SN74AS374DWRG4 [TI]
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS; 八D型边沿触发触发器具有三态输出
| 型号： | SN74AS374DWRG4 |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS |
| 文件： | 总21页 (文件大小：602K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999
SN54ALS374A, SN54AS374 . . . J PACKAGE
SN74ALS374A, SN74AS374 . . . DW OR N PACKAGE
(TOP VIEW)
D-Type Flip-Flops in a Single Package With
3-State Bus Driving True Outputs
Full Parallel Access for Loading
Buffered Control Inputs
OE
1Q
1D
2D
2Q
3Q
3D
4D
4Q
V
CC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
8Q
8D
7D
7Q
6Q
6D
Package Options Include Plastic
Small-Outline (DW) Packages, Ceramic
Chip Carriers (FK), and Standard Plastic (N)
and Ceramic (J) DIPs
description
13 5D
12 5Q
These octal D-type edge-triggered flip-flops
feature 3-state outputs designed specifically for
11
GND
CLK
driving
highly
capacitive
or
relatively
low-impedance loads. They are particularly
suitable for implementing buffer registers, I/O
ports, bidirectional bus drivers, and working
registers.
SN54ALS374A, SN54AS374 . . . FK PACKAGE
(TOP VIEW)
On the positive transition of the clock (CLK) input,
the Q outputs are set to the logic levels set up at
the data (D) inputs.
3
2
1
20 19
18
8D
7D
7Q
6Q
6D
2D
2Q
3Q
3D
4D
4
5
6
7
8
17
16
15
14
A buffered output-enable (OE) input places the
eight outputs in either a normal logic state (high or
low logic levels) or the high-impedance state. In
the high-impedance state, the outputs neither
load nor drive the bus lines significantly. The
high-impedance state and the increased drive
provide the capability to drive bus lines without
interface or pullup components.
9 10 11 12 13
OE does not affect internal operations of the flip-flops. Old data can be retained or new data can be entered
while the outputs are in the high-impedance state.
The SN54ALS374A and SN54AS374 are characterized for operation over the full military temperature range
of –55°C to 125°C. The SN74ALS374A and SN74AS374 are characterized for operation from 0°C to 70°C.
FUNCTION TABLE
(each flip-flop)
INPUTS
OUTPUT
Q
OE
L
CLK
D
H
L
↑
↑
H
L
L
L
H or L
X
X
X
Q
0
H
Z
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 1999, Texas Instruments Incorporated
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999
†
logic symbol
logic diagram (positive logic)
1
OE
1
OE
EN
C1
11
11
CLK
CLK
C1
1D
2
1Q
3
3
1D
4
2
5
1D
1D
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
2D
7
6
3D
8
9
4D
13
To Seven Other Channels
12
15
16
19
5D
14
6D
17
7D
18
8D
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and
IEC Publication 617-12.
‡
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V
CC
Input voltage range, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V
I
Voltage applied to a disabled 3-state output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 5.5 V
Package thermal impedance, θ (see Note 1): DW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58°C/W
JA
N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69°C/W
Storage temperature range, T
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
stg
‡
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: The package thermal impedance is calculated in accordance with JESD 51.
recommended operating conditions
SN54ALS374A
SN74ALS374A
MIN NOM MAX
UNIT
MIN NOM
MAX
V
V
V
Supply voltage
4.5
2
5
5.5
4.5
2
5
5.5
V
V
CC
High-level input voltage
Low-level input voltage
High-level output current
Low-level output current
Operating free-air temperature
IH
0.7
–1
0.8
–2.6
24
V
IL
I
I
mA
mA
°C
OH
12
OL
T
A
–55
125
0
70
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
SN54ALS374A
SN74ALS374A
PARAMETER
TEST CONDITIONS
UNIT
†
TYP
†
TYP
MIN
MAX
MIN
MAX
V
V
V
= 4.5 V,
I = –18 mA
–1.5
–1.5
V
IK
CC
I
= 4.5 V to 5.5 V,
I
I
I
I
I
= –0.4 mA
= –1 mA
= –2.6 mA
= 12 mA
= 24 mA
= 2.7 V
V
–2
V
CC
–2
CC
OH
OH
OH
OL
OL
CC
2.4
V
OH
3.3
V
V
= 4.5 V
= 4.5 V
CC
CC
2.4
3.2
0.25
0.35
0.25
0.4
0.4
0.5
20
V
OL
V
V
I
I
I
I
I
I
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
V
V
20
–20
0.1
20
µA
µA
OZH
OZL
I
O
O
= 0.4 V
–20
0.1
20
V = 7 V
I
mA
µA
V = 2.7 V
I
IH
V = 0.4 V
I
–0.2
–112
20
–0.2
–112
19
mA
mA
IL
‡
V
O
= 2.25 V
–20
–30
O
Outputs high
Outputs low
11
19
20
11
19
20
I
V
CC
= 5.5 V
28
28
mA
CC
Outputs disabled
31
31
†
‡
All typical values are at V
= 5 V, T = 25°C.
