參數(shù)資料
型號(hào): SN74LS374N
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: LOW POWER SCHOTTKY
中文描述: LS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDIP20
封裝: PLASTIC, DIP-20
文件頁(yè)數(shù): 3/8頁(yè)
文件大?。?/td> 154K
代理商: SN74LS374N
SN74LS373 SN74LS374
http://onsemi.com
3
LOGIC DIAGRAMS
SN74LS373
SN74LS374
D
D
G
Q
CP
Q Q
CP
OE
OE
LE
LATCH
ENABLE
O
0
O
1
O
2
O
3
O
4
O
5
O
6
O
7
D
0
14
1
2
6
7
3
8
4
5
9
11
12
16
13
15
V
CC
= PIN 20
GND = PIN 10
= PIN NUMBERS
D
G
Q
D
1
D
G
Q
D
2
D
G
Q
D
3
D
G
Q
D
4
D
G
Q
D
5
D
G
Q
D
6
D
G
Q
D
7
17
18
19
O
0
O
1
O
2
O
3
O
4
O
5
O
6
O
7
2
6
5
9
12
16
15
19
D
0
14
7
3
8
4
13
D
1
D
2
D
3
D
4
D
5
D
6
D
7
17
18
1
11
D
CP
Q Q
D
CP
Q Q
D
CP
Q Q
D
CP
Q Q
D
CP
Q Q
D
CP
Q Q
D
CP
Q Q
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(unless otherwise specified)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
V
IH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
V
IL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage for
All Inputs
V
IK
Input Clamp Diode Voltage
–0.65
–1.5
V
V
CC
= MIN, I
IN
= –18 mA
V
CC
= MIN, I
OH
= MAX, V
IN
= V
IH
or V
IL
per Truth Table
V
OH
Output HIGH Voltage
2.4
3.1
V
V
OL
Output LOW Voltage
0.25
0.4
V
I
OL
= 12 mA
V
CC
= V
CC
MIN,
V
IN
= V
IL
or V
IH
per Truth Table
0.35
0.5
V
I
OL
= 24 mA
I
OZH
I
OZL
Output Off Current HIGH
20
μ
A
V
CC
= MAX, V
OUT
= 2.7 V
V
CC
= MAX, V
OUT
= 0.4 V
V
CC
= MAX, V
IN
= 2.7 V
V
CC
= MAX, V
IN
= 7.0 V
V
CC
= MAX, V
IN
= 0.4 V
V
CC
= MAX
V
CC
= MAX
Output Off Current LOW
–20
μ
A
I
IH
Input HIGH Current
20
μ
A
0.1
mA
I
IL
I
OS
I
CC
Input LOW Current
–0.4
mA
Short Circuit Current (Note 1)
–30
–130
mA
Power Supply Current
40
mA
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
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