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W78LE52 Datasheet(PDF) 13 Page - Winbond

Part # W78LE52
Description  8-BIT MTP MICROCONTROLLER
PDF  22 Pages
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W78LE52 Datasheet(HTML) 13 Page - Winbond

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Preliminary W78LE52
Publication Release Date: January 1999
- 13 -
Revision A1
DC Characteristics, continued
PARAMETER
SYM.
PECIFICATION
UNIT
TEST CONDITIONS
MIN.
MAX.
Input Leakage Current
P0, EA
ILK
-10
+10
µA
VDD = 5.5V
0V < VIN < VDD
Logic 1 to 0 Transition Current
P1, P2, P3, P4
ITL
[*4]
-500
-
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
1.4
-
V
VDD = 2.4V, IOH = -8
µA
Output High Voltage
VOH2
2.4
-
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.



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