A
CC
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, I
.
OS
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
SN54ALS374A SN74ALS374A
UNIT
MIN
MAX
MIN
MAX
f
t
t
t
Clock frequency
Pulse duration
Setup time
30
35
MHz
ns
clock
CLK high or low
Data before CLK↑
Data after CLK↑
16.5
10
4
14
10
0
w
ns
su
h
Hold time
ns
switching characteristics over recommended operating conditions (unless otherwise noted
(see Figure 3)
SN54ALS374A SN74ALS374A
FROM
(INPUT)
TO
(OUTPUT)
PARAMETER
UNIT
MHz
ns
MIN
30
3
MAX
MIN
35
3
MAX
f
t
t
t
t
t
t
max
PLH
PHL
PZH
PZL
PHZ
PLZ
14
17
18
21
11
19
12
16
17
18
10
18
CLK
Q
Q
Q
5
5
3
3
ns
ns
OE
OE
5
5
1
1
2
2
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999
recommended operating conditions
SN54AS374
MIN NOM
SN74AS374
MIN NOM
UNIT
MAX
MAX
V
V
V
Supply voltage
4.5
2
5
5.5
4.5
2
5
5.5
V
V
CC
High-level input voltage
Low-level input voltage
High-level output current
Low-level output current
Operating free-air temperature
IH
0.7
–12
32
0.8
–15
48
V
IL
I
I
mA
mA
°C
OH
OL
T
A
–55
125
0
70
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
SN54AS374
SN74AS374
PARAMETER
TEST CONDITIONS
UNIT
†
TYP
†
TYP
MIN
MAX
MIN
MAX
V
V
V
V
= 4.5 V,
I = –18 mA
–1.2
–1.2
V
IK
CC
I
= 4.5 V to 5.5 V,
I
I
I
I
I
= –2 mA
= –12 mA
= –15 mA
= 32 mA
= 48 mA
= 2.7 V
V
–2
CC
2.4
V
–2
CC
OH
OH
OH
OL
OL
CC
3.2
V
OH
V
= 4.5 V
= 4.5 V
CC
CC
2.4
3.3
0.29
0.5
V
OL
V
V
0.34
0.5
50
I
I
I
I
V
CC
V
CC
V
CC
V
CC
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
V
50
–50
0.1
µA
µA
mA
µA
OZH
OZL
I
O
O
V
= 0.4 V
–50
0.1
V = 7 V
I
V = 2.7 V
I
20
20
IH
OE, CLK
Data
–0.5
–3
–0.5
–2
I
V
= 5.5 V,
= 5.5 V,
V = 0.4 V
mA
mA
IL
CC
CC
I
‡
I
O
V
V
O
= 2.25 V
–30
–112
120
128
128
–30
–112
120
128
128
Outputs high
Outputs low
77
84
84
77
84
84
I
V
CC
= 5.5 V
mA
CC
Outputs disabled
†
‡
All typical values are at V
= 5 V, T = 25°C.
A
CC
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, I
.
