Rainbow-electronics AT77C105A Bedienungsanleitung PDF herunterladen (Seite 6)

AT77C105A [Preliminary]

5419A–BIOM–01/05

VDD_IO = 1.8V

Note: 1. A minimum noise margin of 0.05 V

should be taken for Schmitt trigger input threshold switching levels compared to V

and V

values.

Table 8. Digital Inputs

Logic Compatibility CMOS

Name Parameter Conditions Test Level Min Typ Max Unit

Low level input current without pull-

up device

(1)

= 0V I 1 µA

High level input current without

pull-down device

(1)

= V

DD_IO

I1µA

IOZ

Tri-state output leakage without

pull-up/down device

(1)

= 0V or V

DD_IO

IV 1 µA

Low level input voltage

(1)

0.4

DD_IO

(1)

High level input voltage

(1)

I0.6 V

(1)

HYST

Schmitt trigger hysteresis

(1)

0.15

DD_IO

0.3

DD_IO

Table 9. Digital Outputs

Logic Compatibility CMOS

Name Parameter Conditions Test Level Min Typ Max Unit

Low level output voltage

= 4 mA

= 1.8V ±8%

0.15

DD_IO

(1)

High level output voltage

= -4 mA

= 3.3V ±10%

I0.85 V

1 2 3 4 5 6 7 8 9 10 11 ... 38 39

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