參數(shù)資料
型號: 74LS194
廠商: ON SEMICONDUCTOR
英文描述: LOW POWER SCHOTTKY
中文描述: 低功耗肖特基
文件頁數(shù): 2/8頁
文件大?。?/td> 135K
代理商: 74LS194
SN74LS194A
http://onsemi.com
2
CONNECTION DIAGRAM DIP
(TOP VIEW)
V
CC
Q
0
Q
1
Q
2
Mode Control Inputs
Parallel Data Inputs
Serial (Shift Right) Data Input
Serial (Shift Left) Data Input
Clock (Active HIGH Going Edge) Input
Master Reset (Active LOW) Input
Parallel Outputs
S
0
, S
1
P
0
– P
3
D
SR
D
SL
CP
MR
Q
0
– Q
3
0.5 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
10 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
5 U.L.
NOTES:
a) 1 TTL Unit Load (U.L.) = 40 A HIGH/1.6 mA LOW.
HIGH
LOW
(Note a)
LOADING
PIN NAMES
14
13
12
11
10
9
1
2
3
P
0
4
P
1
5
P
2
6
P
3
7
16
15
8
MR
Q
3
S
1
CP
S
0
D
SR
D
SL
GND
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