參數(shù)資料
型號: MM74HCT74NX
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 鎖存器
英文描述: HCT SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDIP14
封裝: 0.300 INCH, PLASTIC, MS-001, DIP-14
文件頁數(shù): 5/10頁
文件大?。?/td> 304K
代理商: MM74HCT74NX
MM74HCT74
Dual
D-T
ype
Flip-Flop
with
Preset
and
Clear
1984 Fairchild Semiconductor Corporation
www.fairchildsemi.com
MM74HCT74 Rev. 1.3
4
DC Electrical Characteristics
VCC = 5V ±10% (unless otherwise specified).
Note:
4. This is measured per pin. All other inputs are held at VCC Ground.
AC Electrical Characteristics
VCC = 5V, TA = 25°C, CL = 15 pF, tr = tf = 6ns.
Symbol
Parameter
Conditions
TA =
Units
25°C
–40° to
85°C
–55 to
125°C
Typ.
Guaranteed Limits
VIH
Minimum HIGH Level
Input Voltage
2.0
V
VIL
Maximum LOW Level
Input Voltage
0.8
V
VOH
Minimum HIGH Level
Output Voltage
VIN = VIH or VIL:
|IOUT| = 20 A
VCC
VCC – 0.1
V
|IOUT| = 4.0 mA, VCC = 4.5V
4.2
3.98
3.84
3.7
|IOUT| = 4.8 mA, VCC = 5.5V
5.2
4.98
4.84
4.7
VOL
Maximum LOW Level
Voltage
VIN = VIH or VIL:
|IOUT| = 20A
0
0.1
V
|IOUT| = 4.0mA, VCC = 4.5V
0.2
0.26
0.33
0.4
|IOUT| = 4.8mA, VCC = 5.5V
0.2
0.26
0.33
0.4
IIN
Maximum Input
Current
VIN = VCC or GND, VIH or VIL
±0.0.5
±0.5
±1.0
A
ICC
Maximum Quiescent
Supply Current
VIN = VCC or GND, IOUT = 0A
2.0
20
80
A
VIN = 2.4V or 0.5V
(4)
0.3
0.4
0.5
mA
Symbol
Parameter
Conditions
Typ.
Guaranteed
Limit
Units
fMAX
Maximum Operating Frequency from Clock to
Q or Q
50
30
MHz
tPHL, tPLH Maximum Propagation Delay Clock to Q or Q
18
30
ns
tPHL, tPLH Maximum Propagation Delay from Preset or
Clear to Q or Q
18
30
ns
tREM
Minimum Removal Time, Preset or Clear to
Clock
20
ns
tS
Minimum Setup Time Data to Clock
20
ns
tH
Minimum Hold Time Clock to Data
–3
0
ns
tW
Minimum Pulse Width Clock, Preset or Clear
8
16
ns
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