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参数资料
| 型号： | 74AHC139PWDH |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 通用总线功能 |
| 英文描述： | Dual 2-to-4 line decoder/demultiplexer |
| 中文描述： | AHC SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16 |
| 封装： | 4.40 MM, PLASTIC, SOT-403-1, TSSOP-16 |
| 文件页数： | 8/16页 |
| 文件大小： | 582K |
| 代理商： | 74AHC139PWDH |
1999 Sep 01
8
Philips Semiconductors
Product specification
Dual 2-to-4 line decoder/demultiplexer
74AHC139;
74AHCT139
AC CHARACTERISTICS
Type 74AHC139
Ground = 0 V; t
r
= t
f
≤
3.0 ns.
Notes
1.
2.
Typical values at V
CC
= 3.3 V.
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
= 3.0 to 3.6 V;
note 1
t
PHL
/t
PLH
propagation delay
nA
n
to nY
n
propagation delay
nE to nY
n
propagation delay
nA
n
to nY
n
propagation delay
nE to nY
n
see Figs 5 and 7
15 pF
5.5
11.0
1.0
13.0
1.0
14.0
ns
see Figs 6 and 7
4.8
9.2
1.0
11.0
1.0
11.5
ns
see Figs 5 and 7
50 pF
7.9
14.5
1.0
16.5
1.0
18.5
ns
see Figs 6 and 7
6.9
12.7
1.0
14.5
1.0
16.0
ns
V
CC
= 4.5 to 5.5 V;
note 2
t
PHL
/t
PLH
propagation delay
nA
n
to nY
n
propagation delay
nE to nY
n
propagation delay
nA
n
to nY
n
propagation delay
nE to nY
n
see Figs 5 and 7
15 pF
3.9
7.2
1.0
8.5
1.0
9.0
ns
see Figs 6 and 7
3.4
6.3
1.0
7.5
1.0
8.0
ns
see Figs 5 and 7
50 pF
5.6
9.2
1.0
10.5
1.0
11.5
ns
see Figs 6 and 7
4.9
8.3
1.0
9.5
1.0
10.5
ns
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