參數(shù)資料
型號: 74F191PCX
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(jìn)制計(jì)數(shù)器的預(yù)置和波紋時(shí)鐘
文件頁數(shù): 5/10頁
文件大?。?/td> 187K
代理商: 74F191PCX
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
相關(guān)PDF資料
PDF描述
74F191PMQB Up/Down Binary Counter with Preset and Ripple Clock
74F191PMX Up/Down Binary Counter with Preset and Ripple Clock
74F191SCQB Up/Down Binary Counter with Preset and Ripple Clock
74F191SJCQB Up/Down Binary Counter with Preset and Ripple Clock
74F191SJCX Up/Down Binary Counter with Preset and Ripple Clock
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
74F191PMX 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock
74F191SC 功能描述:計(jì)數(shù)器移位寄存器 Up/Down Binary Ctr RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel
74F191SCQB 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock
74F191SCX 功能描述:計(jì)數(shù)器移位寄存器 Up/Down Binary Ctr RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel