參數(shù)資料
型號(hào): W742E
廠商: WINBOND ELECTRONICS CORP
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機(jī)的小型通用紅外遙控器
文件頁數(shù): 51/66頁
文件大?。?/td> 303K
代理商: W742E
Preliminary W742C(E)811
Publication Release Date: May 1999
- 51 -
Revision A1
7. DC CHARACTERISTICS
(V
DD
-V
SS
= 3.0V, Fm = 3.58 MHz, Fs = 32.768 KHz, T
A
= 25
°
C,
LCD on, Internal pump disable
no load
; unless otherwise
specified)
PARAMETER
Op. Voltage (W742C811)
Op. Voltage (W742E811)
SYM.
V
DD
V
DD
CONDITIONS
-
-
MIN.
2.4
2.4
TYP.
-
-
MAX.
6.0
4.8
UNIT
V
V
Op. Current (Crystal type)
I
OP1
No load (Ext-V)
In dual-clock normal
operation
No load (Ext-V)
In dual-clock slow
operation and Fm is
stopped
Hold mode No load (Ext-V)
In dual-clock normal operation
Hold mode No load (Ext-
V)
In dual-clock slow
operation and Fm is
stopped
Hold mode No load (Ext-V)
V
DD
= 5V; In dual-clock
slow operation and Fm
is stopped
Stop mode No load (Ext-V)
Fm and Fs are stopped
-
-
I
OL
= 3.5 mA
I
OH
= 3.5 mA
I
OL
= 2.0mA
-
0.5
1.0
mA
Op. Current (Crystal type)
I
OP3
-
30
50
μ
A
Hold Current (Crystal type)
I
HM1
-
400
500
μ
A
μ
A
Hold Current (Crystal type)
I
HM3
-
30
50
Hold Current (Crystal type)
I
HM5
-
50
80
μ
A
Stop Current
I
SM1
-
1
2
μ
A
Input Low Voltage
Input High Voltage
MFP Output Low Voltage
MFP Output High Voltage
Port RA, RB, RD and RF
Output Low Voltage
Port RA, RB, RD and RF
Output high Voltage
LCD Supply Current
SEG0-SEG39 Sink Current
(Used as LCD output)
V
IL
V
IH
V
ML
V
MH
V
ABL
V
SS
0.7 V
DD
-
2.4
-
-
-
-
-
-
0.3 V
DD
V
DD
0.4
-
0.4
V
V
V
V
V
V
ABH
I
OH
= 2.0mA
2.4
-
-
V
I
LCD
I
OL1
All Seg. ON
V
OL
= 0.4V
V
LCD
= 0.0V
-
-
-
20
-
μ
A
μ
A
90
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