OS
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
SN54AS374
SN74AS374
UNIT
MHz
ns
MIN
MAX
MIN
MAX
f
t
Clock frequency
Pulse duration
100*
125
clock
CLK high
5.5*
3*
4
3
2
2
w
CLK low
t
t
Setup time
Hold time
Data before CLK↑
Data after CLK↑
3*
ns
ns
su
3*
h
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999
switching characteristics over recommended operating conditions (unless otherwise noted)
(see Figure 3)
SN54AS374
SN74AS374
FROM
(INPUT)
TO
(OUTPUT)
PARAMETER
UNIT
MHz
ns
MIN
MAX
MIN
125
3
MAX
f
t
t
t
t
t
t
100*
max
PLH
PHL
PZH
PZL
PHZ
PLZ
3
4
2
3
2
2
11
11.5
7
8
9
CLK
Q
Q
Q
4
2
6
ns
ns
OE
OE
11
3
10
6
10
7
2
2
6
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999
APPLICATION INFORMATION
Four SN54ALS374A,
SN74ALS374A,
or ’AS374
EN
C
8
8
8
8
’ALS139
X/Y
0
1
2
3
EN
C
A
B
G
1
Output-Enable
Select
2
EN
A
B
G
Input Clock
Select
EN
C
8
8
8
8
Clock
EN
C
8
8
Input
Output
Figure 1. Expandable 4-Word by 8-Bit General File Register
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999
APPLICATION INFORMATION
SN54ALS374A,
SN74ALS374A,
or ’AS374
Output Enable 1
Clock 1
EN
C1
1D
Bidirectional
Data Bus 1
Bidirectional
Data Bus 2
SN54ALS374A,
SN74ALS374A,
or ’AS374
EN
C1
Output Enable 2
Clock 2
1D
H
Clock 1
Bus-Exchange
Clock
H
Clock 2
Clock Circuit for Bus Exchange
Figure 2. Bidirectional Bus Driver
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999
PARAMETER MEASUREMENT INFORMATION
SERIES 54ALS/74ALS AND 54AS/74AS DEVICES
7 V
V
CC
S1
500 Ω
Test
Point
500 Ω
From Output
Under Test
From Output
Under Test
Test
Point
From Output
Under Test
Test
Point
C
= 50 pF
L
C
= 50 pF
500 Ω
L
C
= 50 pF
L
500 Ω
(see Note A)
(see Note A)
(see Note A)
LOAD CIRCUIT FOR
BI-STATE TOTEM-POLE OUTPUTS
LOAD CIRCUIT FOR
OPEN-COLLECTOR OUTPUTS
LOAD CIRCUIT FOR
3-STATE OUTPUTS
3.5 V
0.3 V
3.5 V
0.3 V
High-Level
Pulse
Timing
Input
1.3 V
1.3 V
1.3 V
t
t
w
h
t
su
3.5 V
0.3 V
3.5 V
0.3 V
Data
Input
Low-Level
Pulse
1.3 V
1.3 V
1.3 V
1.3 V
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
VOLTAGE WAVEFORMS
PULSE DURATIONS
3.5 V
Output
Control
1.3 V
1.3 V
3.5 V
0.3 V
1.3 V
1.3 V
Input
t
t
PLZ
PZL
0.3 V
PHL
≈3.5 V
t
Waveform 1
S1 Closed
(see Note B)
t
PLH
1.3 V
V
OH
V
+ 0.3 V
In-Phase
Output
OL
1.3 V
1.3 V
1.3 V
V
V
OL
V
OL
t
t
PHZ
PZH
t
t
PHL
PLH
OH
Out-of-Phase
Output
(see Note C)
V
Waveform 2
S1 Open
(see Note B)
OH
OL
V
– 0.3 V
OH
1.3 V
1.3 V
V
≈0 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES, 3-STATE OUTPUTS
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
NOTES: A. includes probe and jig capacitance.
C
L
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. When measuring propagation delay items of 3-state outputs, switch S1 is open.
