參數(shù)資料
型號(hào): W921E400
廠商: WINBOND ELECTRONICS CORP
英文描述: 4-Bit Microcontroller(4位微控制器)
中文描述: 4位微控制器(4位微控制器)
文件頁(yè)數(shù): 38/53頁(yè)
文件大?。?/td> 394K
代理商: W921E400
W921E400A/W921C400
- 38 -
W921E400A EPROM Type DC Characteristics, continued
PARAMETER
Hold Mode Current
SYMBOL
I
HM1
CONDITIONS
V
DD
= 5V,
F
OSC
= 4 MHz
V
DD
= 3V,
F
OSC
= 800 KHz
V
DD
= 3V,
F
OSC
= 400 KHz
V
DD
= 5V,
F
OSC
= 4 MHz
V
DD
= 3V,
F
OSC
= 800 KHz
V
DD
= 3V,
F
OSC
= 400 KHz
MIN.
TYP.
1.2
MAX.
3.5
UNIT
mA
I
HM2
0.3
0.7
mA
I
HM3
0.25
0.5
mA
Stop Mode Current
I
SM1
2.0
3.0
μ
A
I
SM2
1.0
3.0
μ
A
I
SM3
1.0
3.0
μ
A
Input High Voltage
V
IH
0.7V
DD
V
DD
V
DD
Input Low Voltage
V
IL
0
0.3
V
DD
2.0
V
DD
Output High Voltage
V
OH
I
OH
= -0.5 mA
V
DD
-1.0
V
Output Low Voltage
V
OL1
I
OL
= 15 mA,
port P2
I
OL
= 0.4 mA,
other ports
V
IN
= 0V,
RESET
pin
V
DD
= 2.8 to 5.5V
V
OL2
0.4
V
Input Leakage Current
V
IL
1
μ
A
DTMF Output DC Level
V
TDC
1.0
3.0
V
DTMF Distortion
T
HD
V
DD
= 2.8 to 5.5V
-30
-23
dB
DTMF Output Voltage
V
TO
ROW Group,
R
L
= 5 K
COL/ROW
130
150
170
mVrm
s
Pre-emphasis
D/A DC Reference
Voltage
D/A Resoultion Voltage
1
0
2
3
2/3
dB
V
DD
V
REF
V
RSL
1/256
V
DAC
Pull-high Resistor
(P2, P4, P6, PA, PB)
R
PH
V
DD
= 3V
400
K
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