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參數(shù)資料
| 型號： | M74HC191B1R |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 計(jì)數(shù)器 |
| 英文描述： | HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大小： | 564K |
| 代理商： | M74HC191B1R |
M74HC191
6/14
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH tTHL Output Transition
Time
2.0
30
75
95
110
ns
4.5
8
151922
6.0
7
131619
tPLH tPHL Propagation Delay
Time
(CLOCK - Q)
2.0
92
180
225
270
ns
4.5
23
36
45
54
6.0
20
31
38
46
tPLH tPHL Propagation Delay
Time
(CLOCK - RCO)
2.0
39
120
150
180
ns
4.5
13
24
30
36
6.0
11
20
26
31
tPLH tPHL Propagation Delay
Time (CLOCK -
MAX/MIN)
2.0
120
240
300
360
ns
4.5
30
48
60
72
6.0
26
41
51
61
tPLH tPHL Propagation Delay
Time (LOAD - Q)
2.0
108
205
255
310
ns
4.5
27
41
51
61
6.0
23
35
43
53
tPLH tPHL Propagation Delay
Time (DATA - Q)
2.0
84
175
220
265
ns
4.5
21
35
44
53
6.0
18
30
37
45
tPLH tPHL Propagation Delay
Time (ENABLE -
RCO)
2.0
39
105
130
160
ns
4.5
13
21
26
32
6.0
11
18
22
27
tPLH tPHL Propagation Delay
Time (D/U - RCO)
2.0
63
180
225
270
ns
4.5
21
36
45
54
6.0
18
31
38
46
tPLH tPHL Propagation Delay
Time (D/U - MAX/
MIN)
2.0
64
160
200
240
ns
4.5
18
32
40
48
6.0
15
27
34
41
fMAX
Maximum Clock
Frequency
2.0
6.2
9
4
3.4
MHz
4.5
31
37
20
17
6.0
37
44
24
20
tW(H)
tW(L)
Minimum Pulse
Width (CLOCK)
2.0
40
100
125
150
ns
4.5
10
20
25
30
6.0
9
172126
tW(L)
Minimum Pulse
Width (LOAD)
2.0
36
75
95
110
ns
4.5
9
151922
6.0
8
131619
ts
Minimum Set-up
Time(SI, PI - CK)
2.0
80
175
220
265
ns
4.5
20
35
44
53
6.0
17
30
37
45
ts
Minimum Set-up
Time(S0, S1 - CK)
2.0
16
50
60
75
ns
4.5
4
101215
6.0
3
9
11
13
th
Minimum Hold
Time
2.0
0
ns
4.5
0
6.0
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M74HC191C1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 BIT SYNCHRONOUS UP/DOWN COUNTERS |
| M74HC191F1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 BIT SYNCHRONOUS UP/DOWN COUNTERS |
| M74HC191M1R | 功能描述:計(jì)數(shù)器 IC DISC BY STM 4/01 4-BIT SYNC BIN UP/DN RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計(jì)數(shù)法: 計(jì)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 |
| M74HC191RM13TR | 功能描述:計(jì)數(shù)器移位寄存器 Sync Up/Dn Counter 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 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| M74HC191TTR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 BIT SYNCHRONOUS UP/DOWN COUNTERS |
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