

3.5

3.0

2.5

V_CC= 3.0 V to 3.6 V

V_CC= 4.5 V to 5.5 V

nB = HIGH

V_CC= 2.0 V

30

25

20

15

13

8

-

40

30

25

20

-

ns

V_CC= 2.7 V

V_CC= 3.0 V to 3.6 V

V_CC= 4.5 V to 5.5 V

nRD = LOW; see Fig. 13

V_CC= 2.0 V

7

5

35

30

25

20

6

5

4

3

-

45

40

30

25

-

ns

V_CC= 2.7 V

V_CC= 3.0 V to 3.6 V

V_CC= 4.5 V to 5.5 V

nB to nA; see Fig. 12

V_CC= 2.0 V

t_rtrig

retrigger time

-

70

55

45

40

-

ns

V_CC= 2.7 V

V_CC= 3.0 V to 3.6 V

V_CC= 4.5 V to 5.5 V

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74LV123

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 14 July 202

8 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

Symbol Parameter

Conditions

-40 °C to +85 °C

-40 °C to +125 °C Unit

Min

Typ[1]

Max

Min

Max

Outputs; nQ = LOW and nQ = HIGH, see Fig. 7

t_W

pulse width

C_EXT= 100 nF; R_EXT= 10 kΩ

V_{CC = 2.0 V}

-

470

460

450

430

-

µs

V_CC= 2.7 V

V_CC= 3.0 V to 3.6 V

V_CC= 4.5 V to 5.5 V

C_EXT= 0 pF; R_EXT= 5 kΩ

V_CC= 2.0 V

-

100

90

-

ns

V_CC= 2.7 V

V_CC= 3.0 V to 3.6 V

V_CC= 4.5 V to 5.5 V

80

70

External components

R_EXT

external

see Fig. 11

[3]

resistance

V_CC= 1.2 V

10

5

-

1000

-

kΩ

V_CC= 2.0 V

V_CC= 2.7 V

3

V_CC= 3.0 V to 3.6 V

V_CC= 4.5 V to 5.5 V

see Fig. 11

2

C_EXT

external

[3] [4]

capacitance

V_CC= 1.2 V

-

pF

V_CC= 2.0 V

V_CC= 2.7 V

V_CC= 3.0 V to 3.6 V

V_CC= 4.5 V to 5.5 V

Dynamic power dissipation

C_PD

power dissipation V_CC= 3.3 V; V_I= GND to V_CC

capacitance

[5]

-

60

-

pF

[1] All typical values are measured at T_amb= 25 °C and nominal supply values (V_CC= 3.3 V and 5.0 V).

[2] t_pdis the same as t_PLHand t_PHL; C_EXT= 0 pF; R_EXT= 5 kΩ.

[3] For other R_EXTand C_EXTcombinations see Fig. 11 and Section 11.1.1.

[4] C_EXThas no limits.

[5] C_PDis used to determine the dynamic power dissipation (P_Din μW).

P_D= C_PDx V_CC²x f_ix N + Σ(C_Lx V_CC²× f_o) where:

f_i= input frequency in MHz;

f_o= output frequency in MHz;

C_L= output load capacitance in pF;

V_CC= supply voltage in V;

N = number of inputs switching;

Σ(C_Lx V_CC²x f_o) = sum of the outputs.

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74LV123

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 14 July 202

9 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

10.1. Waveforms and test circuit

V

nB input

M

(nA LOW)

t

W

V

M

nA input

(nB HIGH)

t

RESET

V

W

nRD input

nQ output

M

t

W

PLH

V

M

t

PHL

PLH

t

W

nQ output

V

M

t

PLH

PHL

001aae528

Measurement points are given in Table 8.

Fig. 7. Propagation delays from inputs (nA, nB, nRD) to outputs (nQ, nQ)

Table 8. Measurement points

V_CC

V_M

≥ 2.7 V

< 2.7 V

1.5 V

0.5 × V_CC

V

CC

V

O

I

PULSE

GENERATOR

DUT

C

50 pF

R

L

1 kΩ

L

R

T

001aae533

Test data is given in Table 9.

Definitions for test circuit:

R_L= Load resistance.

C_L= Load capacitance including jig and probe capacitance.

R_T= Termination resistance should be equal to Z_oof the pulse generator.

