Z84C90

KIO Serial/Parallel Counter Timer

PS011802-0902

14

DC Characteristics

Table 3. DC Characteristics of the Z84C90

Symbol

Item

Min

Max

Unit

Condition

Clock Input Low Voltage

–0.3

+0.45

V

Clock Input High Voltage

Input Low Voltage

–0.3

+0.8

V

Input High Voltage

2.2

V

Output Low Voltage

+0.4

V

Output High Voltage 1

2.4

V

Output High Voltage 2

V

Input Leakage Current

±10.0

mA

3-State Leakage Current

±10.0

mA

Current

+10

–40

mA

Darlington Drive Current

(Port B and ZC/T00~3)

–1.5

mA

Power Supply Current*

8 MHz

10MHz

12.5MHz

15

15

15

mA

mA

*Measurement made with output floating over specified temperature and voltage ranges.

Table 4. Capacitance

Symbol

Parameter

Minimum Maximum Unit

Clock Capacitance

Input Capacitance

Output Capacitance

10

10

15

cF

cF

cF