參數(shù)資料
型號: 74ALS191
廠商: Texas Instruments, Inc.
元件分類: 通用總線功能
英文描述: SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS
中文描述: 同步4位向上/向下二進制計數(shù)器
文件頁數(shù): 3/8頁
文件大?。?/td> 133K
代理商: 74ALS191
SN54ALS191A, SN74ALS191A
SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS
SDAS210C – DECEMBER 1982 – REVISED JULY 1996
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
logic diagram (positive logic)
15
4
11
14
5
CLK
A
1
10
9
B
C
D
CTEN
D/U
LOAD
QB
QC
QD
2
6
7
MAX/
MIN
QA
12
13
3
RCO
S
C1
1D
R
S
C1
1D
R
S
C1
1D
R
S
C1
1D
R
Pin numbers shown are for the D, J, and N packages.
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