參數(shù)資料
型號: HMS77C2001
英文描述: [General Purpose(2) : ADC/ LED/ SCI/ PWM]
中文描述: [通用(2):藝術發(fā)展局/發(fā)光/工商/脈寬調制]
文件頁數(shù): 12/59頁
文件大小: 660K
代理商: HMS77C2001
HMS77C2000/2001
Nov. 2002 Ver 1.1
9
7.3 DC CHARACTERISTICS (1)
(T
A
=-40
°
C~+85
°
C)
Parameter
Symbol
Test Condition
Specification
Unit
Min
Typ
1
1.
2.
3.
Data in “Typ” column is at 25
°
C unless otherwise stated. These parameters are for design guidance only and are not tested.
This parameter is characterized but not tested.
The test conditions for all I
DD
measurements in
NOP
execution are:
X
IN
= external square wave; all I/O pins tristated, pulled to V
SS
, EC0 = V
DD
, RESET = V
DD
; WDT disabled/enabled as specified.
Does not include current through R
ext.
The current through the resistor can be estimated by the formula; I
R
= V
DD
/2R
ext
(mA)
Power down current is measured with the part in SLEEP mode, with all I/O pins in hi-impedance state and tied to V
DD
and V
SS
as
like measurement conditions of supply current.
Max
Supply Voltage
V
DD
2.5
5.5
V
V
DD
start voltage to ensure
Power-On Reset
V
POR
-
V
SS
-
V
V
DD
rise rate to ensure
Power-On Reset
S
VDD2
0.05
-
-
V/mS
RAM Data Retention
Voltage
V
DR
-
0.6
-
V
Power Fail Detection
V
PFD
2.4
2.7
3.2
V
Supply Current
I
DD3
ERC
4
osc
4.
5.
X
IN
= 4MHz, V
DD
= 5.5V
-
1
2.5
mA
IRC osc
X
IN
= 4MHz, V
DD
= 5.5V
-
1
2.5
mA
XT osc
X
IN
= 4MHz, V
DD
= 5.5V
-
2
4
mA
LF osc
X
IN
= 32KHz, V
DD
= 3V, WDT Disabled
-
30
50
uA
Power Down Current
I
PD5
V
DD
= 3V, WDT Enabled
-
3
15
uA
V
DD
= 3V, WDT Disabled
-
0.25
14
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