TC74LVX273F_07 [TOSHIBA]
Octal D-Type Flip-Flop with Clear; 八路D型触发器清晰
| 型号： | TC74LVX273F_07 |
| 厂家： | 
TOSHIBA |
| 描述： | Octal D-Type Flip-Flop with Clear |
| 文件： | 总9页 (文件大小：212K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TC74LVX273F/FT
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74LVX273F,TC74LVX273FT
Octal D-Type Flip-Flop with Clear
TC74LVX273F
The TC74LVX273F/ FT is a high-speed CMOS octal D-flip flop
fabricated with silicon gate CMOS technology. Designed for use
in 3-V systems, it achieves high-speed operation while
maintaining the CMOS low power dissipation.
This device is suitable for low-voltage and battery operated
systems.
Information signals applied to D inputs are transferred to the
Q outputs on the positive going edge of the clock pulse.
When the CLR input is held low, the Q outputs are in the low
logic level independent of the other inputs.
TC74LVX273FT
An input protection circuit ensures that 0 to 5.5V can be
applied to the input pins without regard to the supply voltage.
This device can be used to interface 5V to 3V systems and two
supply systems such as battery back up. This circuit prevents
device destruction due to mismatched supply and input voltages.
Features
•
•
•
High-speed: f
= 150 MHz (typ.) (V
= 3 V)
max
CC
Low power dissipation: I
= 4 μA (max) (Ta = 25°C)
CC
Weight
SOP20-P-300-1.27A
TSSOP20-P-0044-0.65A
: 0.22 g (typ.)
: 0.08 g (typ.)
Input voltage level: V = 0.8 V (max) (V
= 3 V)
= 3 V)
IL
CC
CC
V
IH
= 2.0 V (min) (V
•
•
•
•
Power-down protection provided on all inputs
∼
−
Balanced propagation delays: t
t
pHL
pLH
Low niose: V
= 0.8 V (max)
OLP
Pin and function compatible with 74HC273
1
2007-10-17
TC74LVX273F/FT
Pin Assignment (top view)
IEC Logic Symbol
(1)
CLR
CK
R
CLR
Q1
D1
D2
Q2
Q3
D3
D4
Q4
1
2
3
4
5
6
7
8
9
20
V
CC
(11)
C1
19 Q8
18 D8
17 D7
16 Q7
15 Q6
14 D6
13 D5
12 Q5
11 CK
(3)
(4)
(2)
Q1
(5)
D1
D2
D3
D4
D5
D6
D7
D8
1D
Q2
(6)
(7)
Q3
(9)
(8)
Q4
(12)
Q5
(15)
Q6
(16)
Q7
(19)
Q8
(13)
(14)
(17)
(18)
GND 10
Truth Table
Inputs
Outputs
Function
CLR
L
D
X
L
CK
X
Q
L
Clear
⎯
H
L
H
H
X
H
⎯
H
Qn
No change
X: Don’t care
System Diagram
D1
D2
D3
D4
D5
13
D6
14
D7
17
D8
18
3
4
7
8
1
CLR
R
R
R
R
R
R
R
R
D
D
D
D
D
D
D
D
CK
Q
CK
Q
CK
Q
CK
Q
CK
Q
CK
Q
CK
Q
CK
Q
11
CK
2
5
6
9
12
Q5
15
Q6
16
Q7
19
Q8
Q1
Q2
Q3
Q4
2
2007-10-17
TC74LVX273F/FT
Absolute Maximum Ratings (Note)
Characteristics
Supply voltage range
Symbol
Rating
Unit
V
−0.5 to 7.0
−0.5 to 7.0
V
V
CC
DC input voltage
V
IN
DC output voltage
Input diode current
Output diode current
DC output current
V
−0.5 to V
CC
+ 0.5
V
OUT
I
−20
mA
mA
mA
mA
mW
°C
IK
I
±20
±25
OK
I
OUT
DC V /ground current
CC
I
±75
CC
Power dissipation
P
180
D
Storage temperature
T
−65 to 150
stg
Note: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or even
destruction.
Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the
significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even
if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum
ratings and the operating ranges.
Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook
(“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test
report and estimated failure rate, etc).
Operating Ranges (Note)
Characteristics
Supply voltage
Symbol
Rating
Unit
V
2.0 to 3.6
0 to 5.5
V
V
CC
Input voltage
V
IN
Output voltage
V
OUT
0 to V
CC
V
Operating temperature
Input rise and fall time
T
−40 to 85
°C
ns/V
opr
dt/dv
0 to 100
Note: The operating ranges must be maintained to ensure the normal operation of the device.
Unused inputs must be tied to either VCC or GND.
3
2007-10-17
TC74LVX273F/FT
Electrical Characteristics
DC Characteristics
Ta = −40 to
Ta = 25°C
Sym-
bol
85°C
Characteristics
Test Condition
Unit
V
CC
(V)
Min
1.5
2.0
2.4
⎯
Typ.
