參數(shù)資料
型號(hào): 74HC109PW
廠(chǎng)商: NXP SEMICONDUCTORS
元件分類(lèi): 通用總線(xiàn)功能
英文描述: Dual JK flip-flop with set and reset; positive-edge trigger
中文描述: HC/UH SERIES, DUAL POSITIVE EDGE TRIGGERED J-KBAR FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO16
文件頁(yè)數(shù): 6/9頁(yè)
文件大?。?/td> 65K
代理商: 74HC109PW
1997 Nov 25
6
Philips Semiconductors
Product specification
Dual JK flip-flop with set and reset;
positive-edge trigger
74HC/HCT109
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
.
Output capability: standard
I
CC
category: flip-flops
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HCT
V
CC
(V)
WAVEFORMS
+
25
40 to
+
85
40 to
+
125
min.
typ.
max.
min.
max.
min.
max.
t
PHL
/ t
PLH
propagation delay
nCP to nQ, nQ
propagation delay
nS
D
to nQ
propagation delay
nS
D
to nQ
propagation delay
nR
D
to nQ
propagation delay
nR
D
to nQ
output transition time
clock pulse width
HIGH or LOW
set or reset pulse width
HIGH or LOW
removal time
nS
D
, nR
D
to nCP
set-up time
nJ, nK to nCP
hold time
nJ, nK to nCP
maximum clock
pulse frequency
20
35
44
53
ns
4.5
Fig.6
t
PLH
13
26
33
39
ns
4.5
Fig.7
t
PHL
19
35
44
53
ns
4.5
Fig.7
t
PHL
19
35
44
53
ns
4.5
Fig.7
t
PLH
16
32
40
48
ns
4.5
Fig.7
t
THL
/ t
TLH
7
15
19
22
ns
4.5
Fig.6
t
W
18
9
23
27
ns
4.5
Fig.6
t
W
16
8
20
24
ns
4.5
Fig.7
t
rem
16
8
20
24
ns
4.5
Fig.7
t
su
18
8
23
27
ns
4.5
Fig.6
t
h
3
3
3
3
ns
4.5
Fig.6
f
max
27
55
22
18
MHz
4.5
Fig.6
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