CD74HC253

Manufacturer Part NumberCD74HC253
ManufacturerTexas Instruments
CD74HC253 datasheet
 


Specifications of CD74HC253

Technology FamilyHC  
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Data sheet acquired from Harris Semiconductor
SCHS170B
November 1997 - Revised October 2003
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 . . . -55
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL
Logic ICs
• HC Types
- 2V to 6V Operation
- High Noise Immunity: N
= 30%, N
IL
at V
= 5V
CC
• HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
V
= 0.8V (Max), V
= 2V (Min)
IL
IH
- CMOS Input Compatibility, I
l
Pinout
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
©
Copyright
2003, Texas Instruments Incorporated
Description
The 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.
Ordering Information
PART NUMBER
o
o
C to 125
C
CD74HC253E
CD74HC253M
CD74HC253MT
CD74HC253M96
CD74HCT253E
= 30% of V
IH
CC
CD74HCT253M
CD74HCT253MT
CD74HCT253M96
NOTE: When ordering, use the entire part number. The suffix 96
1 A at V
, V
denotes tape and reel. The suffix T denotes a small-quantity reel
OL
OH
of 250.
CD74HC253, CD74HCT253
(PDIP, SOIC)
TOP VIEW
16
V
1OE
1
CC
S1
2
15
2OE
1I
3
14
S0
3
1I
4
13
2I
3
2
1I
5
12
2I
1
2
1I
6
11
2I
1
0
1Y
7
10
2I
0
GND
8
9
2Y
1
CD74HC253,
CD74HCT253
High-Speed CMOS Logic
Dual 4-Input Multiplexer
o
TEMP. RANGE (
C)
PACKAGE
-55 to 125
16 Ld PDIP
-55 to 125
16 Ld SOIC
-55 to 125
16 Ld SOIC
-55 to 125
16 Ld SOIC
-55 to 125
16 Ld PDIP
-55 to 125
16 Ld SOIC
-55 to 125
16 Ld SOIC
-55 to 125
16 Ld SOIC
1

CD74HC253 Summary of contents

  • Page 1

    ... Copyright 2003, Texas Instruments Incorporated Description The 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. ...

  • Page 2

    ... High Voltage Level Low Voltage Level Don’t Care High Impedance (Off). NOTE: 1. Select inputs S1 and S0 are common to both sections. CD74HC253, CD74HCT253 TRUTH TABLE DATA INPUTS ...

  • Page 3

    ... Low Level Output Voltage TTL Loads Input Leakage Current GND CD74HC253, CD74HCT253 Thermal Information Thermal Resistance (Typical, Note 2) E (PDIP) Package . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA M (SOIC) Package Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150 20mA Maximum Storage Temperature Range . . . . . . . . . .-65 Maximum Lead Temperature (Soldering 10s 300 ...

  • Page 4

    ... NOTE: Unit Load is I limit specifi Electrical Table, e.g 360 A max Switching Specifications Input PARAMETER SYMBOL HC TYPES Propagation Delay t PLH, t PHL Select to Outputs CD74HC253, CD74HCT253 TEST (mA) (V) MIN TYP 4 ...

  • Page 5

    ... C O Power Dissipation Capacitance C PD (Notes 4, 5) NOTES used to determine the dynamic power consumption, per multiplexer where f = Input Frequency CD74HC253, CD74HCT253 = 6ns (Continued TEST V CC CONDITIONS (V) MIN TYP C = 50pF 4 =15pF ...

  • Page 6

    ... FIGURE 3. HC THREE-STATE PROPAGATION DELAY WAVEFORM OTHER INPUTS TIED HIGH OR LOW OUTPUT DISABLE NOTE: Open drain waveforms t and t PLZ PZL 50pF FIGURE 5. HC AND HCT THREE-STATE PROPAGATION DELAY TEST CIRCUIT CD74HC253, CD74HCT253 t = 6ns t = 6ns INPUT GND t TLH 90% 50% INVERTING 10% OUTPUT FIGURE 2 ...

  • Page 7

    ... PACKAGING INFORMATION (1) Orderable Device Status CD74HC253E ACTIVE CD74HC253EE4 ACTIVE CD74HC253M ACTIVE CD74HC253ME4 ACTIVE CD74HC253MG4 ACTIVE CD74HC253MT ACTIVE CD74HC253MTE4 ACTIVE CD74HC253MTG4 ACTIVE CD74HCT253E ACTIVE CD74HCT253EE4 ACTIVE CD74HCT253M ACTIVE CD74HCT253M96 ACTIVE CD74HCT253M96E4 ACTIVE CD74HCT253M96G4 ACTIVE CD74HCT253ME4 ACTIVE CD74HCT253MG4 ACTIVE CD74HCT253MT ACTIVE ...

  • Page 8

    TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package lead-based ...

  • Page 9

    TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Type Drawing CD74HCT253M96 SOIC D PACKAGE MATERIALS INFORMATION Pins SPQ Reel Reel A0 (mm) Diameter Width (mm) W1 (mm) 16 2500 330.0 16.4 6.5 Pack Materials-Page 1 19-Mar-2008 ...

  • Page 10

    Device Package Type CD74HCT253M96 SOIC PACKAGE MATERIALS INFORMATION Package Drawing Pins SPQ Length (mm 2500 Pack Materials-Page 2 19-Mar-2008 Width (mm) Height (mm) 333.2 345.9 28.6 ...

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  • Page 14

    ... Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’ ...