參數(shù)資料
型號: AT93C56-10SI-2.7
廠商: ATMEL CORP
元件分類: PROM
英文描述: 3-Wire Serial EEPROMs
中文描述: 128 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO8
封裝: 0.150 INCH, PLASTIC, MS-012AA, SOIC-8
文件頁數(shù): 17/21頁
文件大?。?/td> 371K
代理商: AT93C56-10SI-2.7
5
AT93C46/56/66
0172Z–SEEPR–9/05
Note:
The Xs in the address field represent DON’T CARE values and must be clocked.
Notes:
1. This device is not recommended for new designs. Please refer to AT93C56A.
2. This device is not recommended for new designs. Please refer to AT93C66A.
Table 5. Instruction Set for the AT93C46
Instruction
SB
Op
Code
Address
Data
Comments
x 8
x 16
x 8
x 16
READ
1
10
A6 – A0
A5 – A0
Reads data stored in memory, at
specified address
EWEN
1
00
11XXXXX
11XXXX
Write enable must precede all
programming modes
ERASE
1
11
A6 – A0
A5 – A0
Erases memory location An – A0
WRITE
1
01
A6 – A0
A5 – A0
D7 – D0
D15 – D0
Writes memory location An – A0
ERAL
1
00
10XXXXX
10XXXX
Erases all memory locations. Valid
only at VCC = 4.5V to 5.5V
WRAL
1
00
01XXXXX
01XXXX
D7 – D0
D15 – D0
Writes all memory locations. Valid
only at V
CC = 4.5V to 5.5V
EWDS
1
00
00XXXXX
00XXXX
Disables all programming instructions
Table 6. Instruction Set for the AT93C56
(1) and AT93C66(2)
Instruction
SB
Op
Code
Address
Data
Comments
x 8
x 16
x 8
x 16
READ
1
10
A8 – A0
A7 – A0
Reads data stored in memory, at
specified address
EWEN
1
00
11XXXXXXX
11XXXXXX
Write enable must precede all
programming modes
ERASE
1
11
A8 – A0
A7 – A0
Erases memory location An – A0
WRITE
1
01
A
8 – A0
A
7 – A0
D
7 – D0
D
15 – D0
Writes memory location A
n– A0
ERAL
1
00
10XXXXXXX
10XXXXXX
Erases all memory locations. Valid
only at VCC = 4.5V to 5.5V
WRAL
1
00
01XXXXXXX
01XXXXXX
D
7 – D0
D
15 – D0
Writes all memory locations. Valid
only at V
CC = 5.0V ±10% and Disable
Register cleared
EWDS
1
00
00XXXXXXX
00XXXXXX
Disables all programming instructions
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