參數(shù)資料
型號(hào): 933897000602
廠商: NXP SEMICONDUCTORS
元件分類: 計(jì)數(shù)器
英文描述: F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16
封裝: 3.90 MM, PLASTIC, MS-012AC, SOT-109-1, SO-16
文件頁數(shù): 14/14頁
文件大?。?/td> 104K
代理商: 933897000602
Philips Semiconductors
Product specification
74F191
Up/Down binary counter with reset and ripple clock
1995 Jul 17
9
AC WAVEFORMS
NOTE: For all waveforms, VM = 1.5V
VM
tPLH
tPHL
VM
CP
RC, Qn, TC
1/fMAX
tW(H)
tW(L)
SF00734
Waveform 1. Propagation Delay, Clock Input to Output,
Clock Pulse Width, and Maximum Clock Frequency.
VM
tPHL
tPLH
Dn
RC, TC, Qn
SF00736
Waveform 3. Propagation Delay, Non-Inverting Path
VM
tW(L)
tREC
VM
TC, Qn
CP
PL
VM
RC, Qn
tPLH
SF00738
tPHL
Waveform 5. Parallel Load Pulse Width, Parallel Load to Output
Delay and Parallel Load to Clock Recovery Time
tPLH
CE, CP
U/D
RC
VM
SF00735
tPHL
Waveform 2. Propagation Delay, Clock, Clock Enable or
Up/Down to Ripple Clock Output
VM
tPHL
tPLH
U/D, Dn
RC, TC
SF00737
Waveform 4. Propagation Delay, Inverting Path
The shaded areas indicate when the input is permitted
to change for predictable output performance.
VM
PL
tS(H)
th(H)
tS(L)
th(L)
VM
CP
SF00739
VM
CE,
Dn
U/D
Waveform 6. Data Set Up and Hold Times
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