參數(shù)資料
型號: DS2250-64-16+
廠商: Maxim Integrated Products
文件頁數(shù): 17/18頁
文件大?。?/td> 0K
描述: IC MCU 64KB 16MHZ 40-SIMM
標準包裝: 1
系列: DS225x
核心處理器: 8051
芯體尺寸: 8-位
速度: 16MHz
連通性: SIO,UART/USART
外圍設備: 電源故障復位,WDT
輸入/輸出數(shù): 32
程序存儲器類型: SRAM
RAM 容量: 64K x 8
電壓 - 電源 (Vcc/Vdd): 4.75 V ~ 5.25 V
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 40-SIMM
包裝: 托盤
DS2250(T)
8 of 18
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………..-0.3V to +7.0V
Operating Temperature Range………………………………………………………………...0°C to +70°C
Storage Temperature………………………………………………………………………...-40°C to +70°C
Soldering Temperature………………………………………………………………+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
(VCC = 5V ±5%, TA = 0°C to +70°C.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Input Low Voltage
VIL
-0.3
+0.8
V
1
Input High Voltage
VIH1
2.0
VCC+0.3
V
1
Input High Voltage RST, XTAL1
VIH2
3.5
VCC+0.3
V
1
Output Low Voltage
@ IOL=1.6 mA (Ports 1, 2, 3)
VOL1
0.15
0.45
V
Output Low Voltage
@ IOL=3.2 mA (Ports 0, ALE, PSEN )
VOL2
0.15
0.45
V
1
Output High Voltage
@ IOH=-80 A (Ports 1, 2, 3)
VOH1
2.4
4.8
V
1
Output High Voltage
@ IOH=-400 A (Ports 0, ALE, PSEN )
VOH2
2.4
4.8
V
1
Input Low Current VIN = 0.45V
(Ports 1, 2, 3)
IIL
-50
A
Transition Current; 1 to 0
VIN=2.0V (Ports 1, 2, 3)
ITL
-500
A
Input Leakage Current
0.45 < VIN < VCC (Port 0)
IL
±10
A
RST, EA Pulldown Resistor
RRE
40
125
k
Stop Mode Current
ISM
80
A
4
Power Fail Warning Voltage
VPFW
4.15
4.6
4.75
V
1
Minimum Operating Voltage
VCCmin
4.05
4.5
4.65
V
1
Programming Supply Voltage
(Parallel Program Mode)
VPP
12.5
13
V
1
Program Supply Current
IPP
15
20
mA
Operating Current DS2250-8k
DS2250-32k @ 12 MHz
DS2250(T)-64-16 @ 16 MHz
ICC
43
48
54
mA
2
Idle Mode Current @ 8 MHz
ICC
6.2
mA
3
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