SN54HC05, SN74HC05

HEX INVERTERS

WITH OPEN-DRAIN OUTPUTS

SCLS080B – MARCH 1984 – REVISED MAY 1997

3

POST OFFICE BOX 655303

(unless otherwise noted) (see Figure 1)

PARAMETER

FROM

TO

VCC

TA = 25°C

SN54HC05

SN74HC05

UNIT

PARAMETER

(INPUT)

(OUTPUT)

VCC

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

2 V

60

115

175

145

tPLH

A

Y

4.5 V

13

23

35

29

ns

6 V

10

20

30

25

2 V

45

85

130

105

tPHL

A

Y

4.5 V

9

17

26

21

ns

6 V

8

14

22

18

2 V

38

75

110

95

tf

Y

4.5 V

8

15

22

19

ns

6 V

6

13

19

16

PARAMETER

TEST CONDITIONS

TYP

UNIT

Cpd

Power dissipation capacitance per inverter

No load

20

pF

PARAMETER MEASUREMENT INFORMATION

VOLTAGE WAVEFORMS

PROPAGATION DELAY AND OUTPUT TRANSITION TIMES

50%

50%

10%

10%

90%

VCC

VOH

VOL

0 V

tf

Input

In-Phase

Output

50%

tPLH

tPHL

50%

10%

10%

90%

VOH

VOL

tf

tPHL

tPLH

Out-of-Phase

Output

LOAD CIRCUIT

Test

Point

From Output

Under Test

CL = 50 pF

(see Note A)

VCC

RL = 1 kΩ

NOTES: A. CL includes probe and test-fixture capacitance.

B. Phase relationships between waveforms were chosen arbitrarily. All input pulses are supplied by generators having the following

characteristics: PRR

≤ 1 MHz, ZO = 50 Ω, tr = 6 ns, tf = 6 ns.

C. The outputs are measured one at a time with one input transition per measurement.

VOLTAGE WAVEFORM

INPUT RISE AND FALL TIMES

50%

50%

10%

10%

90%

90%

VCC

0 V

tr

tf

Input

Figure 1. Load Circuit and Voltage Waveforms