W78958B Datasheet, PDF (17/28 Pages) Winbond – 8-BIT EMULATION MICROCONTROLLER

W78958B
Standard Type:
MODE
Idle
Power-down
Internal
External
Internal
External
ALE PSEN
11
11
00
00
PT0−PT3
Same as W78C52
Same as W78C52
Same as W78C52
Same as W78C52
DP4
Floating
Floating
Floating
Floating
AP5 AP6
Address
Address
Address
Address
ABSOLUTE MAXIMUM RATINGS
PARAMETER
DC Power Supply
Input Voltage
Operating Temperature
SYMBOL
VDD−V
V
OPR
TSTG
MIN.
-0.3
VSS
0
MAX.
+7.0
VDD
+150
UNIT
V
°C
°
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability
of the device.
(VDD VSS
±10%, T = 25° OSC = 40 MHz, unless otherwise specified.)
SYM.
TEST CONDITIONS
UNIT
MIN.
MAX.
Oper. Voltage
DD
4.5
5.5
V
IDD
-
-
mA
Idle Current
IDLE Program Idle Mode
-
10
Pwdn Current
I
Program Power-down Mode
-
50
µ
Input Leakage
Current
LK1 _{ENSTD , INT 2 INT 3}
Internal Pull-high Notes 1, 2
-
+10
A
Input Leakage
ILK2
-10
-
µA
Internal Pull-low
Notes 1,
Current
Input Leakage
I
EA , Port 0, DP4
ILK4
Note 1
Note 1
-
+10
A
-50
+10 µ
O/P Low Voltage V
IOL1 = 2 mA (Port 1, 2, 3, 8)
-
-
0.45
V
O/P High Voltage VOH1 IOH1 = -100 µA (Port 1, 2, 3, 8)
2.4
-
-
V
O/P Low Voltage VOL2 IOL2 = 4 mA
Note 3
-
-
V
(ALE, PSEN
- 17 -
Publication Release Date: September 1997
Revision A3