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參數(shù)資料
| 型號： | 74F191 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通用總線功能 |
| 英文描述： | Up/down binary counter with reset and ripple clock |
| 中文描述： | 上/下的復位和時鐘波紋二進制計數(shù)器 |
| 文件頁數(shù)： | 9/14頁 |
| 文件大?。?/td> | 104K |
| 代理商： | 74F191 |
Philips Semiconductors
Product specification
74F191
Up/Down binary counter with reset and ripple clock
1995 Jul 17
9
AC WAVEFORMS
NOTE:
For all waveforms, V
M
= 1.5V
V
M
t
PLH
t
PHL
V
M
V
M
V
M
CP
RC, Q
n
, TC
1/f
MAX
t
W
(H)
t
W
(L)
SF00734
Waveform 1. Propagation Delay, Clock Input to Output,
Clock Pulse Width, and Maximum Clock Frequency.
V
M
V
M
V
M
V
M
t
PHL
t
PLH
D
n
RC, TC, Q
n
SF00736
Waveform 3. Propagation Delay, Non-Inverting Path
V
M
V
M
V
M
t
W
(L)
t
REC
V
M
TC, Q
n
CP
PL
V
M
RC, Q
n
t
PLH
SF00738
t
PHL
Waveform 5. Parallel Load Pulse Width, Parallel Load to Output
Delay and Parallel Load to Clock Recovery Time
t
PLH
CE, CP
U/D
RC
V
M
V
M
V
M
V
M
SF00735
t
PHL
Waveform 2. Propagation Delay, Clock, Clock Enable or
Up/Down to Ripple Clock Output
V
M
V
M
V
M
V
M
t
PHL
t
PLH
U/D, D
n
RC, TC
SF00737
Waveform 4. Propagation Delay, Inverting Path
The shaded areas indicate when the input is permitted
to change for predictable output performance.
V
M
V
M
PL
t
S
(H)
t
h
(H)
t
S
(L)
t
h
(L)
V
M
CP
SF00739
V
M
V
M
CE,
D
n
U/D
Waveform 6. Data Set Up and Hold Times
相關PDF資料 |
PDF描述 |
|---|---|
| 74F191 | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191SC | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191SJ | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191PC | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191 | Up/Down Binary Counter with Preset and Ripple Clock |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 74F191_07 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191DC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchronous Up/Down Counter |
| 74F191DCQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191DCX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191DMQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
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