参数资料
型号: MM74HC74ASJX
厂商: Fairchild Semiconductor
文件页数: 8/11页
文件大小: 0K
描述: IC FLIP FLOP DUAL D 14-SOP
标准包装: 2,000
系列: 74HC
功能: 设置(预设)和复位
类型: D 型
输出类型: 差分
元件数: 2
每个元件的位元数: 1
频率 - 时钟: 72MHz
延迟时间 - 传输: 12ns
触发器类型: 正边沿
输出电流高,低: 5.2mA,5.2mA
电源电压: 2 V ~ 6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.209",5.30mm 宽)
包装: 带卷 (TR)
1983 Fairchild Semiconductor Corporation
www.fairchildsemi.com
MM74HC74A Rev. 1.3.0
6
MM74HC74A
Dual
D-T
ype
Flip-Flop
with
Preset
and
Clear
AC Electrical Characteristics
CL = 50 pF, tr = tf = 6ns (unless otherwise specified)
Note:
5. CPD determines the no load dynamic power consumption, PD = CPD VCC
2 f + I
CC VCC, and the no load dynamic
current consumption, IS = CPD VCC f + ICC.
Symbol
Parameter
Conditions
VCC (V)
TA = 25°C
TA = –40°C
to 85°C
TA = –55°C
to 125°C
Units
Typ.
Guaranteed Limits
fMAX
Maximum Operating
Frequency
2.0
22
6
5
4
MHz
4.5
72
30
24
20
6.0
94
35
28
24
tPHL, tPLH Maximum Propagation
Delay Clock to Q or Q
2.0
34
110
140
165
ns
4.5
12
22
28
33
6.0
10
19
24
28
tPHL, tPLH Maximum Propagation
Delay Preset or Clear
to Q or Q
2.0
66
150
190
225
ns
4.5
20
30
38
45
6.0
16
26
33
38
tREM
Minimum Removal
Time, Preset or Clear
to Clock
2.0
20
50
65
75
ns
4.5
6
10
13
15
6.0
5
9
11
13
ts
Minimum Setup Time
Data to Clock
2.0
35
80
100
120
ns
4.5
10
16
20
24
6.0
8
14
17
20
tH
Minimum Hold Time
Clock to Data
2.0
0
ns
4.5
0
6.0
0
tW
Minimum, Pulse Width
Clock, Preset or Clear
2.0
30
80
101
119
ns
4.5
9
16
20
24
6.0
8
14
17
20
tTLH, tTHL Maximum Output
Rise and Fall Time
2.0
25
75
95
110
ns
4.5V
7
15
19
22
6.0V
6
13
16
19
tr, tf
Maximum Input Rise
and Fall Time
2.0
1000
ns
4.5
500
6.0
400
CPD
Power Dissipation
Capacitance(5)
(per ip-op)
80
pF
CIN
Maximum Input
Capacitance
510
10
pF
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