參數(shù)資料
型號(hào)： DS2251T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 微控制器/微處理器
英文描述： 128K Soft Microcontroller Module(128K軟件微控制器模塊)
中文描述： 8-BIT, MICROCONTROLLER, SMA72
文件頁(yè)數(shù)： 9/20頁(yè)
文件大?。?/td> 156K
代理商： DS2251T
DS2251T
021998 9/20
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
–0.3V to +7.0V
0
°
C to 70
°
C
–40
°
C to +70
°
C
260
°
C for 10 seconds
* This is a stress rating only and functional operation of the device at these or any other conditions above those
indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods of time may affect reliability.
DC CHARACTERISTICS
(t
A
= 0
°
C to70
°
C; V
CC
= 5V + 10%)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Input Low Voltage
V
IL
V
IH1
V
IH2
–0.3
+0.8
V
1
Input High Voltage
2.0
V
CC
+0.3
V
CC
+0.3
V
1
Input High Voltage RST, XTAL1
PROG
3.5
V
1
Output Low Voltage
@ I
OL
=1.6 mA (Ports 1, 2, 3, PF)
Output Low Voltage
@ I
OL
=3.2 mA (Ports 0, ALE,
PSEN, BA13–0, BD7–0, R/W,
PE3–4)
V
OL1
0.15
0.45
V
1, 7
V
OL2
0.15
0.45
V
1
Output High Voltage
@ I
OH
= –80
μ
A (Ports 1, 2, 3)
Output High Voltage
@ I
= –400
μ
A (Ports 0, ALE,
PSEN, PF, BA13–0, BD7–0, R/W,
PE3–4)
V
OH1
2.4
4.8
V
1
V
OH2
2.4
4.8
V
1
Input Low Current V
IN
= 0.45V
(Ports 1, 2, 3)
I
IL
–50
μ
A
Transition Current; 1 to 0
V
IN
= 2.0V (Ports 1, 2, 3)
Input Leakage Current
0.45 < V
IN
< V
CC
(Port 0)
RST Pull–down Resistor
I
TL
–500
μ
A
I
IL
+10
μ
A
R
RE
R
VR
R
PR
V
PFW
V
CCmin
I
CC
I
IDLE
I
STOP
C
IN
40
150
K
K
K
VRST Pull–up Resistor
4.7
PROG Pull–up Resistor
40
Power–Fail Warning Voltage
4.25
4.37
4.50
V
1
Minimum Operating Voltage
4.00
4.12
4.25
V
1
Operating Current @ 16 MHz
45
mA
2
Idle Mode Current @ 12 MHz
7.0
mA
3
Stop Mode Current
80
μ
A
4
Pin Capacitance
10
pF
5
Reset Trip Point in Stop Mode
w/BAT=3.0V
w/BAT=3.3V
4.0
4.4
4.25
4.65
V
1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2251T_06 制造商:DALLAS 制造商全稱(chēng):Dallas Semiconductor 功能描述:128k Soft Microcontroller Module
DS2251T08-08 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Microcontroller
DS2251T08-12 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Microcontroller
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