Fig. 8. Test circuit for measuring switching times

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74LV123

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Product data sheet

Rev. 10 — 14 July 202

10 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

Table 9. Test data

Supply voltage

Input

V_I

Load

C_L

Test

V_CC

t_r, t_f

R_L

< 2.7 V

V_CC

2.7 V

V_CC

≤ 2.5 ns

50 pF

1 kΩ

t_PHL, t_PLH

2.7 V to 3.6 V

≥ 4.5 V

11. Application information

11.1. Timing components

11.1.1. Basic timing

The basic output pulse width is essentially determined by the values of the external timing

components R_EXTand C_EXT

.

C

EXT

R

EXT

(1)

V

CC

GND

8

nCEXT

14 (6)

nREXT/CEXT

15 (7)

13 (5)

74LV123

nQ

1 (9)

nA

nB

2 (10)

4 (12)

nQ

3 (11)

nRD

001aae525

(1) For minimum noise generation it is recommended to ground pin 6 (2CEXT) and

pin 14 (1CEXT) externally to pin 8 (GND).

Fig. 9. Timing components connections

If C_EXT> 10 nF, the following formula is valid: t_W= K x R_EXTx C_EXT(typical) where:

•

t_W= output pulse width in ns

R_EXT= external resistor in kΩ

C_EXT= external capacitor in pF

K = constant: this is 0.45 for V_CC= 5.0 V and 0.48 for V_CC= 2.0 V (see Fig. 10)

The inherent test jig and pin capacitance at pin 15 and pin 7 (nREXT/CEXT) is approximately 7 pF.

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74LV123

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 14 July 202

11 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

001aae530

6

10

001aae529

t

0.8

W

(ns)

'K'

5

10

R

EXT

= 100 kΩ

50 kΩ

10 kΩ

2 kΩ

factor

0.6

0.4

0.2

4

3

2

0

2

3

4

1

10

0

C

ext

(pF)

2

4

6

V

(V)

CC

V_CC= 3.3 V and T_amb= 25 °C

C_EXT= 10 nF; R_EXT= 10 kΩ to 100 kΩ

Fig. 11. Typical output pulse width as a function of the

external capacitance values

Fig. 10. Typical ‘K’ factor as a function of V_CC

11.1.2. Retrigger timing

The time to retrigger the monostable multivibrator depends on the values of R_EXTand C_EXT. The

output pulse width will only be extended when the time between the active going edges of the

trigger pulses meets the minimum retrigger time. If C_EXT> 10 pF, the next formula for the set-up

time of a retrigger pulse is valid:

at V_CC= 5.0 V: t_rtrig= 30 + 0.19R_EXTx C_EXT^0.9+ 13 x R_EXT^1.05(typical)

at V_CC= 3.0 V: t_rtrig= 41 + 0.15R_EXTx C_EXT^0.9x 1 x R_EXT(typical)

where:

•

t_rtrig= retrigger time in ns

C_EXT= external capacitor in pF

R_EXT= external resistor in kΩ

nB input

nA input

t

W

t

rtrig

t

W

nQ output

t

W

001aae526

W

nRD = HIGH

Fig. 12. Output pulse control using retrigger pulse nA

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74LV123

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Product data sheet

Rev. 10 — 14 July 202

12 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

11.1.3. Reset timing

nB input

nRD input

nQ output

t

W

001aae527

nA = LOW

Fig. 13. Output pulse control using reset input nRD

11.2. Power considerations

11.2.1. Power-up

When the monostable multivibrator is powered-up, it may produce an output pulse with a pulse

width defined by the values of R_EXTand C_EXT. This output pulse can be eliminated using the RC

circuit on pin nRD shown in Fig. 14.

11.2.2. Power-down

A large capacitor (C_EXT) may cause problems when powering-down the monostable due to the

energy stored in this capacitor. When a system containing this device is powered-down or a

rapid decrease of V_CCto zero occurs, the monostable may sustain damage, due to the capacitor

discharging through the input protection diodes. To avoid this possibility, connect a damping diode

D_EXT(preferably a germanium or Schottky type diode) able to withstand large current surges. See

Fig. 14.

D

EXT

C

EXT

R

V

CC

GND

8

nCEXT

14 (6)

nREXT/CEXT

15 (7)

13 (5)

74LV123

nQ

1 (9)

nA

nB

2 (10)

4 (12)

nQ

3 (11)

nRD

V

RESET

CC

001aae532

Fig. 14. Power-up and power-down circuit

©

74LV123

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 14 July 202

13 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

12. Package outline

SO16: plastic small outline package; 16 leads; body width 3.9 mm

SOT109-1

D

E

A

X

v

c

y

H

M

A

E

Z

16

9

Q

A

2

A

(A )

3

A

1

pin 1 index

θ

L

p

L

1

8

e

w

M

detail X

b

p

0

2.5

scale

5 mm

DIMENSIONS (inch dimensions are derived from the original mm dimensions)

A

(1)

UNIT

A

b

c

D

E

e

H

E

L

p

Q

v

w

y

Z

θ

1

2

3

p

max.

