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参数资料
| 型号： | M74HC298B1R |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 锁存器 |
| 英文描述： | HC/UH SERIES, NEGATIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDIP16 |
| 封装： | PLASTIC, DIP-16 |
| 文件页数： | 7/11页 |
| 文件大小： | 272K |
| 代理商： | M74HC298B1R |
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M74HC298
5/11
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
CAPACITIVE CHARACTERISTICS
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/4 (per BIT),
and the CPD for operating current can be obtained by the following equation : CPD = 27 + 12 x n
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
45
125
155
190
ns
4.5
15
25
31
38
6.0
13
21
26
32
fMAX
Maximum Clock
Frequency
2.0
7
22
5.6
4.6
MHz
4.5
35
67
28
23
6.0
41
79
33
25
tW(H)
tW(L)
Minimum Pulse
Width (CLOCK)
2.0
18
75
95
110
ns
4.5
6
151922
6.0
6
131619
tS
Minimum Set-up
Time (A, B, C, D to
CLOCK)
2.0
12
50
65
75
ns
4.5
3
101315
6.0
2
9
11
13
tS
Minimum Set-up
Time (W. S. to
CLOCK)
2.0
30
75
95
110
ns
4.5
8
151922
6.0
6
131619
tH
Minimum Hold
Time (A, B, C, D to
CLOCK)
2.0
25
30
40
ns
4.5
5
6
8
6.0
4
5
7
tH
Minimum Hold
Time (W. S. to
CLOCK)
2.0
0
ns
4.5
0
6.0
0
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.
CIN
Input Capacitance
5.0
5
101010
pF
CPD
Power Dissipation
Capacitance (note
1)
5.0
39
pF
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M74HC298C1R | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:QUAD 2 CHANNEL MULTIPLEXER/REGISTER |
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| M74HC298RM13TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:QUAD 2 CHANNEL MULTIPLEXER/REGISTER |
| M74HC298TTR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:QUAD 2 CHANNEL MULTIPLEXER/REGISTER |
| M74HC299 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:HC323 8BITPIPOSHIFTREGISTERWITHSYNCHRONOUS CLEAR HC299 8BITPIPOSHIFTREGISTERWITHASYNCHRONOUS CLEAR |
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