Texas Instruments CD74HCT253M96, CD74HCT253E, CD74HC253M, CD74HC253E, CD74HCT253M Datasheet

1

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 . . . -55

o

C 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: N

IL

= 30%, NIH = 30% of V

CC

at VCC = 5V

• HCT Types

- 4.5V to 5.5V Operation

- Direct LSTTL Input Logic Compatibility,
V

IL

= 0.8V (Max), VIH = 2V (Min)

- CMOS Input Compatibility, I

l

≤ 1µA at VOL, V

OH

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

1I

3

1I

2

1I

1

1I

0

GND

1Y

V

CC

S0
2I

3

2I

2

2I

1

2I

0

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-

j

ect
(High
Speed
CMOS
Logic
Dual
4-Input
Multi­plexer)

2

Functional DiagramS

TRUTH TABLE

SELECT INPUTS DATA INPUTS

OUTPUT
ENABLE OUTPUT

S1 S0 I

0

I

1

I

2

I

3

OE Y

XXXXXXHZ
LLLXXXLL
LLHXXXLH
LHXLXXLL
LHXHXXLH
HLXXLXLL
HLXXHXLH
HHXXXLLL
HHXXXHLH

NOTE:
Select inputs S1 and S0 are common to both sections.
H = High Voltage Level, L = Low Voltage Level, X = Don’t Care, Z = High Impedance (Off).

2OE

2I

3

2I

2

2I

1

2I

0

S

0

S

1

1I

0

1I

1

1I

2

1I

3

1OE

15 13 12 11 10 14 2 6 5 4 3 1

2OE

2OE

1OE

1OE

PN PN

2OE 2OE

9

2Y

1OE

1OE

7

1Y

16

8

V

CC

GND

CD74HC253, CD74HCT253

3

Absolute Maximum Ratings Thermal Information

DC Supply Voltage, VCC. . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 7V

DC Input Diode Current, I

IK

For VI < -0.5V or VI > VCC + 0.5V. . . . . . . . . . . . . . . . . . . . . .±20mA

DC Output Diode Current, I

OK

For VO < -0.5V or VO > VCC + 0.5V . . . . . . . . . . . . . . . . . . . .±20mA

DC Drain Current, per Output, I

O

For -0.5V < VO < VCC + 0.5V. . . . . . . . . . . . . . . . . . . . . . . . . .±35mA

DC Output Source or Sink Current per Output Pin, I

O

For VO > -0.5V or VO < VCC + 0.5V . . . . . . . . . . . . . . . . . . . .±25mA

DC VCC or Ground Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . .±50mA

Operating Conditions

Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC

Supply Voltage Range, V

CC

HC Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2V to 6V

HCT Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5V to 5.5V

DC Input or Output Voltage, VI, VO . . . . . . . . . . . . . . . . . 0V to V

CC

Input Rise and Fall Time

2V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000ns (Max)

4.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500ns (Max)

6V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400ns (Max)

Thermal Resistance (Typical, Note 3) θJA (oC/W)

PDIP Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

SOIC Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150oC

Maximum Storage Temperature Range . . . . . . . . . .-65oC to 150oC

Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300oC

(SOIC - Lead Tips Only)

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTE:

3. θJA is measured with the component mounted on an evaluation PC board in free air.

DC Electrical Specifications

PARAMETER SYMBOL

TEST

CONDITIONS

V

CC

(V)

25

o

C -40oC TO 85oC -55oC TO 125oC

UNITSV

I

(V) IO(mA) MIN TYP MAX MIN MAX MIN MAX

HC TYPES

High Level Input
Voltage

V

IH

- - 2 1.5 - - 1.5 - 1.5 - V

4.5 3.15 - - 3.15 - 3.15 - V
6 4.2 - - 4.2 - 4.2 - V

Low Level Input
Voltage

V

IL

- - 2 - - 0.5 - 0.5 - 0.5 V

4.5 - - 1.35 - 1.35 - 1.35 V
6 - - 1.8 - 1.8 - 1.8 V

High Level Output
Voltage
CMOS Loads

V

OH

VIHor VIL-0.02 2 1.9 - - 1.9 - 1.9 - V

-0.02 4.5 4.4 - - 4.4 - 4.4 - V

-0.02 6 5.9 - - 5.9 - 5.9 - V

High Level Output
Voltage
TTL Loads

- - ---- - - - V

-6 4.5 3.98 - - 3.84 - 3.7 - V

-7.8 6 5.48 - - 5.34 - 5.2 - V

Low Level Output
Voltage
CMOS Loads

V

OL

VIHor VIL0.02 2 - - 0.1 - 0.1 - 0.1 V

0.02 4.5 - - 0.1 - 0.1 - 0.1 V

0.02 6 - - 0.1 - 0.1 - 0.1 V

Low Level Output
Voltage
TTL Loads

- - ---- - - - V

-6 4.5 - - 0.26 - 0.33 - 0.4 V

-7.8 6 - - 0.26 - 0.33 - 0.4 V

Input Leakage
Current

I

I

VCC or

GND

-6--±0.1 - ±1-±1 µA

CD74HC253, CD74HCT253