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© Koninklijke Philips Electronics N.V. 2004. All rights reserved.

Product data sheet

Rev. 03 — 12 November 2004

8 of 17

Philips Semiconductors

74HC243

Quad bus transceiver; 3-state

11. Dynamic characteristics

LOW-level output voltage

-

-

-

0.1

V

-

-

0.1

V

-

-

0.1

V

-

-

0.4

V

-

-

0.4

V

input leakage current

-

-

±1.0

µA

3-state OFF-state current

--

±10.0

µA

quiescent supply current

-

-

160

µA

Table 7:

At recommended operating conditions; voltages are referenced to GND (ground = 0 V).

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 8:

Dynamic characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

propagation delay An to Bn; Bn to An

see Figure 5

-

22

90

ns

-

8

18

ns

-

6

15

ns

-

6

-

ns

3-state output enable time OEA to An or Bn;

OEB to An or Bn

see Figure 6 and 7

-

50

150

ns

-

18

30

ns

-

14

26

ns

3-state output disable time OEA to An or Bn;

OEB to An or Bn

see Figure 6 and 7

-

61

165

ns

-

22

33

ns

-

18

28

ns

output transition time

see Figure 5

-

14

60

ns

-

5

12

ns

-

4

10

ns

power dissipation capacitance per transceiver

[1] -26

-

pF

propagation delay An to Bn; Bn to An

see Figure 5

-

-

115

ns

-

-

23

ns

-

-

20

ns