0.25

0.10

1.45

1.25

0.49

0.36

0.25

0.19

10.0

9.8

4.0

3.8

6.2

5.8

1.0

0.4

0.7

0.6

0.7

0.3

mm

1.27

0.05

1.05

0.041

1.75

0.25

0.01

0.25

0.1

0.25

0.01

8^o

0^o

0.0100

0.0075

0.010 0.057

0.004 0.049

0.019

0.014

0.39

0.38

0.16

0.15

0.244

0.228

0.039 0.028

0.016 0.020

0.028

0.012

inches

0.069

0.01 0.004

Note

1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.

REFERENCES

OUTLINE

EUROPEAN

PROJECTION

ISSUE DATE

VERSION

IEC

JEDEC

JEITA

99-12-27

03-02-19

SOT109-1

076E07

MS-012

Fig. 15. Package outline SOT109-1 (SO16)

©

74LV123

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 14 July 202

14 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

TSSOP16: plastic thin shrink small outline package; 16 leads; body width 4.4 mm

SOT403-1

D

E

A

X

c

y

H

v

M

A

E

Z

9

16

Q

(A )

3

A

2

A

1

pin 1 index

θ

L

p

L

1

8

detail X

w

M

b

p

e

0

2.5

5 mm

scale

DIMENSIONS (mm are the original dimensions)

A

(1)

(2)

(1)

UNIT

A

b

c

D

E

e

H

L

Q

v

w

y

Z

θ

1

2

3

p

E

p

max.

8^o

0^o

0.15

0.05

0.95

0.80

0.30

0.19

0.2

0.1

5.1

4.9

4.5

4.3

6.6

6.2

0.75

0.50

0.4

0.3

0.40

0.06

mm

1.1

0.65

1

0.2

0.13

0.1

0.25

Notes

1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.

2. Plastic interlead protrusions of 0.25 mm maximum per side are not included.

REFERENCES

OUTLINE

EUROPEAN

PROJECTION

ISSUE DATE

VERSION

IEC

JEDEC

JEITA

99-12-27

03-02-18

SOT403-1

MO-153

Fig. 16. Package outline SOT403-1 (TSSOP16)

©

74LV123

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 14 July 202

15 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

DHVQFN16: plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads;

16 terminals; body 2.5 x 3.5 x 0.85 mm

SOT763-1

B

A

D

A

1

E

c

detail X

terminal 1

index area

C

terminal 1

index area

e

1

y

e

b

v

M

C

A

B

C

1

w

M

2

7

L

1

8

9

E

h

e

16

15

10

D

h

X

0

2.5

scale

5 mm

DIMENSIONS (mm are the original dimensions)

(1)

A

(1)

UNIT

A

1

b

c

E

h

e

y

D

E

L

v

w

y

1

h

max.

0.05 0.30

0.00 0.18

3.6

3.4

2.15

1.85

2.6

2.4

1.15

0.85

0.5

0.3

mm

0.05

0.1

1

0.2

0.5

2.5

0.1

0.05

Note

1. Plastic or metal protrusions of 0.075 mm maximum per side are not included.

REFERENCES

OUTLINE

EUROPEAN

PROJECTION

ISSUE DATE

VERSION

IEC

JEDEC

JEITA

02-10-17

03-01-27

SOT763-1

- - -

MO-241

- - -

Fig. 17. Package outline SOT763-1 (DHVQFN16)

©

74LV123

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 14 July 202

16 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

13. Abbreviations

Table 10. Abbreviations

Acronym

CMOS

DUT

Description

Complementary Metal Oxide Semiconductor

Device Under Test

14. Revision history

Table 11. Revision history

Document ID

Release date Data sheet status

Change notice Supersedes

74LV123 v.10

Modifications:

20230714

Product data sheet

-

74LV123 v.9

•

Section 10 updated (Errata).

74LV123 v.9

20210913

Product data sheet

-

74LV123 v.8

Modifications:

•

The format of this data sheet has been redesigned to comply with the identity

guidelines of Nexperia.

