W78IE52 Datasheet, PDF (13/22 Pages) Winbond – 8 BIT MICROCONTROLLER

Preliminary W78IE52
DC Characteristics, continued
PARAMETER
SYM. PECIFICATION UNIT
TEST CONDITIONS
MIN. MAX.
Input Leakage Current
ILK
-10
+10
P0, EA
Logic 1 to 0 Transition Current ITL ^[*4] -500
-
P1, P2, P3, P4
µA VDD = 5.5V
0V < VIN < VDD
µA VDD = 5.5V
VIN = 2.0V
Input Low Voltage
VIL1
0
0.8
V VDD = 4.5V
P0, P1, P2, P3, P4, EA
0
0.5
V VDD = 2.4V
Input Low Voltage
VIL2
0
0.8
V VDD = 4.5V
RST[*1]
0
0.3
V VDD = 2.4V
Input Low Voltage
VIL3
0
0.8
V VDD = 4.5V
XTAL1 [*3]
0
0.6
V VDD = 2.4V
Input High Voltage
VIH1 2.4 VDD +0.2
V VDD = 5.5V
P0, P1, P2, P3, P4, EA
1.4 VDD +0.2 V VDD = 2.4V
Input High Voltage
VIH2 3.5 VDD +0.2
V VDD = 5.5V
RST[*1]
1.7 VDD +0.2 V VDD = 2.4V
Input High Voltage
VIH3 3.5 VDD +0.2
V VDD = 5.5V
XTAL1 [*3]
1.6 VDD +0.2 V VDD = 2.4V
Output Low Voltage
VOL1
-
0.45
V VDD = 4.5V, IOL = +2 mA
P1, P2, P3, P4
-
0.25
V VDD = 2.4V, IOL = +1 mA
Output Low Voltage
VOL2
-
0.45
V VDD = 4.5V, IOL = +4 mA
P0, ALE, PSEN [*2]
-
0.25
V VDD = 2.4V, IOL = +2 mA
Sink Current
ISK1
4
12
mA VDD = 4.5V, Vin = 0.45V
P1, P2, P3, P4
1.8
5.4
mA VDD = 2.4V, Vin = 0.45V
Sink Current
ISK2
8
16
mA VDD = 4.5V, Vin = 0.45V
P0, ALE, PSEN
4.0
9
mA VDD = 2.4V, Vin = 0.45V
Output High Voltage
VOH1 2.4
-
V VDD = 4.5V, IOH = -100 µA
P1, P2, P3, P4
Output High Voltage
1.4
-
VOH2 2.4
-
V VDD = 2.4V, IOH = -8 µA
V VDD = 4.5V, IOH = -400 µA
P0, ALE, PSEN [*2]
1.4
-
V VDD = 2.4V, IOH = -200 µA
Source Current
ISR1 -100
-250
µA VDD = 4.5V, Vin = 2.4V
P1, P2, P3, P4
-10
-30
µA VDD = 2.4V, Vin = 1.4V
Source Current
ISR2
-8
-14
mA VDD = 4.5V, Vin = 2.4V
P0, ALE, PSEN
-1.0
-2.4
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.
- 13 -
Publication Release Date: April 20, 2005
Revision A2