参数资料
型号: 74VHC74SJ
厂商: Fairchild Semiconductor
文件页数: 6/10页
文件大小: 0K
描述: IC FLIP FLOP DUAL D HS 14SOP
标准包装: 47
系列: 74VHC
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: 170MHz
延迟时间 - 传输: 4.6ns
触发器类型: 正边沿
输出电流高,低: 8mA,8mA
电源电压: 2 V ~ 5.5 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: 管件
1992 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74VHC74
Dual
D-T
ype
Flip-Flop
with
Preset
and
Clear
AC Electrical Characteristics
Note:
3. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load. Average operating current can be obtained from the equation:
ICC (opr.) = CPD VCC fIN + ICC / 2 (per F/F).
AC Operating Requirements
Note:
4. VCC is 3.3 ± 0.3V or 5.0 ± 0.5V
Symbol
Parameter
VCC (V)
Conditions
TA = 25°C
TA = –40°C
to +85°C
Units
Min.
Typ.
Max.
Min.
Max.
fMAX
Maximum Clock
Frequency
3.3 ± 0.3
CL = 15pF
80
125
70
MHz
CL = 50pF
50
75
45
5.0 ± 0.5
CL = 15pF
130
170
110
CL = 50pF
90
115
75
tPLH, tPHL Propagation Delay
Time (CK-Q, Q)
3.3 ± 0.3
CL = 15pF
6.7
11.9
1.0
14.0
ns
CL = 50pF
9.2
15.4
1.0
17.5
5.0 ± 0.5
CL = 15pF
4.6
7.3
1.0
8.5
CL = 50pF
6.1
9.3
1.0
10.5
tPLH, tPHL Propagation Delay
Time (CLR, PR -Q, Q)
3.3 ± 0.3
CL = 15pF
7.6
12.3
1.0
14.5
ns
CL = 50pF
10.1
15.8
1.0
18.0
5.0 ± 0.5
CL = 15pF
4.8
7.7
1.0
9.0
CL = 50pF
6.3
9.7
1.0
11.0
CIN
Input Capacitance
VCC = Open
4
10
pF
CPD
Power Dissipation
Capacitance
(3)
25
pF
Symbol
Parameter
VCC (V)
(4)
TA = 25°C
TA = –40°C
to +85°C
Units
Typ.
Guaranteed
Minimum
tW(L), tW(H)
Minimum Pulse Width (CK)
3.3
6.0
7.0
ns
5.0
tW(L)
Minimum Pulse Width (CLR, PR)
3.3
6.0
7.0
ns
5.0
tS
Minimum Setup Time
3.3
6.0
7.0
ns
5.0
tH
Minimum Hold Time
3.3
0.5
ns
5.0
0.5
tREC
Minimum Recovery Time (CLR, PR)
3.3
5.0
ns
5.0
3.0
74VHC74 Rev. 1.3.1
5
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