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參數資料
| 型號： | 74F191LMX |
| 廠商： | National Semiconductor Corporation |
| 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： | 向上/向下二進制計數器的預置和波紋時鐘 |
| 文件頁數： | 5/10頁 |
| 文件大小： | 187K |
| 代理商： | 74F191LMX |
AC Electrical Characteristics
74F
54F
74F
T
A
e a
25
§
C
V
CC
e a
5.0V
C
L
e
50 pF
T
A
, V
CC
e
Mil
C
L
e
50 pF
T
A
, V
CC
e
Com
C
L
e
50 pF
Symbol
Parameter
Units
Min
Typ
Max
Min
Max
Min
Max
f
max
Maximum Count Frequency
100
125
75
90
MHz
t
PLH
t
PHL
Propagation Delay
CP to Q
n
3.0
5.0
5.5
8.5
7.5
11.0
3.0
5.0
9.5
13.5
3.0
5.0
8.5
12.0
ns
t
PLH
t
PHL
Propagation Delay
CP to TC
6.0
5.0
10.0
8.5
13.0
11.0
6.0
5.0
16.5
13.5
6.0
5.0
14.0
12.0
t
PLH
t
PHL
Propagation Delay
CP to RC
3.0
3.0
5.5
5.0
7.5
7.0
3.0
3.0
9.5
9.0
3.0
3.0
8.5
8.0
ns
t
PLH
t
PHL
Propagation Delay
CE to RC
3.0
3.0
5.0
5.5
7.0
7.0
3.0
3.0
9.0
9.0
3.0
3.0
8.0
8.0
t
PLH
t
PHL
Propagation Delay
U/D to RC
7.0
5.5
11.0
9.0
18.0
12.0
7.0
5.5
22.0
14.0
7.0
5.5
20.0
13.0
ns
t
PLH
t
PHL
Propagation Delay
U/D to TC
4.0
4.0
7.0
6.5
10.0
10.0
4.0
4.0
13.5
12.5
4.0
4.0
11.0
11.0
t
PLH
t
PHL
Propagation Delay
P
n
to Q
n
3.0
6.0
4.5
10.0
7.0
13.0
3.0
6.0
9.0
16.0
3.0
6.0
8.0
14.0
ns
t
PLH
t
PHL
Propagation Delay
PL to Q
n
5.0
5.5
8.5
9.0
11.0
12.0
5.0
5.5
13.0
14.5
5.0
5.5
12.0
13.0
ns
t
PLH
t
PHL
Propagation Delay
P
n
to TC
5.0
6.5
14.0
13.0
5.0
6.0
15.0
14.0
ns
t
PLH
t
PHL
Propagation Delay
P
n
to RC
6.5
6.0
19.0
14.0
6.5
6.0
20.0
15.0
ns
t
PLH
t
PHL
Propagation Delay
PL to TC
8.0
6.0
16.5
13.5
8.0
6.0
17.5
14.5
ns
t
PLH
t
PHL
Propagation Delay
PL to RC
10.0
9.0
20.0
15.5
10.0
9.0
21.0
16.0
ns
5
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 74F191N | 制造商:North American Philips Discrete Products Div 功能描述:Counter, Up/Down, 4 Bit Binary, 16 Pin, Plastic, DIP 制造商:NXP Semiconductors 功能描述:Counter, Up/Down, 4 Bit Binary, 16 Pin, Plastic, DIP |
| 74F191PC | 功能描述:計數器移位寄存器 Up/Down Binary Ctr RoHS:否 制造商:Texas Instruments 計數器類型: 計數順序:Serial to Serial/Parallel 電路數量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| 74F191PC | 制造商:Fairchild Semiconductor Corporation 功能描述:Counter Logic IC |
| 74F191PC_Q | 功能描述:計數器 IC Up/Down Binary Ctr RoHS:否 制造商:NXP Semiconductors 計數器類型:Binary Counters 邏輯系列:74LV 位數:10 計數法: 計數順序: 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 |
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