4-61

FAST AND LS TTL DATA

MC54/74F148

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)

Limits

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

VIH

Input HIGH Voltage

2.0

V

Guaranteed Input HIGH Voltage

VIL

Input LOW Voltage

0.8

V

Guaranteed Input LOW Voltage

VIK

Input Clamp Diode Voltage

–1.2

V

IIN = –18 mA

VCC = MIN

VOH

Output HIGH Voltage

54, 74

2.5

3.4

V

IOH = –1.0 mA

VCC = 4.50 V

74

2.7

3.4

V

IOH = –1.0 mA

VCC = 4.75 V

VOL

Output LOW Voltage

0.35

0.5

V

IOL = 20 mA

VCC = MIN

IIH

Input HIGH Current

20

µA

VCC = MAX, VIN = 2.7 V

100

µA

VCC = MAX, VIN = 7.0 V

IIL

I0, E1

–0.6

mA

VCC = MAX, VIN = 0.5 V

IIL

I1–I7

–1.2

mA

VCC = MAX, VIN = 0.5 V

IOS

Output Short Circuit Current (Note 2)

-60

–150

mA

VCC = MAX, VOUT = 0 V

ICC

Power Supply Current

23

35

mA

VCC = MAX, VIN = 4.5 V

NOTES:

1. For conditions shown as MIN or MAX, use the appropriate value specified under guaranteed operating ranges.

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

AC CHARACTERISTICS

54/74F

54F

74F

TA = +25°C

VCC = +5.0 V

CL = 50 pF

TA = –55°C to +125°C

VCC = 5.0 V ± 10%

CL = 50 pF

TA = 0°C to 70°C

VCC = 5.0 V ± 10%

CL = 50 pF

Symbol

Parameter

Min

Typ

Max

Min

Max

Min

Max

Unit

tPLH

Propagation Delay

3.5

7.0

9.0

3.5

11

3.5

10

ns

tPHL

In to An

4.0

8.0

10.5

4.0

13

4.0

12

ns

tPLH

Propagation Delay

2.5

5.0

6.5

2.5

8.5

2.5

7.5

ns

tPHL

In to EO

2.0

5.5

7.5

2.0

9.5

2.0

8.5

ns

tPLH

Propagation Delay

3.0

7.0

9.0

3.0

11

3.0

10

ns

tPHL

In to GS

2.0

6.0

8.0

2.0

10

2.0

9.0

ns

tPLH

Propagation Delay

3.5

6.5

8.5

3.5

10.5

3.5

9.5

ns

tPHL

E1 to An

3.0

6.0

8.0

3.0

10

3.0

9.0

ns

tPLH

Propagation Delay

2.5

5.0

7.0

2.5

9.0

2.5

8.0

ns

tPHL

E1 to GS

3.0

6.0

7.5

3.0

10

3.0

8.5

ns

tPLH

Propagation Delay

3.0

5.5

7.0

3.0

9.0

3.0

8.0

ns

tPHL

E1 to EO

4.5

8.0

10.5

4.5

13

4.5

12

ns