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HD74HC253 Datasheet(PDF) 4 Page - Renesas Technology Corp

Part # HD74HC253
Description  Dual 4-to-1-line Data Selectors/Multiplexers (with 3-state outputs)
PDF  7 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD74HC253 Datasheet(HTML) 4 Page - Renesas Technology Corp

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HD74HC253
Rev.2.00 Jan 31, 2006 page 4 of 6
Switching Characteristics
(CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C
Ta = –40 to +85°C
Item
Symbol VCC (V)
Min
Typ
Max
Min
Max
Unit
Test Conditions
2.0
—
—
125
—
155
4.5
—
18
25
—
31
tPLH
tPHL
6.0
—
—
21
—
26
ns
Data to Y
2.0
—
—
160
—
200
4.5
—
20
32
—
40
Propagation delay
time
tPLH
tPHL
6.0
—
—
27
—
34
ns
Select to Y
2.0
—
—
100
—
125
4.5
—
11
20
—
25
Output enable time
tZH
tZL
6.0
—
—
17
—
21
ns
2.0
—
—
150
—
190
4.5
—
15
30
—
38
Output disable
time
tHZ
tLZ
6.0
—
—
26
—
33
ns
2.0
—
—
75
—
95
4.5
—
5
15
—
19
Output rise/fall
time
tTLH
tTHL
6.0
—
—
13
—
16
ns
Input capacitance
Cin
—
—
5
10
—
10
pF
Test Circuit
VCC
OPEN
GND
C =
50 pF
1G
Zout = 50
Ω
Input
1 k
Ω
VCC
VCC
S1
L
Output
VCC
TEST
S1
t
/ t
PLH
PHL
OPEN
GND
t
/ t
ZH
HZ
t
/ t
ZL
LZ
1C0 to 1C3
1Y
OPEN
GND
C =
50 pF
1 k
Ω
VCC
S1
L
Output
2Y
2C0 to 2C3
A
B
Note : 1. CL includes probe and jig capacitance.
Pulse Generator
2G



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