•

Legal texts have been adapted to the new company name where appropriate.

Type number 74LV123DB (SOT338-1/SSOP16) removed.

Section 1 and Section 2 updated.

Section 7: Derating values for P_tottotal power dissipation have been updated.

74LV123 v.8

20160304

Product data sheet

-

74LV123 v.7

74LV123 v.6

Modifications:

•

Type numbers 74LV123N (SOT38-4) removed.

74LV123 v.7

20111212

Product data sheet

-

Modifications:

•

Legal pages updated.

74LV123 v.6

74LV123 v.5

74LV123 v.4

74LV123 v.3

74LV123 v.2

74LV123 v.1

20110826

20071108

20070919

20030313

19980420

19970204

Product data sheet

Product specification

-

74LV123 v.5

74LV123 v.4

74LV123 v.3

74LV123 v.2

74LV123 v.1

-

©

74LV123

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 14 July 202

17 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

injury, death or severe property or environmental damage. Nexperia and its

suppliers accept no liability for inclusion and/or use of Nexperia products in

such equipment or applications and therefore such inclusion and/or use is at

the customer’s own risk.

15. Legal information

Quick reference data — The Quick reference data is an extract of the

product data given in the Limiting values and Characteristics sections of this

document, and as such is not complete, exhaustive or legally binding.

Data sheet status

Document status Product

Definition

Applications — Applications that are described herein for any of these

products are for illustrative purposes only. Nexperia makes no representation

or warranty that such applications will be suitable for the specified use

without further testing or modification.

[1][2]

status [3]

Objective [short]

data sheet

Development

This document contains data from

the objective specification for

product development.

Customers are responsible for the design and operation of their applications

and products using Nexperia products, and Nexperia accepts no liability for

any assistance with applications or customer product design. It is customer’s

sole responsibility to determine whether the Nexperia product is suitable

and fit for the customer’s applications and products planned, as well as

for the planned application and use of customer’s third party customer(s).

Customers should provide appropriate design and operating safeguards to

minimize the risks associated with their applications and products.

Preliminary [short]

data sheet

Qualification

Production

This document contains data from

the preliminary specification.

Product [short]

data sheet

This document contains the product

specification.

[1] Please consult the most recently issued document before initiating or

completing a design.

Nexperia does not accept any liability related to any default, damage, costs

or problem which is based on any weakness or default in the customer’s

applications or products, or the application or use by customer’s third party

customer(s). Customer is responsible for doing all necessary testing for the

customer’s applications and products using Nexperia products in order to

avoid a default of the applications and the products or of the application or

use by customer’s third party customer(s). Nexperia does not accept any

liability in this respect.

[2] The term 'short data sheet' is explained in section "Definitions".

[3] The product status of device(s) described in this document may have

changed since this document was published and may differ in case of

multiple devices. The latest product status information is available on

the internet at https://www.nexperia.com.

Definitions

Limiting values — Stress above one or more limiting values (as defined in

the Absolute Maximum Ratings System of IEC 60134) will cause permanent

damage to the device. Limiting values are stress ratings only and (proper)

operation of the device at these or any other conditions above those

given in the Recommended operating conditions section (if present) or the

Characteristics sections of this document is not warranted. Constant or

repeated exposure to limiting values will permanently and irreversibly affect

the quality and reliability of the device.

Draft — The document is a draft version only. The content is still under

internal review and subject to formal approval, which may result in

modifications or additions. Nexperia does not give any representations or

warranties as to the accuracy or completeness of information included herein

and shall have no liability for the consequences of use of such information.

Short data sheet — A short data sheet is an extract from a full data sheet

with the same product type number(s) and title. A short data sheet is

intended for quick reference only and should not be relied upon to contain

detailed and full information. For detailed and full information see the relevant

full data sheet, which is available on request via the local Nexperia sales

office. In case of any inconsistency or conflict with the short data sheet, the

full data sheet shall prevail.

Terms and conditions of commercial sale — Nexperia products are

sold subject to the general terms and conditions of commercial sale, as

published at http://www.nexperia.com/profile/terms, unless otherwise agreed

in a valid written individual agreement. In case an individual agreement is

concluded only the terms and conditions of the respective agreement shall

apply. Nexperia hereby expressly objects to applying the customer’s general

terms and conditions with regard to the purchase of Nexperia products by

customer.

