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參數(shù)資料
型號(hào)： DS89C440-QNL
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 12/46頁(yè)
文件大小： 0K
描述： IC MCU FLASH 32KB 33MHZ 44-PLCC
標(biāo)準(zhǔn)包裝： 26
系列： 89C
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(fù)位，WDT
輸入/輸出數(shù)： 32
程序存儲(chǔ)器容量： 32KB（32K x 8）
程序存儲(chǔ)器類型： 閃存
RAM 容量： 1K x 8
電壓 - 電源 (Vcc/Vdd)： 4.5 V ~ 5.5 V
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 44-LCC（J 形引線）
包裝： 管件
DS89C430/DS89C450 Ultra-High-Speed Flash Microcontrollers
2 of 46
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
Ambient Temperature Range (under bias)…………………………………………………………………………………-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 the absolute maximum rating conditions for extended periods may affect device reliability.
DC ELECTRICAL CHARACTERISTICS
(VCC = 4.5V to 5.5V, TO = -40°C to +85°C.) (Note 1)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Supply Voltage (Notes 2, 3)
VCC
4.5
5.0
5.5
V
Power-Fail Warning (Notes 2, 4)
VPFW
4.2
4.375
4.6
V
Reset Trip Point (Min Operating Voltage) (Notes 2, 3, 4)
VRST
3.95
4.125
4.35
V
Supply Current, Active Mode (Note 5)
ICC
75
110
mA
Supply Current, Idle Mode at 33MHz (Note 6)
IIDLE
40
50
mA
Supply Current, Stop Mode, Bandgap Disabled (Note 7)
ISTOP
1
100
A
Supply Current, Stop Mode, Bandgap Enabled (Note 7)
ISPBG
150
300
A
Input Low Level (Note 2)
VIL
-0.3
+0.8
V
Input High Level (Note 2)
VIH
2.0
VCC + 0.3
V
Input High Level XTAL and RST (Note 2)
VIH2
3.5
VCC + 0.3
V
Output Low Voltage, Port 1 and 3 at IOL = 1.6mA (Note 2)
VOL1
0.15
0.45
V
Output Low Voltage, Port 0 and 2, ALE, PSEN at IOL = 3.2mA
(Note 2)
VOL2
0.15
0.45
V
Output High Voltage, Port 1, 2, and 3, at IOH = -50A
(Notes 2, 8)
VOH1
2.4
V
Output High Voltage, Port 1, 2, and 3 at IOH = -1.5mA (Notes 2, 9)
VOH2
2.4
V
Output High Voltage, Port 0, 1, 2, ALE, PSEN, RD, WR in Bus
Mode at IOH = -8mA (Notes 2, 10)
VOH3
2.4
V
Output High Voltage, RST at IOL = -0.4mA (Note 2, 11)
VOH4
2.4
V
Input Low Current, Port 1, 2, and 3 at 0.4V
IIL
-50
A
Transition Current from 1 to 0, Port 1, 2, and 3 at 2V (Note 12)
ITL
-650
A
Input Leakage Current, Port 0 in I/O Mode and EA (Note 13)
IL
-10
+10
A
Input Current, Port 0 in Bus Mode (Note 14)
IL
-300
+300
A
RST Pulldown Resistance (Note 13)
RRST
50
120
200
k
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