5-501

FAST AND LS TTL DATA

SN54/74LS348

• SN54/74LS848

Symbol

Parameter

Limits

Unit

Test Conditions

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

VIH

Input HIGH Voltage

2.0

V

Guaranteed Input HIGH Voltage for

All Inputs

VIL

Input LOW Voltage

54

0.7

V

Guaranteed Input LOW Voltage for

All Inputs

VIL

Input LOW Voltage

74

0.8

V

Guaranteed Input LOW Voltage for

All Inputs

VIK

Input Clamp Diode Voltage

– 0.65

– 1.5

V

VCC = MIN, IIN = – 18 mA

VOH

Output HIGH Voltage

A0, A1, A2

54, 74

2.4

3.1

V

VCC = MIN, IOH = MAX, VIN = VIH

or VIL per Truth Table

VOH

EO, GS

54

2.5

3.5

V

VCC = MIN, IOH = MAX, VIN = VIH

or VIL per Truth Table

EO, GS

74

2.7

3.5

V

VOL

Output LOW Voltage

EO, GS

54, 74

0.25

0.4

V

IOL = 4.0 mA

VCC = VCC MIN,

VIN = VIL or VIH

per Truth Table

VOL

Output LOW Voltage

EO, GS

74

0.35

0.5

V

IOL = 8.0 mA

VIN = VIL or VIH

per Truth Table

VOL

Output LOW Voltage

A0, A1, A2

54, 74

0.25

0.4

V

IOL = 12 mA

VCC = VCC MIN,

VIN = VIL or VIH

per Truth Table

VOL

Output LOW Voltage

A0, A1, A2

74

0.35

0.5

V

IOL = 24 mA

VIN = VIL or VIH

per Truth Table

IOZH

Output Off Current HIGH

20

µA

VCC = MAX, VOUT = 2.7 V

IOZL

Output Off Current LOW

–20

µA

VCC = MAX, VOUT = 0.4 V

IIH

Input HIGH Current

Input 0, EI — LS348

20

µA

VCC = MAX, VIN = 2.7 V

IIH

Input 0 — LS848

40

µA

VCC = MAX, VIN = 2.7 V

IIH

Other — LS348

Other — LS848

40

60

µA

µA

CC = MAX, VIN = 2.7 V

IIH

Input HIGH Current

Input 0, EI — LS348

0.1

mA

VCC = MAX, VIN = 7.0 V

Input 0 — LS848

0.2

mA

VCC = MAX, VIN = 7.0 V

Other — LS348

Other — LS848

0.2

0.3

mA

mA

CC = MAX, VIN = 7.0 V

IIL

Input LOW Current

Input 0, EI — LS348

– 0.4

mA

VCC = MAX, VIN = 0.4 V

IIL

Input 0 — LS848

– 0.8

mA

VCC = MAX, VIN = 0.4 V

IL

Other — LS348

Other — LS848

– 0.8

– 1.2

mA

mA

CC = MAX, VIN = 0.4 V

IOS

Short Circuit Current (Note 1)

EO, GS

– 20

– 120

mA

VCC = MAX

IOS

EO, GS

A0, A1, A2

– 30

– 130

mA

VCC = MAX

ICC

Power Supply Current

Total, Output HIGH

12

23

mA

VCC = MAX

All Inputs and Outputs Open

ICC

Total, Output LOW

13

25

mA

VCC = MAX, Inputs 7, EI = GND

All Others Open

Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.