
Preliminary W77C32
Publication Release Date: March 1999
- 63 - Revision A1
DC Characteristics, continued
PARAMETER
SYM.
SPECIFICATION
MIN.
-
TEST CONDITIONS
MAX.
20
UNIT
mA
Idle Current
I
IDLE
Idle mode
V
DD
= 5.5V
Power-down mode
V
DD
= 5.5V
V
DD
= 5.5V
V
IN
= 0V or V
DD
V
DD
= 5.5V
0 < V
IN
< V
DD
V
DD
= 5.5V
0V < V
IN
< V
DD
V
DD
= 5.5V
V
IN
= 2.0V
V
DD
= 4.5V
Power Down Current
I
PWDN
-
50
μ
A
Input Current
P1, P2, P3
Input Current
RST
[*1]
Input Leakage Current
P0,
EA
Logic 1 to 0 Transition Current
P1, P2, P3
Input Low Voltage
P0, P1, P2, P3,
EA
Input Low Voltage
RST
[*1]
Input Low Voltage
XTAL1
[*3]
Input High Voltage
P0, P1, P2,
P3,
EA
Input High Voltage
RST
Input High Voltage
XTAL1
[*3]
Output Low Voltage
P1, P2, P3
Output Low Voltage
P0, ALE,
PSEN
[*2]
Output High Voltage
P1, P2, P3
Output High Voltage
P0, ALE,
PSEN
[*2]
I
IN1
-50
+10
μ
A
I
IN2
-10
+300
μ
A
I
LK
-10
+10
μ
A
I
TL[*4]
-500
-200
μ
A
V
IL1
0
0.8
V
V
IL2
0
0.8
V
V
DD
= 4.5V
V
IL3
0
0.8
V
V
DD
= 4.5V
V
IH1
2.4
V
DD
+0.2
V
V
DD
= 5.5V
V
IH2
3.5
V
DD
+0.2
V
V
DD
= 5.5V
V
IH3
3.5
V
DD
+0.2
V
V
DD
= 5.5V
V
OL1
-
0.45
V
V
DD
= 4.5V
I
OL
= +2 mA
V
DD
= 4.5V
I
OL
= +4 mA
V
DD
= 4.5V
I
OH
= -100
μ
A
V
DD
= 4.5V
I
OH
= -400
μ
A
V
OL2
-
0.45
V
V
OH1
2.4
-
V
V
OH2
2.4
-
V
Notes:
*1. RST pin is a Schmitt trigger input.
*2. P0, ALE and PSEN are tested in the external access mode.
*3. XTAL1 is a CMOS input.
*4. Pins of P1, P2, P3, P4 can source a transition current when they are being externally driven from 1 to 0. The transition
current reaches its maximum value when VIN approximates to 2V.