SN74LS245M データシートの表示（PDF） - ON Semiconductor

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SN74LS245M

Octal Bus Transceiver

ON Semiconductor 

SN74LS245

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 for

All Inputs

VIL

Input LOW Voltage

0.8

V

Guaranteed Input LOW Voltage for

All Inputs

VT+–VT–

VIK

VOH

Hysteresis

Input Clamp Diode Voltage

Output HIGH Voltage

VOL

IOZH

IOZL

IIH

IIL

IOS

ICC

Output LOW Voltage

Output Off Current HIGH

Output Off Current LOW

Input HIGH Current

A or B, DR or

E

DR or E

A or B

Input LOW Current

Output Short Circuit Current (Note 1)

Power Supply Current

Total, Output HIGH

Total, Output LOW

0.2

0.4

V

VCC = MIN

– 0.65 – 1.5

V

VCC = MIN, IIN = – 18 mA

2.4

3.4

V

VCC = MIN, IOH = – 3.0 mA

2.0

V

VCC = MIN, IOH = MAX

0.25 0.4

0.35 0.5

V

IOL = 12 mA VCC = VCC MIN,

VIN = VIL or VIH

V

IOL = 24 mA per Truth Table

20

µA VCC = MAX, VOUT = 2.7 V

– 200 µA VCC = MAX, VOUT = 0.4 V

20

µA VCC = MAX, VIN = 2.7 V

0.1

mA VCC = MAX, VIN = 7.0 V

0.1

mA VCC = MAX, VIN = 5.5 V

– 0.2 mA VCC = MAX, VIN = 0.4 V

– 40

– 225 mA VCC = MAX

70

90

mA VCC = MAX

Total at HIGH Z

95

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

AC CHARACTERISTICS (TA = 25°C, VCC = 5.0 V, TRISE / TFALL ≤ 6.0 ns)

Limits

Symbol

Parameter

Min Typ Max Unit

tPLH

tPHL

Propagation Delay, Data to Output

8.0

8.0

12

12

ns

tPZH

Output Enable Time to HIGH Level

25

40

ns

tPZL

Output Enable Time to LOW Level

27

40

ns

tPLZ

Output Disable Time from LOW Level

15

25

ns

tPHZ

Output Disable Time from HIGH Level

15

25

ns

Test Conditions

CL = 45 pF,

RL = 667 Ω

CL = 5.0 pF,

RL = 667 Ω

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