English
Language : 

74HC243N Datasheet, PDF (8/17 Pages) NXP Semiconductors – Quad bus transceiver; 3-state
Philips Semiconductors
74HC243
Quad bus transceiver; 3-state
Table 7: Static characteristics …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min Typ Max Unit
VOL
LOW-level output voltage
VI = VIH or VIL
-
IO = 20 µA; VCC = 2.0 V
-
-
0.1
V
IO = 20 µA; VCC = 4.5 V
-
-
0.1
V
IO = 20 µA; VCC = 6.0 V
-
-
0.1
V
IO = 6.0 mA; VCC = 4.5 V
-
-
0.4
V
IO = 7.8 mA; VCC = 6.0 V
-
-
0.4
V
ILI
input leakage current
VI = VCC or GND; VCC = 6.0 V
-
-
±1.0 µA
IOZ
3-state OFF-state current
VI = VIH or VIL; VCC = 6.0 V;
VO = VCC or GND
-
-
±10.0 µA
ICC
quiescent supply current
VI = VCC or GND; IO = 0 A;
VCC = 6.0 V
-
-
160 µA
11. Dynamic characteristics
Table 8: Dynamic characteristics
GND = 0 V; tr = tf = 6 ns; CL = 50 pF; RL = 1000 Ω; see Figure 8.
Symbol Parameter
Conditions
Tamb = 25 °C
tPHL, tPLH propagation delay An to Bn; Bn to An
see Figure 5
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
VCC = 5.0 V; CL = 15 pF
tPZH, tPZL
3-state output enable time OEA to An or Bn; see Figure 6 and 7
OEB to An or Bn
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
tPHZ, tPLZ
3-state output disable time OEA to An or Bn; see Figure 6 and 7
OEB to An or Bn
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
tTHL, tTLH output transition time
see Figure 5
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
CPD
power dissipation capacitance per transceiver VI = GND to VCC
Tamb = −40 °C to +85 °C
tPHL, tPLH propagation delay An to Bn; Bn to An
see Figure 5
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
Min Typ Max Unit
-
22 90 ns
-
8 18 ns
-
6 15 ns
-
6-
ns
-
50 150 ns
-
18 30 ns
-
14 26 ns
-
61 165 ns
-
22 33 ns
-
18 28 ns
-
14 60 ns
-
5 12 ns
-
4 10 ns
[1] -
26 -
pF
-
-
115 ns
-
-
23 ns
-
-
20 ns
9397 750 13808
Product data sheet
Rev. 03 — 12 November 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
8 of 17