參數(shù)資料
型號(hào): 74ACT11190
廠商: Texas Instruments, Inc.
元件分類: 通用總線功能
英文描述: Synchronous 4-Bit Up/Down Decade Counters(4位同步十進(jìn)制計(jì)數(shù)器)
中文描述: 同步4位向上/向下計(jì)數(shù)器十年(4位同步十進(jìn)制計(jì)數(shù)器)
文件頁數(shù): 4/9頁
文件大?。?/td> 167K
代理商: 74ACT11190
54ACT11190, 74ACT11190
SYNCHRONOUS 4-BIT UP/DOWN DECADE COUNTERS
SCAS383 – MARCH 1990
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
4
timing diagram (typical load, count, and inhibit sequences)
This timing diagram illustrates the following sequence:
1.
2.
3.
4.
Load (preset) to BCD seven
Count up to eight, nine (maximum), zero, one and two
Inhibit
Count down to one, zero (minimum), nine, eight, and seven.
A
B
C
D
CLOCK
D/U
MAX/MIN
Q
A
Q
D
Q
C
Q
B
LOAD
Count Up
Inhibit
Count Down
7
8
9
0
1
2
2
2
1
0
9
8
7
Data
Inputs
LOAD
CTEN
RCO
P
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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