W78LE516 Datasheet, PDF (19/31 Pages) Winbond – 8-BIT MICROCONTROLLER

Preliminary W78LE516
DC Characteristics, continued
PARAMETER
Input Low Voltage
XTAL1 [*3]
Input High Voltage
P0, P1, P2, P3, P4, EA
Input High Voltage
RST[*1]
Input High Voltage
XTAL1 [*3]
Output Low Voltage
P1, P2, P3, P4
Output Low Voltage
P0, ALE, PSEN [*2]
SYM.
VIL3
VIH1
VIH2
VIH3
VOL1
VOL2
SPECIFICATION
MIN.
MAX.
0
0.8
0
0.4
2.4 VDD +0.2
1.4 VDD +0.2
3.5 VDD +0.2
1.7 VDD +0.2
3.5 VDD +0.2
2.4 VDD +0.2
-
0.45
-
0.25
-
0.45
-
0.25
UNIT
TEST CONDITIONS
V VDD = 4.5V
V VDD = 2.4V
V VDD = 5.5V
V VDD = 2.4V
V VDD = 5.5V
V VDD = 2.4V
V VDD = 5.5V
V VDD = 2.4V
V VDD = 4.5V, IOL = +2 mA
V VDD = 2.4V, IOL = +1 mA
V VDD = 4.5V, IOL = +4 mA
V VDD = 2.4V, IOL = +2 mA
Sink Current
P1, P2, P3, P4
Sink Current
P0, ALE, PSEN
ISK1
4
12
mA VDD = 4.5V, Vin = 0.45V
1.8
5.4
mA VDD = 2.4V, Vin = 0.45V
ISK2
8
16
mA VDD = 4.5V, Vin = 0.45V
4.5
9
mA VDD = 2.4V, Vin = 0.4V
Output High Voltage
VOH1
2.4
-
P1, P2, P3, P4
1.4
-
Output High Voltage
VOH2
2.4
-
P0, ALE, PSEN [*2]
1.4
-
V VDD = 4.5V, IOH = -100 µA
V VDD = 2.4V, IOH = -8 µA
V VDD = 4.5V, IOH = -400 µA
V VDD = 2.4V, IOH = -200 µA
Source Current
P1, P2, P3, P4
Source Current
P0, ALE, PSEN
ISR1
-100
-20
ISR2
-8
-1.9
-250
-50
-14
-3.8
µA VDD = 4.5V, Vin = 2.4V
µA VDD = 2.4V, Vin = 1.4V
mA VDD = 4.5V, Vin = 2.4V
mA VDD = 2.4V, Vin = 1.4V
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.
- 19 -
Publication Release Date: June 2000
Revision A1