參數(shù)資料
型號: AT89C51SND1C-7HTUL
廠商: Atmel
文件頁數(shù): 10/42頁
文件大小: 0K
描述: IC MCU 64KB FLASH MEM 81-CBGA
標準包裝: 250
系列: 89C
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: I²C,IDE/ATAPI,MMC,SPI,UART/USART,USB
外圍設(shè)備: 音頻,I²S,MP3,PCM,POR,WDT
輸入/輸出數(shù): 44
程序存儲器容量: 64KB(64K x 8)
程序存儲器類型: 閃存
RAM 容量: 2.25K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.3 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 2x10b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 81-CBGA
包裝: 托盤
18
4109LS–8051–02/08
AT8xC51SND1C
7.
Electrical Characteristics
7.1
Absolute Maximum Rating
7.2
DC Characteristics
7.2.1
Digital Logic
Storage Temperature ......................................... -65 to +150°C
Voltage on any other Pin to V
SS .................................... -0.3 to +4.0 V
I
OL per I/O Pin ................................................................. 5 mA
Power Dissipation ............................................................. 1 W
Operating Conditions
Ambient Temperature Under Bias........................ -40 to +85°C
V
DD ........................................................................................................................4.0V
*NOTICE:
Stressing the device beyond the “Absolute Maxi-
mum Ratings” may cause permanent damage.
These are stress ratings only. Operation beyond
the “operating conditions” is not recommended
and extended exposure beyond the “Operating
Conditions” may affect device reliability.
Table 16. Digital DC Characteristics
VDD = 2.7 to 3.3 V, TA = -40 to +85°C
Symbol
Parameter
Min
Typ(1)
Max
Units
Test Conditions
V
IL
Input Low Voltage
-0.5
0.2V
DD - 0.1
V
IH1
(2)
Input High Voltage (except RST, X1)
0.2V
DD + 1.1
V
DD
V
IH2
Input High Voltage (RST, X1)
0.7V
DD
V
DD + 0.5
V
OL1
Output Low Voltage
(except P0, ALE, MCMD, MDAT, MCLK,
SCLK, DCLK, DSEL, DOUT)
0.45
V
I
OL= 1.6 mA
V
OL2
Output Low Voltage
(P0, ALE, MCMD, MDAT, MCLK, SCLK,
DCLK, DSEL, DOUT)
0.45
V
I
OL= 3.2 mA
V
OH1
Output High Voltage
(P1, P2, P3, P4 and P5)
V
DD - 0.7
V
I
OH= -30 A
VOH2
Output High Voltage
(P0, P2 address mode, ALE, MCMD,
MDAT, MCLK, SCLK, DCLK, DSEL,
DOUT, D+, D-)
VDD - 0.7
V
IOH= -3.2 mA
I
IL
Logical 0 Input Current (P1, P2, P3, P4
and P5)
-50
A
V
IN= 0.45 V
ILI
Input Leakage Current (P0, ALE, MCMD,
MDAT, MCLK, SCLK, DCLK, DSEL,
DOUT)
10
A
0.45< VIN< VDD
ITL
Logical 1 to 0 Transition Current
(P1, P2, P3, P4 and P5)
-650
A
VIN= 2.0 V
R
RST
Pull-Down Resistor
50
90
200
k
C
IO
Pin Capacitance
10
pF
T
A= 25°C
V
RET
V
DD Data Retention Limit
1.8
V
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