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参数资料
| 型号： | 74AHC273PWDH |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 通用总线功能 |
| 英文描述： | Octal D-type flip-flop with reset; positive-edge trigger |
| 中文描述： | AHC SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDSO20 |
| 封装： | 4.40 MM, PLASTIC, SOT-360-1, TSSOP-20 |
| 文件页数： | 11/20页 |
| 文件大小： | 92K |
| 代理商： | 74AHC273PWDH |
1999 Sep 01
11
Philips Semiconductors
Product specification
Octal D-type flip-flop with reset;
positive-edge trigger
74AHC273; 74AHCT273
Type 74AHCT273
Ground = 0 V; t
r
= t
f
≤
3.0 ns.
Note
1.
Typical values at V
CC
= 5.0 V.
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.
V
CC
= 4.5 to 5.5 V;
note 1
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
setup time
D
n
to CP
hold time
D
n
to CP
maximum clock
pulse frequency
see Figs 6 and 9
15 pF
4.0
7.5
1.0
8.8
1.0
9.5
ns
t
PHL
see Figs 7 and 9
3.9
10.0
1.0
11.6
1.0
12.5
ns
f
max
75
120
65
65
ns
t
PHL
/t
PLH
see Figs 6 and 9
50 pF
5.8
9.2
1.0
10.5
1.0
11.5
ns
t
PHL
see Figs 7 and 9
5.6
11.0
1.0
12.6
1.0
14.0
ns
t
W
see Figs 6 and 9
5.0
6.5
6.5
ns
see Figs 7 and 9
5.0
6.0
6.0
ns
t
rem
2.5
2.5
2.5
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
50
75
45
45
ns
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