74HC243N Datasheet, PDF (5/17 Pages) NXP Semiconductors – Quad bus transceiver; 3-state

Philips Semiconductors
74HC243
Quad bus transceiver; 3-state
7. Functional description
7.1 Function table
Table 4:
Control
OEA
L
H
L
H
Function table ^[1]
OEB
L
L
H
H
[1] H = HIGH voltage level;
L = LOW voltage level;
Z = high-impedance OFF-state.
8. Limiting values
Input or output
An
input
Z
Z
A=B
Bn
B=A
Z
Z
input
Table 5: Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to
GND (ground = 0 V).
Symbol Parameter
Conditions
Min Max Unit
V_CC
supply voltage
−0.5 +7 V
I_IK
input diode current
V_I < −0.5 V or V_I > V_CC + 0.5 V
-
±20 mA
I_OK
output diode current
V_O < −0.5 V or
V_O > V_CC + 0.5 V
-
±20 mA
I_O
output source or sink
V_O = −0.5 V to V_CC + 0.5 V
current
-
±35 mA
I_CC, I_GND V_CC or GND current
T_stg
storage temperature
-
±70 mA
−65 +150 °C
P_tot
power dissipation
DIP14 package
[1] _-
750 mW
SO14 and SSOP16
packages
[2] _-
500 mW
[1] Above 70 °C: P_tot derates linearly with 12 mW/K.
[2] Above 70 °C: P_tot derates linearly with 8 mW/K.
9397 750 13808
Product data sheet
Rev. 03 — 12 November 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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