Z86319 Datasheet, PDF (7/23 Pages) Zilog, Inc. – PS/2 MOUSE CONTROLLER

Zilog
AC ELECTRICAL CHARACTERISTICS
Timing Diagrams
TIN
IRQ _N
1
1
2
3
4
5
6
Z86319
PS/2 Mouse Controller
1
Figure 5. Electrical Timing Diagram
No
Symbol
Parameter
V_DD
1
TrTin, TtTin Timer Input Rise and Fall Time 5.5V
2
TwTinL
Timer Input Low Width
5.5V
3
TwTinH
Timer Input High Width
5.5V
4
TpTin
Timer Input Period
5.5V
5
TwIL
Int. Request Input Low Time
5.5V
6
TwIH
Int. Request Input High Time
5.5V
Twdt
Watch-Dog Timer Time Out
5.5V
TPOR
TpC
Power-On Reset Time
RC Oscillator Clock Period
5.5V
5.5V
Notes:
1. Timing Reference uses 0.9 V_DD for a logic 1 and 0.1 V_DD for a logic 0.
2. Interrupt request through Port 3 (P33-P31)
T_A = 0°C to +40°C
Min
70
2.5TpC
4TpC
70
2.5TpC
10
2
220
Max
100
10
5000
Units
ns
ns
ns
ms
ms
ns
Notes
1
1
1
1
1,2
1,2
DS97KEY1605
PRELIMINARY
7