W78E54
DC CHARACTERISTICS
(VDD-VSS = 5V ±10%, TA = 25°C, Fosc = 20 MHz, unless otherwise specified.)
PARAMETER
SYM.
SPECIFICATION
UNIT
TEST CONDITIONS
MIN.
4.5
-
MAX.
5.5
Operating Voltage
Operating Current
VDD
IDD
V
20
mA
No load
VDD = 5.5V
Idle mode
Idle Current
IIDLE
IPWDN
IIN1
-
6
mA
mA
mA
mA
mA
mA
VDD = 5.5V
Power-down mode
VDD = 5.5V
VDD = 5.5V
VIN = 0V or VDD
VDD = 5.5V
0 < VIN < VDD
VDD = 5.5V
0V <VIN < VDD
VDD = 5.5V
VIN =2.0V
Power Down Current
-
50
Input Current
P1, P2, P3, P4
Input Current
RST
-50
-10
-10
-500
+10
+300
+10
-200
IIN2
Input Leakage Current
P0, /EA
ILK
Logic 1 to 0 Transition
Current
ITL [*4]
P1, P2, P3, P4
Input Low Voltage
VIL1
0
0.8
V
VDD = 4.5V
P0, P1, P2, P3, P4, EA
Input Low Voltage
RST
VIL2
VIL3
VIH1
0
0
0.8
0.8
V
V
V
VDD = 4.5V
VDD = 4.5V
VDD = 5.5V
Input Low Voltage
XTAL1[*4]
Input High Voltage
2.4
VDD +0.2
P0, P1, P2, P3, P4, EA
Input High Voltage
RST
VIH2
VIH3
VOL1
3.5
3.5
-
VDD +0.2
VDD +0.2
0.45
V
V
V
VDD = 5.5V
VDD = 5.5V
Input High Voltage
XTAL1 [*4]
Output Low Voltage
P1, P2, P3, P4
VDD = 4.5V
IOL = +2 mA
Publication Release Date: November 1997
Revision A2
- 13 -
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