D. All input pulses have the following characteristics: PRR ≤ 1 MHz, t = t = 2 ns, duty cycle = 50%.
r
f
E. The outputs are measured one at a time with one transition per measurement.
Figure 3. Load Circuits and Voltage Waveforms
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PACKAGE OPTION ADDENDUM
www.ti.com
4-Jun-2007
PACKAGING INFORMATION
Orderable Device
Status (1)
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
LCCC
CDIP
CFP
Drawing
5962-9756201Q2A
5962-9756201QRA
5962-9756201QSA
83020022A
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
OBSOLETE
ACTIVE
FK
J
20
20
20
20
20
20
20
20
20
20
20
20
1
1
1
1
1
1
1
1
1
1
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
POST-PLATE N / A for Pkg Type
A42 SNPB
A42
N / A for Pkg Type
N / A for Pkg Type
W
FK
J
LCCC
CDIP
CFP
POST-PLATE N / A for Pkg Type
8302002RA
A42 SNPB
A42
N / A for Pkg Type
N / A for Pkg Type
8302002SA
W
FK
J
JM38510/37204B2A
JM38510/37204BRA
SN54ALS374AJ
SN54AS374J
LCCC
CDIP
CDIP
CDIP
SSOP
SSOP
POST-PLATE N / A for Pkg Type
A42 SNPB
A42 SNPB
A42 SNPB
Call TI
N / A for Pkg Type
N / A for Pkg Type
N / A for Pkg Type
Call TI
J
J
SN74ALS374ADBLE
SN74ALS374ADBR
DB
DB
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SN74ALS374ADBRE4
SN74ALS374ADBRG4
SN74ALS374ADW
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
SSOP
SSOP
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
PDIP
DB
DB
DW
DW
DW
DW
DW
DW
N
20
20
20
20
20
20
20
20
20
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
25 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SN74ALS374ADWE4
SN74ALS374ADWG4
SN74ALS374ADWR
SN74ALS374ADWRE4
SN74ALS374ADWRG4
SN74ALS374AN
25 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
25 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
20
20
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
SN74ALS374AN3
SN74ALS374ANE4
OBSOLETE
ACTIVE
PDIP
PDIP
N
N
20
20
TBD
Call TI
Call TI
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
SN74ALS374ANSR
SN74ALS374ANSRE4
SN74ALS374ANSRG4
SN74AS374DW
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
SO
SO
NS
NS
20
20
20
20
20
20
20
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SO
NS
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SOIC
SOIC
SOIC
SOIC
DW
DW
DW
DW
25 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SN74AS374DWG4
SN74AS374DWR
25 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SN74AS374DWRE4
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
4-Jun-2007
Orderable Device
Status (1)
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
no Sb/Br)
SN74AS374DWRG4
SN74AS374N
ACTIVE
ACTIVE
SOIC
PDIP
DW
N
20
20
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
20
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
SN74AS374N3
SN74AS374NE4
OBSOLETE
ACTIVE
PDIP
PDIP
N
N
20
20
TBD
Call TI
Call TI
20
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
SN74AS374NSR
SN74AS374NSRE4
SN74AS374NSRG4
ACTIVE
ACTIVE
ACTIVE
SO
SO
SO
NS
NS
NS
20
20
20
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SNJ54ALS374AFK
SNJ54ALS374AJ
SNJ54ALS374AW
SNJ54AS374FK
SNJ54AS374J
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
LCCC
CDIP
CFP
FK
J
20
20
20
20
20
20
1
1
1
1
1
1
TBD
TBD
TBD
TBD
TBD
TBD
POST-PLATE N / A for Pkg Type
A42 SNPB
A42
N / A for Pkg Type
N / A for Pkg Type
W
FK
J
LCCC
CDIP
CFP
POST-PLATE N / A for Pkg Type
A42 SNPB
A42
N / A for Pkg Type
N / A for Pkg Type
SNJ54AS374W
W
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS
compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.
Addendum-Page 2
PACKAGE MATERIALS INFORMATION
www.ti.com
19-May-2007
TAPE AND REEL INFORMATION
Pack Materials-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
19-May-2007
Device
Package Pins
Site
Reel
Reel
A0 (mm)
B0 (mm)
K0 (mm)
P1
W
Pin1
Diameter Width
(mm) (mm) Quadrant
(mm)
330
330
330
330
330
(mm)
16
SN74ALS374ADBR
SN74ALS374ADWR
SN74ALS374ANSR
SN74AS374DWR
SN74AS374NSR
DB
DW
NS
DW
NS
20
20
20
20
20
MLA
MLA
MLA
MLA
MLA
8.2
10.8
8.2
7.5
2.5
2.7
2.5
2.7
2.5
12
12
12
12
12
16
24
24
24
24
Q1
Q1
Q1
Q1
Q1
24
13.0
13.0
13.0
13.0
24
24
10.8
8.2
24
TAPE AND REEL BOX INFORMATION
Device
Package
Pins
Site
Length (mm) Width (mm) Height (mm)
SN74ALS374ADBR
SN74ALS374ADWR
SN74ALS374ANSR
SN74AS374DWR
SN74AS374NSR
DB
DW
NS
DW
NS
20
20
20
20
20
MLA
MLA
MLA
MLA
MLA
342.9
333.2
333.2
333.2
333.2
336.6
333.2
333.2
333.2
333.2
28.58
31.75
31.75
31.75
31.75
Pack Materials-Page 2
PACKAGE MATERIALS INFORMATION
www.ti.com
19-May-2007
Pack Materials-Page 3
MECHANICAL DATA
MLCC006B – OCTOBER 1996
FK (S-CQCC-N**)
LEADLESS CERAMIC CHIP CARRIER
28 TERMINAL SHOWN
A
B
NO. OF
TERMINALS
**
18 17 16 15 14 13 12
MIN
MAX
MIN
MAX
0.342
(8,69)
0.358
(9,09)
0.307
(7,80)
0.358
(9,09)
19
20
11
10
9
20
28
44
52
68
84
0.442
(11,23)
0.458
(11,63)
0.406
(10,31)
0.458
(11,63)
21
B SQ
22
0.640
(16,26)
0.660
(16,76)
0.495
(12,58)
0.560
(14,22)
8
A SQ
23
0.739
(18,78)
0.761
(19,32)
0.495
(12,58)
0.560
(14,22)
7
24
25
6
0.938
(23,83)
0.962
(24,43)
0.850
(21,6)
0.858
(21,8)
5
1.141
(28,99)
1.165
(29,59)
1.047
(26,6)
1.063
(27,0)
26 27 28
1
2
3
4
0.080 (2,03)
0.064 (1,63)
0.020 (0,51)
0.010 (0,25)
0.020 (0,51)
0.010 (0,25)
0.055 (1,40)
0.045 (1,14)
0.045 (1,14)
0.035 (0,89)
0.045 (1,14)
0.035 (0,89)
0.028 (0,71)
0.022 (0,54)
0.050 (1,27)
4040140/D 10/96
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. This package can be hermetically sealed with a metal lid.
