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參數(shù)資料
| 型號(hào)： | 74HC_HCT151 |
| 英文描述： | 74HC/HCT151 8-input multiplexer |
| 中文描述： | 74HC/HCT151 8輸入多路復(fù)用器 |
| 文件頁(yè)數(shù)： | 2/7頁(yè) |
| 文件大?。?/td> | 48K |
| 代理商： | 74HC_HCT151 |
December 1990
2
Philips Semiconductors
Product specification
8-input multiplexer
74HC/HCT151
FEATURES
True and complement outputs
Multifunction capability
Permits multiplexing from n lines to 1 line
Non-inverting data path
See the “251” for the 3-state version
Output capability: standard
I
CC
category: MSI
GENERAL DESCRIPTION
The 74HC/HCT151 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL).
They are specified in compliance with JEDEC standard no. 7A.
QUICK REFERENCE DATA
GND = 0 V; T
amb
= 25
°
C; t
r
= t
f
= 6 ns
Notes
1.
C
PD
is used to determine the dynamic power dissipation (P
D
in
μ
W):
P
D
= C
PD
×
V
CC2
×
f
i
+ ∑
(C
L
×
V
CC2
×
f
o
) where:
f
i
= input frequency in MHz
f
o
= output frequency in MHz
∑
(C
L
×
V
CC2
×
f
o
) = sum of outputs
C
L
= output load capacitance in pF
V
CC
= supply voltage in V
For HC the condition is V
I
= GND to V
CC
For HCT the condition is V
I
= GND to V
CC
1.5 V
2.
ORDERING INFORMATION
See
“74HC/HCT/HCU/HCMOS Logic Package Information”
.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
HC
HCT
t
PHL
/ t
PLH
propagation delay
I
n
to Y, Y
S
n
to Y, Y
E to Y
E to Y
input capacitance
power dissipation capacitance per package
C
L
= 15 pF; V
CC
= 5 V
17
19
12
14
3.5
40
19
20
13
18
3.5
40
ns
ns
ns
ns
pF
pF
C
I
C
PD
notes 1 and 2
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| 74HCT00 | 制造商:HAR 功能描述:74HCT00 制造商:NTE Electronics 功能描述: |
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