參數(shù)資料
型號(hào): 74AS160
廠商: Texas Instruments, Inc.
元件分類(lèi): 通用總線功能
英文描述: SYNCHRONOUS 4-BIT DECADE AND BINARY COUNTERS
中文描述: 同步4位二進(jìn)制計(jì)數(shù)器十年
文件頁(yè)數(shù): 4/11頁(yè)
文件大?。?/td> 160K
代理商: 74AS160
SN54ALS160B, SN54ALS162B, SN54AS160, SN54AS162
SN74ALS160B, SN74ALS162B, SN74AS160, SN74AS162
SYNCHRONOUS 4-BIT DECADE COUNTERS
SDAS024A – D2661, APRIL 1982 – REVISED MAY 1986
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
4
typical clear, preset, count, and inhibit sequences
0
Async
Clear
3
2
1
9
8
7
Preset
Sync
Clear
Outputs
Data
Inputs
RCO
QD
QC
QB
QA
ENT
ENP
CLK
D
C
B
A
LOAD
CLR
Inhibit
Count
’ALS160B, ’AS160, ’ALS162B, ’AS162
Illustrated below is the following sequence:
1. Clear outputs to zero (’ALS160B and ’AS160 are asynchronous; ’ALS162B and ’AS1162 are synchronous)
2. Preset to BCD seven
3. Count to eight, nine, zero, one, two, and three
4. Inhibit
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