Data Sheet

©1994 Fairchild Semiconductor Corporation www.fairchildsemi.com
74LCX245 — Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs
Dynamic Switching Characteristics
Capacitance
Symbol Parameter V
CC
(V) Conditions
T
A
= 25°C
UnitTypical
V
OLP
Quiet Output Dynamic Peak V
OL
3.3 C
L
= 50pF, V
IH
= 3.3V, V
IL
= 0V 0.8 V
2.5 C
L
= 30pF, V
IH
= 2.5V, V
IL
= 0V 0.6
V
OLV
Quiet Output Dynamic Valley V
OL
3.3 C
L
= 50pF, V
IH
= 3.3V, V
IL
= 0V –0.8 V
2.5 C
L
= 30pF, V
IH
= 2.5V, V
IL
= 0V –0.6
Symbol Parameter Conditions Typical Units
C
IN
Input Capacitance V
CC
= Open, V
I
= 0V or V
CC
7.0 pF
C
OUT
Output Capacitance V
CC
= 3.3V, V
I
= 0V or V
CC
8.0 pF
C
PD
Power Dissipation Capacitance V
CC
= 3.3V, V
I
= 0V or V
CC
, f = 10MHz 25.0 pF
74LCX245 Rev. 1.11.1 5