D. The terminals are gold plated.
E. Falls within JEDEC MS-004
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
MECHANICAL DATA
MSSO002E – JANUARY 1995 – REVISED DECEMBER 2001
DB (R-PDSO-G**)
PLASTIC SMALL-OUTLINE
28 PINS SHOWN
0,38
0,22
0,65
28
M
0,15
15
0,25
0,09
5,60
5,00
8,20
7,40
Gage Plane
1
14
0,25
A
0°–ā8°
0,95
0,55
Seating Plane
0,10
2,00 MAX
0,05 MIN
PINS **
14
16
20
24
28
30
38
DIM
6,50
5,90
6,50
5,90
7,50
8,50
7,90
10,50
9,90
10,50 12,90
A MAX
A MIN
6,90
9,90
12,30
4040065 /E 12/01
NOTES: A. All linear dimensions are in millimeters.
B. This drawing is subject to change without notice.
C. Body dimensions do not include mold flash or protrusion not to exceed 0,15.
D. Falls within JEDEC MO-150
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
IMPORTANT NOTICE
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements,
improvements, and other changes to its products and services at any time and to discontinue any product or service without notice.
Customers should obtain the latest relevant information before placing orders and should verify that such information is current and
complete. All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment.
TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI’s
standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this
warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily
performed.
TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and
applications using TI components. To minimize the risks associated with customer products and applications, customers should
provide adequate design and operating safeguards.
TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask
work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services
are used. Information published by TI regarding third-party products or services does not constitute a license from TI to use such
products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under
the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI.
Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is
accompanied by all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an
unfair and deceptive business practice. TI is not responsible or liable for such altered documentation. Information of third parties
may be subject to additional restrictions.
Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service
voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business
practice. TI is not responsible or liable for any such statements.
TI products are not authorized for use in safety-critical applications (such as life support) where a failure of the TI product would
reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement
specifically governing such use. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications
of their applications, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related
requirements concerning their products and any use of TI products in such safety-critical applications, notwithstanding any
applications-related information or support that may be provided by TI. Further, Buyers must fully indemnify TI and its
representatives against any damages arising out of the use of TI products in such safety-critical applications.
TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products are
specifically designated by TI as military-grade or "enhanced plastic." Only products designated by TI as military-grade meet military
specifications. Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is
solely at the Buyer's risk, and that they are solely responsible for compliance with all legal and regulatory requirements in
connection with such use.
TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products
are designated by TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any
non-designated products in automotive applications, TI will not be responsible for any failure to meet such requirements.
Following are URLs where you can obtain information on other Texas Instruments products and application solutions:
Products
Amplifiers
Data Converters
DSP
Applications
Audio
amplifier.ti.com
dataconverter.ti.com
dsp.ti.com
www.ti.com/audio
Automotive
Broadband
Digital Control
Military
www.ti.com/automotive
www.ti.com/broadband
www.ti.com/digitalcontrol
www.ti.com/military
Interface
interface.ti.com
logic.ti.com
Logic
Power Mgmt
Microcontrollers
RFID
power.ti.com
Optical Networking
Security
www.ti.com/opticalnetwork
www.ti.com/security
www.ti.com/telephony
www.ti.com/video
microcontroller.ti.com
www.ti-rfid.com
www.ti.com/lpw
Telephony
Low Power
Wireless
Video & Imaging
Wireless
www.ti.com/wireless
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2007, Texas Instruments Incorporated
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