参数资料
型号: 74F191LMQB
厂商: National Semiconductor Corporation
元件分类: 通用总线功能
英文描述: Up/Down Binary Counter with Preset and Ripple Clock
中文描述: 向上/向下二进制计数器的预置和波纹时钟
文件页数: 5/10页
文件大小: 187K
代理商: 74F191LMQB
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
相关PDF资料
PDF描述
74F191LMX Up/Down Binary Counter with Preset and Ripple Clock
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相关代理商/技术参数
参数描述
74F191LMX 制造商:NSC 制造商全称:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock
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:计数器移位寄存器 Up/Down Binary Ctr RoHS:否 制造商:Texas Instruments 计数器类型: 计数顺序:Serial to Serial/Parallel 电路数量:1 封装 / 箱体:SOIC-20 Wide 逻辑系列: 逻辑类型: 输入线路数量:1 输出类型:Open Drain 传播延迟时间:650 ns 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装:Reel
74F191PC 制造商:Fairchild Semiconductor Corporation 功能描述:Counter Logic IC
74F191PC_Q 功能描述:计数器 IC Up/Down Binary Ctr RoHS:否 制造商:NXP Semiconductors 计数器类型:Binary Counters 逻辑系列:74LV 位数:10 计数法: 计数顺序: 工作电源电压:1 V to 5.5 V 工作温度范围:- 40 C to + 125 C 封装 / 箱体:SOT-109 封装:Reel