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CD74HC253 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. CD74HC253
Description  High Speed CMOS Logic Dual 4-Input Multiplexer
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD74HC253 Datasheet(HTML) 1 Page - Texas Instruments

   
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Data sheet acquired from Harris Semiconductor
SCHS170
Features
• Common Select Inputs
• Separate Output-Enable Inputs
• Three-State Outputs
• Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature Range . . . -55oC to 125oC
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL
Logic ICs
• HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC
at VCC = 5V
• HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
VIL= 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH
Description
The Harris CD74HC253 and CD74HCT253 are dual 4-to-1
line selector/multiplexers having three-state outputs. One of
four sources for each section is selected by the common
select inputs, S0 and S1. When the output enable (1OE,
2OE) is HIGH, the output is in the high-impedance state.
Pinout
CD74HC253, CD74HCT253
(PDIP, SOIC)
TOP VIEW
Ordering Information
PART NUMBER
TEMP. RANGE (oC)
PACKAGE
PKG.
NO.
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
1OE
S1
1I3
1I2
1I1
1I0
GND
1Y
VCC
S0
2I3
2I2
2I1
2I0
2Y
2OE
November 1997
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
© Harris Corporation 1997
File Number
1673.1
CD74HC253,
CD74HCT253
High Speed CMOS Logic
Dual 4-Input Multiplexer
[ /Title
(CD74
HC253
,
CD74
HCT25
3)
/Sub-
ject
(High
Speed
CMOS
Logic
Dual
4-Input
Multi-
plexer)


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