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HD74HC253 Datasheet, PDF (2/7 Pages) Hitachi Semiconductor – Dual 4-to-1-line Data Selectors/Multiplexers (with 3-state outputs)
HD74HC253
Pin Arrangement
Output
control
1G
1
Select B 2
3 1C3
4 1C2
5
6
Output 1Y 7
1C1
B
1C0 B
A
1Y A
GND 8
16 VCC
15
2G
Output
control
14 A Select
2C3 13
2C2 12
B
B 2C1 11
A
A 2C0 10
2Y 9 2Y Output
(Top view)
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage range
VCC
–0.5 to 7.0
V
Input / Output voltage
VIN, VOUT
–0.5 to VCC +0.5
V
Input / Output diode current
IIK, IOK
±20
mA
Output current
IO
±25
mA
VCC, GND current
ICC or IGND
±50
mA
Power dissipation
PT
500
mW
Storage temperature
Tstg
–65 to +150
°C
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of
which may be realized at the same time.
Recommended Operating Conditions
Item
Symbol
Ratings
Supply voltage
VCC
2 to 6
Input / Output voltage
VIN, VOUT
0 to VCC
Operating temperature
Input rise / fall time*1
Ta
–40 to 85
tr, tf
0 to 1000
0 to 500
0 to 400
Notes: 1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
Unit
V
V
°C
ns
Conditions
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
Rev.2.00 Jan 31, 2006 page 2 of 6