5-58

FAST AND LS TTL DATA

SN54/74LS47

GUARANTEED OPERATING RANGES

Symbol

Parameter

Min

Typ

Max

Unit

VCC

Supply Voltage

54

74

4.5

4.75

5.0

5.0

5.5

5.25

V

TA

Operating Ambient Temperature Range

54

74

– 55

0

25

25

125

70

°C

IOH

Output Current — High

BI / RBO

54, 74

– 50

µA

IOL

Output Current — Low

BI / RBO

BI / RBO

54

74

1.6

3.2

mA

VO (off)

Off-State Output Voltage a to g

54, 74

15

V

IO (on)

On-State Output Current a to g

54

74

12

24

mA

Symbol

Parameter

Limits

Unit

Test Conditions

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

VIH

Input HIGH Voltage

2.0

V

Guaranteed Input HIGH Theshold Voltage

for All Inputs

VIL

Input LOW Voltage

54

0.7

V

Guaranteed Input LOW Threshold Voltage

for All Inputs

VIL

Input LOW Voltage

74

0.8

V

Guaranteed Input LOW Threshold Voltage

for All Inputs

VIK

Input Clamp Diode Voltage

– 0.65

– 1.5

V

VCC = MIN, IIN = – 18 mA

VOH

Output HIGH Voltage, BI / RBO

2.4

4.2

V

VCC = MIN, IOH = – 50 µA,

VIN = VIN or VIL per Truth Table

VOH

Output HIGH Voltage, BI / RBO

2.4

4.2

V

VCC = MIN, IOH = – 50 µA,

VIN = VIN or VIL per Truth Table

VOL

Output LOW Voltage

BI / RBO

54, 74

0.25

0.4

V

IOL = 1.6 mA

VCC = MIN, VIN = VIN or

VIL per Truth Table

VOL

Output LOW Voltage

BI / RBO

74

0.35

0.5

V

IOL = 3.2 mA

VCC = MIN, VIN = VIN or

VIL per Truth Table

IO (off)

Off-State Output Current

a thru g

250

µA

VCC = MAX, VIN = VIN or VIL per Truth

Table, VO (off) = 15 V

VO (on)

On-State Output Voltage

a thru g

54, 74

0.25

0.4

V

IO (on) = 12 mA

VCC = MAX, VIN = VIH

or VIL per Truth Table

VO (on)

On-State Output Voltage

a thru g

74

0.35

0.5

V

IO (on) = 24 mA

CC = MAX, VIN = VIH

or VIL per Truth Table

IIH

Input HIGH Current

20

µA

VCC = MAX, VIN = 2.7 V

IIH

Input HIGH Current

0.1

mA

VCC = MAX, VIN = 7.0 V

IIL

Input LOW Current BI / RBO

Any Input except BI / RBO

– 1.2

– 0.4

mA

VCC = MAX, VIN = 0.4 V

IOS BI / RBO

Output Short Circuit Current (Note 1)

– 0.3

–2.0

mA

VCC = MAX, VOUT = 0 V

ICC

Power Supply Current

7.0

13

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

tPHL

tPLH

Propagation Delay, Address

Input to Segment Output

100

100

ns

ns

VCC = 5.0 V

CL = 15 pF

tPHL

tPLH

Propagation Delay, RBI Input

To Segment Output

100

100

ns

ns

VCC = 5.0 V

CL = 15 pF

AC WAVEFORMS

VIN

VOUT

1.3 V

1.3 V

1.3 V

1.3 V

tPHL

tPLH

Figure 1

Figure 2

1.3 V

1.3 V

1.3 V

1.3 V

tPLH

tPHL

VIN

VOUT