參數(shù)資料
型號： SN54F373FK
廠商： Texas Instruments, Inc.
元件分類： 通用總線功能
英文描述： OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
中文描述： 有三態(tài)輸出的8個透明D型鎖存器
文件頁數(shù)： 2/4頁
文件大?。?/td> 54K
代理商： SN54F373FK
SN54F373, SN74F373
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SDFS076A – D2932, MARCH 1987 – REVISED OCTOBER 1993
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
logic symbol
logic diagram (positive logic)
OE
LE
1D
3
1D
4
2D
7
3D
8
4D
13
5D
C1
11
1Q
2
2Q
5
3Q
6
4Q
9
5Q
12
6Q
15
7Q
16
8Q
19
14
6D
17
7D
18
8D
EN
1
OE
LE
1D
1Q
1
11
3
2
To Seven Other Channels
C1
1D
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
CC
Input voltage range, V
I
(see Note 1)
Input current range
Voltage range applied to any output in the disabled or power-off state
Voltage range applied to any output in the high state
Current into any output in the low state: SN54F373
–0.5 V to 7 V
–1.2 V to 7 V
–30 mA to 5 mA
–0.5 V to 5.5 V
–0.5 V to V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
40 mA
48 mA
SN74F373
SN54F373
SN74F373
Operating free-air temperature range:
–55
°
C to 125
°
C
0
°
C to 70
°
C
–65
°
C to 150
°
C
Storage temperature range
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 input voltage ratings may be exceeded provided the input current ratings are observed.
recommended operating conditions
SN54F373
MIN
NOM
SN74F373
MIN
NOM
UNIT
MAX
MAX
VCC
VIH
VIL
IIK
IOH
IOL
TA
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
Input clamp current
–18
–18
mA
High-level output current
– 3
– 3
mA
Low-level output current
20
24
mA
°
C
Operating free-air temperature
–55
125
0
70
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