⎯
⎯
⎯
⎯
⎯
⎯
2.0
3.0
⎯
0
Max
⎯
Min
1.5
2.0
2.4
⎯
Max
2.0
⎯
⎯
H-level
V
IH
⎯
3.0
3.6
2.0
3.0
3.6
2.0
3.0
3.0
2.0
3.0
3.0
3.6
3.6
⎯
⎯
⎯
Input voltage
V
0.5
0.8
0.8
⎯
0.5
0.8
0.8
⎯
L-level
H-level
L-level
V
⎯
⎯
⎯
IL
⎯
⎯
I
I
I
I
I
I
= −50 μA
= −50 μA
= −4 mA
= 50 μA
= 50 μA
= 4 mA
1.9
2.9
2.58
⎯
1.9
2.9
2.48
⎯
OH
OH
OH
OL
OL
OL
V
= V
IL
IN
or V
IH
V
OH
⎯
⎯
⎯
⎯
Output voltage
V
0.1
0.1
0.36
±0.1
4.0
0.1
0.1
0.44
±1.0
40.0
V
IN
or V
= V
IH
V
⎯
0
⎯
OL
IL
⎯
⎯
⎯
⎯
⎯
Input leakage current
I
V
V
= 5.5 V or GND
⎯
⎯
μA
μA
IN
IN
Quiescent supply current
I
= V
CC
or GND
⎯
⎯
CC
IN
Timing Requirements (input: t = t = 3 ns)
r
f
Ta = −40 to
Ta = 25°C
85°C
Characteristics
Symbol
Test Condition
Unit
V
(V)
Limit
8.0
5.5
7.5
5.0
8.0
5.5
1.0
1.0
4.0
2.5
Limit
9.5
6.5
8.5
6.0
9.5
6.5
1.0
1.0
4.0
2.5
CC
Minimum pulse width
(CK)
t
W (L)
2.7
⎯
⎯
⎯
⎯
⎯
ns
ns
ns
ns
ns
t
3.3 ± 0.3
2.7
W (H)
Minimum pulse width
( CLR )
t
W (L)
3.3 ± 0.3
2.7
Minimum set-up time
Minimum hold time
t
s
3.3 ± 0.3
2.7
t
h
3.3 ± 0.3
2.7
Minimum removal time
( CLR )
t
rem
3.3 ± 0.3
4
2007-10-17
TC74LVX273F/FT
AC Characteristics (input: t = t = 3 ns)
r
f
Ta = −40 to
Ta = 25°C
85°C
Characteristics
Symbol Test Condition
Unit
ns
V
(V)
C
(pF)
Min
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
55
45
95
60
⎯
⎯
⎯
⎯
Typ.
9.0
11.5
7.1
9.6
9.3
11.8
7.3
9.8
110
60
Max
16.9
20.4
11.0
14.5
17.6
21.1
11.5
15.0
⎯
Min
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
45
Max
CC
L
15
20.5
24.0
13.0
16.5
20.5
24.0
13.5
17.0
⎯
t
t
2.7
pLH
Propagation delay time
(CK-Q)
50
15
50
15
50
15
50
15
50
15
50
50
50
⎯
⎯
⎯
3.3 ± 0.3
2.7
pHL
Propagation delay time
( CLR -Q)
t
ns
pHL
3.3 ± 0.3
2.7
⎯
40
⎯
Maximum clock frequency
Output to output skew
f
MHz
ns
max
150
90
⎯
80
⎯
3.3 ± 0.3
⎯
50
⎯
t
t
2.7
⎯
1.5
⎯
1.5
1.5
10
osLH
(Note 1)
3.3 ± 0.3
⎯
1.5
⎯
osHL
Input capacitance
C
IN
(Note 2)
(Note 3)
4
10
⎯
pF
pF
Power dissipation capacitance
C
31
⎯
⎯
⎯
PD
Note 1: Parameter guaranteed by design.
(t = |t − t |, t = |t
− t |)
pHLn
osLH
pLHm
pLHn osHL
Note 2: Parameter guaranteed by design.
Note 3: is defined as the value of the internal equivalent capacitance which is calculated from the operating
pHLm
C
PD
current consumption.
Average operating current can be obtained by the equation:
I
= C ･V ･f + I /8 (per F/F)
PD CC IN CC
CC (opr)
And the total C when n pcs. of F/F operate can be gained by the following equation:
PD
(total) = 22 + 9･n
C
PD
5
2007-10-17
TC74LVX273F/FT
Noise Characteristics (Ta = 25°C, input: t = t = 3 ns, C = 50 pF)
r
f
L
Limit
Characteristics
Symbol
Test Condition
Typ.
Unit
V
CC
(V)
Quiet output maximum dynamic V
V
V
⎯
⎯
⎯
⎯
3.3
0.5
−0.5
⎯
0.8
−0.8
2.0
V
V
V
V
OL
OLP
Quiet output minimum dynamic V
3.3
3.3
3.3
OL
OLV
Minimum high level dynamic input voltage V
V
IHD
IH
Maximum low level dynamic input voltage V
V
⎯
0.8
IL
ILD
Input Equivalent Circuit
INPUT
6
2007-10-17
TC74LVX273F/FT
Package Dimensions
Weight: 0.22 g (typ.)
7
2007-10-17
TC74LVX273F/FT
Package Dimensions
Weight: 0.08 g (typ.)
8
2007-10-17
TC74LVX273F/FT
RESTRICTIONS ON PRODUCT USE
20070701-EN GENERAL
• The information contained herein is subject to change without notice.
• TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of
safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of
such TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as
set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and
conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability
Handbook” etc.
• The TOSHIBA products listed in this document are intended for usage in general electronics applications
(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
etc.).These TOSHIBA products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or
bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or
spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,
medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in his
document shall be made at the customer’s own risk.
• The products described in this document shall not be used or embedded to any downstream products of which
manufacture, use and/or sale are prohibited under any applicable laws and regulations.
• The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which
may result from its use. No license is granted by implication or otherwise under any patents or other rights of
TOSHIBA or the third parties.
• Please contact your sales representative for product-by-product details in this document regarding RoHS
compatibility. Please use these products in this document in compliance with all applicable laws and regulations
that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses
occurring as a result of noncompliance with applicable laws and regulations.
9
2007-10-17
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