W78E58B Winbond, W78E58B Datasheet - Page 19

• Manufacturer Part Number: W78E58B
• Description: 8 BIT MICROCONTROLLER
• Manufacturer: Winbond

DC Characteristics, continued
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.
Input Low Voltage
P0, P1, P2, P3, P4, EA
Input Low Voltage
RST
Input Low Voltage
XTAL1
Input High Voltage
P0, P1, P2, P3, P4, EA
Input High Voltage
RST
Input High Voltage
XTAL1
Output Low Voltage
P1, P2, P3, P4
Output Low Voltage
P0, ALE, PSEN
Sink current
P1, P3, P4
Sink current
P0, P2, ALE, PSEN
Output High Voltage
P1, P2, P3, P4
Output High Voltage
P0, ALE, PSEN
Source Current
P1, P2, P3, P4
Source Current
P0, P2, ALE, PSEN
PARAMETER
[*4]
[*4]
[*3]
[*3]
SYM.
V
V
V
V
V
V
V
V
V
V
Isk1
Isk2
Isr1
Isr2
OH1
OH2
OL1
OL2
IH1
IH2
IH3
IL1
IL2
IL3
MIN.
-120
2.4
3.5
3.5
2.4
2.4
10
-8
0
0
0
4
-
-
SPECIFICATION
- 19 -
V
V
V
DD
DD
DD
MAX.
-250
0.45
0.45
-20
0.8
0.8
0.8
12
20
-
-
+0.2
+0.2
+0.2
Publication Release Date: March 18, 2002
UNIT
mA
mA
mA
V
V
V
V
V
V
V
V
V
V
A
V
V
V
V
V
V
V
I
V
I
V
V
V
V
V
I
V
I
V
V
V
V
OL
OL
OH
OH
DD
DD
DD
DD
DD
DD
DD
DD
DD
IN
DD
IN
DD
DD
DD
IN
DD
IN
TEST CONDITIONS
= +2 mA
= +4 mA
= 0.45V
= 0.45V
= -100 A
= -400 A
= 2.4V
= 2.4V
= 4.5V
= 4.5V
= 4.5V
= 5.5V
= 5.5V
= 5.5V
= 4.5V
= 4.5V
= 4.5V
= 4.5V
= 4.5V
= 4.5V
= 4.5V
= 4.5V
W78E58B
Revision A3