Z84C90_12 Datasheet, PDF (37/56 Pages) Zilog, Inc. – KIO Serial/Parallel Counter/Timer

Z84C90 KIO Serial/Parallel Counter/Timer
Product Specification
30
From Output
Under Test
100 pF
+5V
2.1K
250
A
Figure 33. Test Load Diagram
DC Characteristics
Table 3 lists the direct current characteristics for the Z84C90 KIO Peripheral. In this table,
V_CC = 5.0 V ± 10% unless otherwise specified.
Table 3. DC Characteristics of the Z84C90
Symbol Item
Min
Max
Unit Condition
V_ILC
Clock Input Low Voltage
–0.3
+0.45
V
V_IHC
Clock Input High Voltage
V_CC–0.6 V_CC+0.3
V
V_IL
Input Low Voltage
–0.3
+0.8
V
V_IH
Input High Voltage
2.2
V_CC
V
V_OL
Output Low Voltage
+0.4
V I_OL = 2.0mA
V_OH1
Output High Voltage 1
2.4
V I_OH = –1.6mA
V_OH2
Output High Voltage 2
V_CC – 0.8
V I_OH = –250mA
I_LI
Input Leakage Current
±10.0
µA V_IN = 0.4~V_CC
I_OL
3-State Leakage Current
±10.0
µA V_IN = 0.4~V_CC
I_L(SY)
SYNC Pin Leakage Current
–40
+10
µA V_IN = 0.4~V_CC
Note: *Measurement made with output floating over specified temperature and voltage ranges with V_CC = 5 V, V_IH =
V_CC – 0.2 V and V_IL = 0.2 V.
PS011804-0612
DC Characteristics