参数资料
型号: M74HCT74-1
厂商: 意法半导体
英文描述: DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR
中文描述: 双D型触发器与预置和清除
文件页数: 4/10页
文件大小: 432K
代理商: M74HCT74-1
M74HCT74
4/10
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, Input t
r
= t
f
= 6ns)
CAPACITIVE CHARACTERISTICS
1) C
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. I
CC(opr)
= C
PD
x V
CC
x f
IN
+ I
CC
/2 (per FLIP/
FLOP)
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
t
TLH
t
THL
Output Transition
Time
t
PLH
t
PHL
Propagation Delay
Time (CLOCK-Q)
t
PLH
t
PHL
Propagation Delay
Time (CL,PR - Q,Q)
f
MAX
Maximum Clock
Frequency
t
W(H)
t
W(L)
t
W(L)
Minimum Pulse
Width (CLR, PR)
t
s
Minimum Set-Up
Time
t
h
Minimum Hold
Time
t
REM
Minimum Removal
Time (CLR, PR to
CLOCK)
4.5
8
15
19
22
ns
4.5
21
33
41
50
ns
4.5
18
30
38
45
ns
4.5
27
48
22
18
MHz
Minimum Pulse
Width (CLOCK)
4.5
6
15
19
23
ns
4.5
8
15
19
23
ns
4.5
7
15
19
23
ns
4.5
0
0
0
ns
4.5
1
5
5
6
5
8
ns
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
C
IN
C
PD
Input Capacitance
Power Dissipation
Capacitance (note
1)
5
10
10
10
pF
32
pF
相关PDF资料
PDF描述
M74HCT74B1R DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR
M74HCT74C1R DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR
M74HCT74M1R DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR
M74HCT74TTR DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR
M74HCT74MTC Dual D-Type Flip-Flop with Preset and Clear
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