參數(shù)資料
型號: CD74HCT174W
廠商: Texas Instruments, Inc.
英文描述: LM8261 Single RRIO, High Output Current & Unlimited Cap Load Op Amp in SOT23-5; Package: SOT-23; No of Pins: 5
中文描述: 高速CMOS邏輯六角D類觸發(fā)器觸發(fā)器的復位
文件頁數(shù): 6/7頁
文件大?。?/td> 53K
代理商: CD74HCT174W
6
HCT TYPES
PropagationDelay,ClocktoQ
t
PLH
, t
PHL
C
L
= 50pF
4.5
-
40
50
60
ns
C
L
= 15pF
5
17
-
-
-
ns
Propagation Delay, MR to Q
t
PLH
, t
PHL
C
L
= 50pF
4.5
-
44
55
66
ns
C
L
= 15pF
5
18
-
-
-
ns
Output Transition Times
t
TLH
, t
THL
C
L
= 50pF
4.5
-
15
19
22
ns
Input Capacitance
C
IN
-
-
-
10
10
10
pF
Power Dissipation
Capacitance
(Notes 5, 6)
C
PD
-
5
44
-
-
-
pF
NOTES:
5. C
PD
is used to determine the dynamic power consumption, per flip-flop.
6. P
D
= V
CC2
f
i
+
(C
L
V
CC2
+ f
O
) where f
i
= Input Frequency, f
O
= Input Frequency, C
L
= Output Load Capacitance, V
CC
= Supply Voltage.
Switching Specifications
Input t
r
, t
f
= 6ns
(Continued)
PARAMETER
SYMBOL
TEST
CONDITIONS
V
CC
(V)
25
o
C
-40
o
C TO 85
o
C
-55
o
C TO 125
o
C
UNITS
TYP
MAX
MAX
MAX
Test Circuits and Waveforms
FIGURE 1. HC SETUP TIMES, HOLD TIMES, REMOVAL TIME,
AND PROPAGATION DELAY TIMES FOR EDGE
TRIGGERED SEQUENTIAL LOGIC CIRCUITS
FIGURE 2. HCT SETUP TIMES, HOLD TIMES, REMOVAL TIME,
AND PROPAGATION DELAY TIMES FOR EDGE
TRIGGERED SEQUENTIAL LOGIC CIRCUITS
t
r
C
L
t
f
C
L
GND
V
CC
50%
GND
V
CC
50%
90%
10%
GND
CLOCK
INPUT
DATA
INPUT
t
SU(H)
OUTPUT
SET, RESET
OR PRESET
V
CC
50%
90%
10%
50%
90%
t
REM
t
PLH
t
TLH
t
THL
t
H(L)
t
PHL
IC
C
L
50pF
t
SU(L)
t
H(H)
t
r
C
L
t
f
C
L
GND
3V
GND
3V
1.3V
2.7V
0.3V
GND
CLOCK
INPUT
DATA
INPUT
OUTPUT
SET, RESET
OR PRESET
3V
1.3V
1.3V
1.3V
90%
1.3V
90%
110%
t
REM
t
PLH
t
SU(H)
t
TLH
t
THL
t
H(L)
t
PHL
IC
C
L
50pF
t
SU(L)
1.3V
t
H(H)
CD74HC174, CD74HCT174
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