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參數(shù)資料
| 型號： | 74F191PC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Up/Down Binary Counter with Preset and Ripple Clock |
| 中文描述： | F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-16 |
| 文件頁數(shù)： | 7/14頁 |
| 文件大?。?/td> | 104K |
| 代理商： | 74F191PC |
Philips Semiconductors
Product specification
74F191
Up/Down binary counter with reset and ripple clock
1995 Jul 17
7
AC ELECTRICAL CHARACTERISTICS
LIMITS
T
amb
= +25
°
C
V
CC
= +5.0V
C
L
= 50pF, R
L
= 500
Min
Typ
T
amb
= 0
°
C to +70
°
C
V
CC
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
Min
SYMBOL
PARAMETER
TEST CONDITIONS
UNIT
Max
Max
f
MAX
Maximum clock frequency
to Qn outputs
Waveform 1
100
125
90
MHz
f
MAX
Maximum clock frequency
to RC outputs
Waveform 1
85
95
75
MHz
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
Propagation delay
CP to Q
n
Propagation delay
CP to TC
Waveform 1
2.5
5.0
4.5
7.5
8.0
11.5
2.0
5.0
8.5
12.0
ns
ns
Waveform 1
6.5
6.0
9.0
8.0
12.5
11.0
6.0
6.0
13.0
12.0
ns
ns
Propagation delay
CP to RC
Waveform 2
2.5
3.0
4.5
5.0
7.5
7.5
2.0
2.5
8.0
8.0
ns
ns
Propagation delay
CE to RC
Waveform 2
2.0
3.0
4.0
5.0
7.0
7.5
2.0
3.0
7.5
8.0
ns
ns
Propagation delay
U/D to RC
Waveform 2
8.0
4.5
11.0
7.5
16.0
10.5
8.0
4.0
17.0
11.0
ns
ns
Propagation delay
U/D to TC
Waveform 4
4.0
3.0
6.5
6.0
9.5
9.5
3.0
3.0
10.5
10.0
ns
ns
Propagation delay
D
n
to Q
n
Propagation delay
D
n
to TC
Propagation delay
D
n
to RC
Propagation delay
PL to Q
n
Propagation delay
PL to TC
Waveform 3
2.0
6.5
4.0
9.0
7.0
12.0
1.5
6.5
7.5
13.0
ns
ns
Waveform 3
Waveform 4
5.5
6.5
9.5
9.5
13.0
13.0
5.0
6.0
14.0
14.0
ns
ns
Waveform 3
Waveform 4
6.0
6.0
14.0
11.0
18.0
13.5
6.0
6.0
19.5
15.0
ns
ns
Waveform 5
4.5
5.5
6.5
8.0
9.5
11.5
4.0
5.0
10.5
12.0
ns
ns
Waveform 5
5.5
6.0
8.5
10.5
12.0
13.5
5.5
6.0
13.0
14.5
ns
ns
Propagation delay
PL to RC
Waveform 5
8.5
7.5
16.0
10.0
18.5
13.0
8.5
7.0
21.0
13.5
ns
ns
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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 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 74F191PC | 制造商:Fairchild Semiconductor Corporation 功能描述:Counter Logic IC |
| 74F191PC_Q | 功能描述:計數(shù)器 IC Up/Down Binary Ctr RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| 74F191PCQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191PCX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191PMQB | 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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