參數(shù)資料
型號: CD74HC192PW
廠商: Texas Instruments, Inc.
元件分類: 通用總線功能
英文描述: High-Speed CMOS Logic Presettable Synchronous 4-Bit Up/Down Counters
中文描述: 高速CMOS邏輯預(yù)置同步4位向上/向下計數(shù)器
文件頁數(shù): 2/16頁
文件大?。?/td> 355K
代理商: CD74HC192PW
2
Functional Diagram
TRUTH TABLE
CLOCK UP
CLOCK
DOWN
RESET
PARALLEL
LOAD
FUNCTION
H
L
H
Count Up
H
L
H
Count Down
X
X
H
X
Reset
X
X
L
L
Load Preset Inputs
H = High Voltage Level, L = Low Voltage Level, X = Don’t Care,
= Transition from Low to
High Level
ASYN.
MASTER
RESET
CLOCK UP
11
14
5
4
15
1
10
9
3
6
7
12
13
Q
0
Q
1
Q
2
Q
3
TERMINAL
COUNT UP
TERMINAL
COUNT DOWN
P0
P1
P2
P3
LOAD
ENABLE
CLOCK DOWN
2
BCD (192)
BINARY (193)
OUTPUTS
BCD/BINARY
PRESET
PARALLEL
PL
CD54/74HC192, CD54/74HC193, CD54/74HCT193
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