Rainbow Electronics AT77C104B - Manual (Page 6)

6
AT77C104B
5347B–BIOM–08/04
Note: 1. A minimum noise margin of 0.05 V
DD
should be taken for Schmitt trigger input threshold switching levels compared to V
IL
and V
IH
values.
I
IOZ
Tri-state output leakage without
pull-up/down device
(1)
V
I
= 0V or V
DD
IV 1 µA
V
IL
Low level input voltage (1) I 0.3 V
DD
(1) V
V
IH
High level input voltage (1) I 0.7 V
DD
(1) V
V
HYST
Schmitt trigger hysteresis (1)
V
DD
= 3.3V
Temp = 25
° C
IV 0.400 0.750 V
Table 9. Digital Outputs
Logic Compatibility CMOS
Name Parameter Conditions Test Level Min Typ Max Unit
V
OL
Low level output voltage
I
OL
= 3 mA
V
DD
= 3.3V ±10%
I
0.15 V
DD
(1)
V
I
OL
= 1.75 mA
V
DD
= 2.5V ±5%
V
OH
High level output voltage
I
OH
= -3 mA
V
DD
= 3.3V ±10%
I 0.85 V
DD
V
I
OH
= -1.75 mA
V
DD
= 2.5V ±5%
Table 8. Digital Inputs
Logic Compatibility CMOS