Product specification — The information and data provided in a Product

data sheet shall define the specification of the product as agreed between

Nexperia and its customer, unless Nexperia and customer have explicitly

agreed otherwise in writing. In no event however, shall an agreement be

valid in which the Nexperia product is deemed to offer functions and qualities

beyond those described in the Product data sheet.

No offer to sell or license — Nothing in this document may be interpreted

or construed as an offer to sell products that is open for acceptance or the

grant, conveyance or implication of any license under any copyrights, patents

or other industrial or intellectual property rights.

Export control — This document as well as the item(s) described herein

may be subject to export control regulations. Export might require a prior

authorization from competent authorities.

Disclaimers

Limited warranty and liability — Information in this document is believed

to be accurate and reliable. However, Nexperia does not give any

representations or warranties, expressed or implied, as to the accuracy

or completeness of such information and shall have no liability for the

consequences of use of such information. Nexperia takes no responsibility

for the content in this document if provided by an information source outside

of Nexperia.

Non-automotive qualified products — Unless this data sheet expressly

states that this specific Nexperia product is automotive qualified, the

product is not suitable for automotive use. It is neither qualified nor tested in

accordance with automotive testing or application requirements. Nexperia

accepts no liability for inclusion and/or use of non-automotive qualified

products in automotive equipment or applications.

In no event shall Nexperia be liable for any indirect, incidental, punitive,

special or consequential damages (including - without limitation - lost

profits, lost savings, business interruption, costs related to the removal

or replacement of any products or rework charges) whether or not such

damages are based on tort (including negligence), warranty, breach of

contract or any other legal theory.

In the event that customer uses the product for design-in and use in

automotive applications to automotive specifications and standards,

customer (a) shall use the product without Nexperia’s warranty of the

product for such automotive applications, use and specifications, and (b)

whenever customer uses the product for automotive applications beyond

Nexperia’s specifications such use shall be solely at customer’s own risk,

and (c) customer fully indemnifies Nexperia for any liability, damages or failed

product claims resulting from customer design and use of the product for

automotive applications beyond Nexperia’s standard warranty and Nexperia’s

product specifications.

Notwithstanding any damages that customer might incur for any reason

whatsoever, Nexperia’s aggregate and cumulative liability towards customer

for the products described herein shall be limited in accordance with the

Terms and conditions of commercial sale of Nexperia.

Translations — A non-English (translated) version of a document is for

reference only. The English version shall prevail in case of any discrepancy

between the translated and English versions.

Right to make changes — Nexperia reserves the right to make changes

to information published in this document, including without limitation

specifications and product descriptions, at any time and without notice. This

document supersedes and replaces all information supplied prior to the

publication hereof.

Trademarks

Suitability for use — Nexperia products are not designed, authorized or

warranted to be suitable for use in life support, life-critical or safety-critical

systems or equipment, nor in applications where failure or malfunction

of an Nexperia product can reasonably be expected to result in personal

Notice: All referenced brands, product names, service names and

trademarks are the property of their respective owners.

©

74LV123

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 14 July 202

18 / 19

Nexperia

74LV123

Dual retriggerable monostable multivibrator with reset

Contents

1. General description......................................................1

2. Features and benefits.................................................. 1

3. Ordering information....................................................1

4. Functional diagram.......................................................2

5. Pinning information......................................................4

5.1. Pinning.........................................................................4

5.2. Pin description.............................................................4

6. Functional description................................................. 5

7. Limiting values............................................................. 5

8. Recommended operating conditions..........................5

9. Static characteristics....................................................6

10. Dynamic characteristics............................................ 8

10.1. Waveforms and test circuit...................................... 10

11. Application information............................................11

11.1. Timing components..................................................11

11.1.1. Basic timing.......................................................... 11

11.1.2. Retrigger timing.....................................................12

11.1.3. Reset timing..........................................................13

11.2. Power considerations...............................................13

11.2.1. Power-up...............................................................13

11.2.2. Power-down.......................................................... 13

12. Package outline........................................................ 14

13. Abbreviations............................................................17

14. Revision history........................................................17

15. Legal information......................................................18

For more information, please visit: http://www.nexperia.com

For sales office addresses, please send an email to: salesaddresses@nexperia.com

Date of release: 14 July 202

©

74LV123

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 14 July 202

19 / 19


型号：	74LV123PW
厂家：	Nexperia
描述：	Dual retriggerable monostable multivibrator with resetProduction 时钟光电二极管逻辑集成电路
文件：	总19页 (文件大小：307K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

74LV123PW [NEXPERIA]

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