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參數(shù)資料
型號: DS87C550-QCL+
廠商: Maxim Integrated Products
文件頁數(shù): 28/49頁
文件大?。?/td> 0K
描述: IC MCU EPROM ADC/PWM HS 68-PLCC
標準包裝: 18
系列: 87C
核心處理器: 8051
芯體尺寸: 8-位
速度: 33MHz
連通性: EBI/EMI,SIO,UART/USART
外圍設(shè)備: 電源故障復位,PWM,WDT
輸入/輸出數(shù): 55
程序存儲器容量: 8KB(8K x 8)
程序存儲器類型: OTP
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 6x10b
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 68-LCC(J 形引線)
包裝: 管件
DS87C550 EPROM High-Speed Microcontroller with ADC and PWM
34 of 49
ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground………………………………………-0.3V to (VCC +0.5V)
Voltage Range on VCC Relative to Ground…………………………………………………..-0.3V to 6.0V
Operating Temperature Range……………………………………………………………..-40
°C to +85°C
Storage Temperature Range………………………………………………………………-55
°C to +125°C
Soldering Temperature………………………………………………………...See IPC/JEDEC J-STD-020
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not
implied. Exposure to absolute maximum rating conditions for extended periods can affect device reliability.
DC ELECTRICAL CHARACTERISTICS
(VCC = 4.5V, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Supply Voltage
VCC
4.5
5.0
5.5
V
1
Power-fail Warning
VPFW
4.25
4.38
4.5
V
1
Minimum Operating Voltage
VRST
4.0
4.13
4.25
V
1
Supply Current Active Mode
ICC
30
43
mA
2
Supply Current Idle Mode
IIDLE
15
30
mA
3
Supply Current Stop Mode
ISTOP
1
12
A
4
Supply Current Stop Mode
with Band-gap enabled
ISPBG
100
120
A
4
Input Low Level
VIL
-0.3
+0.8
V
1
Input High Level
VIH
2.0
VCC+0.3
V
1
Input High Level RST
VIH2
3.25
VCC+0.3
V
1
Input High Level XTAL2
VIH3
2.5
VCC+0.3
V
1
Output Low Voltage Ports 1, 3,
4, 5, 6 @ IOL = 1.6 mA
VOL1
0.15
0.45
V
1
Output Low Voltage Ports 0, 2,
ALE
, PSEN @ IOL = 3.2 mA
VOL2
0.15
0.45
V
1
Output High Voltage Ports 1, 2,
3, 4, 6, ALE, PSEN
@ IOH = -50 A
VOH1
2.4
V
1, 6
Output High Voltage Ports 1, 2,
3, 4, 6, @ IOH = -1.5 mA
VOH2
2.4
V
1, 7
Output High Voltage Ports 0, 2,
ALE,
PSEN in Bus Mode
IOH = -8 mA
VOH3
2.4
V
1, 5
Input Low Current Ports 1, 2, 3,
4, 6 @ 0.45V
IIL
-55
A
11
Transition Current from 1 to 0
Ports 1, 2, 3, 4, 6 @ 2V
ITL
-650
A
8
Input Leakage Port 0, 5 and
EA
IL
-10
+10
A
10
Input Leakage Port 0, Bus
Mode
IL
-350
+500
A
9
RST Pulldown Resistance
RRST
50
170
k
W
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