参数资料
型号: 74AHC273
厂商: NXP Semiconductors N.V.
英文描述: Octal D-type flip-flop with reset;positive-edge trigger(带复位的八D触发器;上升沿触发)
中文描述: 八路D型触发器的复位触发器,积极边缘触发器(带复位的八?触发器;上升沿触发)
文件页数: 10/20页
文件大小: 92K
代理商: 74AHC273
1999 Sep 01
10
Philips Semiconductors
Product specification
Octal D-type flip-flop with reset;
positive-edge trigger
74AHC273; 74AHCT273
Notes
1.
2.
Typical values at V
CC
= 3.3 V.
Typical values at V
CC
= 5.0 V.
V
CC
= 4.5 to 5.5 V;
note 2
t
PHL
/t
PLH
propagation delay
CP to Q
n
propagation delay
MR to Q
n
maximum clock
pulse frequency
propagation delay
CP to Q
n
propagation delay
MR to Q
n
clock pulse width
HIGH or LOW
master reset
pulse width LOW
removal time
MR to CP
set-up time
D
n
to CP
hold time
D
n
to CP
maximum clock
pulse frequency
see Figs 6 and 9
15 pF
4.2
9.0
1.0
10.5
1.0
11.5
ns
t
PHL
see Figs 7 and 9
3.7
8.5
1.0
10.0
1.0
11.0
ns
f
max
120
165
100
100
ns
t
PHL
/t
PLH
see Figs 6 and 9
50 pF
6.0
11.0
1.0
12.5
1.0
14.0
ns
t
PHL
see Figs 7 and 9
5.3
10.5
1.0
12.0
1.0
13.5
ns
t
W
see Figs 6 and 9
5.0
5.0
5.0
ns
see Figs 7 and 9
5.0
5.0
5.0
ns
t
rem
2.0
2.0
2.0
ns
t
su
see Figs 8 and 9
3.0
3.0
3.0
ns
t
h
1.0
1.0
1.0
ns
f
max
80
110
70
70
ns
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
(
°
C)
UNIT
WAVEFORMS
C
L
25
40 to +85
40 to +125
MIN.
TYP.
MAX.
MIN.
MAX.
MIN.
MAX.
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