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參數資料
型號: W921E840
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-Bit Microcontroller(4位的微控制器)
中文描述: 4-BIT, EEPROM, 4 MHz, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁數: 47/64頁
文件大小: 603K
代理商: W921E840
W921E840
Publication Publication Release Date: August 1997
- 47 - Revision A1
Erase Waveforms
A0/D0 to A9/D9
Erase
T
EPW
LATCH
T
ED
T
LPW
A10 to A12
Address Stable
T
AS
PROG
High
PROGD / ERASE
Vpp (OSCI)
(for enternal mode)
5V
14V
T
VPS
Address Stable
T
AH
T
VPH
Note: The erase address must start at 128n (n = 0 to 63), and 128 addresses
×
10-bit will be erased at a time.
8. ABSOLUTION MAXIMUM RATINGS
PARAMETER
SYMBOL
V
DD
V
SS
V
IL
V
IH
V
OL
V
OH
P
D
T
OPR
T
STG
RATING
-0.3 to +7.0
UNIT
V
DC Supply Voltage
V
SS
0.3
V
DD
+ 0.3
V
SS
0.3
V
DD
+ 0.3
120
0 to +70
-55 to +150
Input/Output Voltage
V
Power Dissipation
Operating Temperature
Storage Temperature
mW
°
C
°
C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability
of the device.
9. ELECTRICAL CHARACTERISTICS
9.1 DC Characteristics
(V
DD
V
SS
= 3.0V, F
OSC
= 4.0 MHz, T
A
= 25
°
C, all outputs unloaded)
PARAMETER
Operating Voltage
Operating Current
SYM.
V
DD
I
OP1
CONDITIONS
MIN.
2.7
TYP.
3.0
9
MAX.
5.5
12
UNIT
V
mA
Analog active, V
DD
= 5V,
F
OSC
= 4 MHz
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