User guide

W78C801
Publication Release Date: February 1999
- 11 - Revision A3
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL MIN. MAX. UNIT
DC Power Supply
V
DD−VSS
-0.3 +6.0 V
Input Voltage VIN VSS -0.3 VDD +0.3 V
Operating Temperature TA 070
°C
Storage Temperature TST -55 +150
°C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
DC CHARACTERISTICS
Vss = 0V ; T
A
= 25° C; unless otherwise specified.
PARAMETER SYM. SPECIFICATION TEST CONDITIONS
MIN. MAX. UNIT
Operating Voltage VDD 4.5 5.5 V
Operating Current IDD -20mAVDD = 5.5V, 16 MHz, no load
Idle Current IIDLE -6mAVDD = 5.5V, 16 MHz, no load
Power Down Current IPWDN -50
µA
VDD = 5.5V, no load
Input
Input Current
P1, P2, P3, P4
IIN -50 +10
µA
VDD = 5.5V
V
IN = 0V or VDD
Input Leakage Current
P0,
EA
ILK -10 +10
µA
VDD = 5.5V
Vss < V
IN < VDD
Input Current
RST
IIN2 -60 +300
µA
VDD = 5.5V
0 < V
IN < VDD
Logic 1-to-0 Transition Current
P1, P2, P3, P4
ITL -500 -200
µA
VDD = 5.5V
V
IN = 2V
Input Low Voltage
P1, P2, P3, P4
VIL1 0 0.8 V VDD = 5.5V
Input Low Voltage
RST
VIL2 0 0.8 V VDD = 5.5V
Input Low Voltage
XTAL1
VIL3 0 0.8 VDD = 5.5V