5-76

FAST AND LS TTL DATA

SN54/74LS75

LOGIC SYMBOLS

VCC = PIN 5

GND = PIN 12

2

3

6

7

16 1 15 14 10 11 9

8

D0

D1

D2

D3

13

4

E0–1

E2–3

Q0 Q1

Q2

Q3

Q0

Q1

Q2

Q3

SN54/74LS75

VCC = PIN 4

GND = PIN 11

NC = PIN 7, 10

1

2

5

6

14

13

9

8

D0

D1

D2

D3

12

3

E0–1

E2–3

Q0

Q3

Q1

Q2

SN54/74LS77

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

54

2.5

3.5

V

VCC = MIN, IOH = MAX, VIN = VIH

or VIL per Truth Table

VOH

Output HIGH Voltage

74

2.7

3.5

V

VCC = MIN, IOH = MAX, VIN = VIH

or VIL per Truth Table

VOL

Output LOW Voltage

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

74

0.35

0.5

V

IOL = 8.0 mA

VIN = VIL or VIH

per Truth Table

IIH

Input HIGH Current

D Input

E Input

20

80

µA

VCC = MAX, VIN = 2.7 V

IIH

Input HIGH Current

D Input

E Input

0.1

0.4

mA

VCC = MAX, VIN = 7.0 V

IIL

Input LOW Current

D Input

E Input

– 0.4

–1.6

mA

VCC = MAX, VIN = 0.4 V

IOS

Short Circuit Current (Note 1)

– 20

–100

mA

VCC = MAX

ICC

Power Supply Current

12

mA

VCC = MAX

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

Symbol

Parameter

Limits

Unit

Test Conditions

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

tPLH

tPHL

Propagation Delay, Data to Q

15

9.0

27

17

ns

VCC = 5.0 V

CL = 15 pF

tPLH

tPHL

Propagation Delay, Data to Q

12

7.0

20

15

ns

VCC = 5.0 V

CL = 15 pF

tPLH

tPHL

Propagation Delay, Enable to Q

15

14

27

25

ns

VCC = 5.0 V

CL = 15 pF

tPLH

tPHL

Propagation Delay, Enable to Q

16

7.0

30

15

ns