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參數(shù)資料
| 型號： | AT93C56A-10TU-1.8 |
| 廠商： | ATMEL CORP |
| 元件分類： | DRAM |
| 英文描述： | 240 x 128 pixel format, CFL Backlight with power harness |
| 中文描述： | 128 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO8 |
| 封裝： | 4.40 MM, GREEN, PLASTIC, MO-153AA, TSSOP-8 |
| 文件頁數(shù)： | 14/18頁 |
| 文件大?。?/td> | 167K |
| 代理商： | AT93C56A-10TU-1.8 |
5
3378F–SEEPR–04/04
Note:
The X’s in the address field represent don’t care values and must be clocked.
Functional Description
The AT93C56A/66A is accessed via a simple and versatile 3-wire serial communication
interface. Device operation is controlled by seven instructions issued by the host pro-
cessor. A valid instruction starts with a rising edge of CS and consists of a Start Bit
(logic “1”) followed by the appropriate Op Code and the desired memory address
location.
READ (READ): The Read (READ) instruction contains the address code for the mem-
ory location to be read. After the instruction and address are decoded, data from the
selected memory location is available at the serial output pin DO. Output data changes
are synchronized with the rising edges of serial clock SK. It should be noted that a
dummy bit (logic “0”) precedes the 8- or 16-bit data output string. The AT93C56A/66A
supports sequential read operations. The device will automatically increment the inter-
nal address pointer and clock out the next memory location as long as Chip Select (CS)
is held high. In this case, the dummy bit (logic “0”) will not be clocked out between mem-
ory locations, thus allowing for a continuous stream of data to be read.
ERASE/WRITE (EWEN): To assure data integrity, the part automatically goes into the
Erase/Write Disable (EWDS) state when power is first applied. An Erase/Write Enable
(EWEN) instruction must be executed first before any programming instructions can be
carried out. Please note that once in the EWEN state, programming remains enabled
until an EWDS instruction is executed or VCC power is removed from the part.
ERASE (ERASE): The Erase (ERASE) instruction programs all bits in the specified
memory location to the logical “1” state. The self-timed erase cycle starts once the
ERASE instruction and address are decoded. The DO pin outputs the READY/BUSY
status of the part if CS is brought high after being kept low for a minimum of 250 ns (tCS).
A logic “1” at pin DO indicates that the selected memory location has been erased, and
the part is ready for another instruction.
Instruction Set for the AT93C56A and AT93C66A
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
A
8 – A0
A
7 – A0
Erases memory location A
n – 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT93C56A-10TU-2.7 | 功能描述:電可擦除可編程只讀存儲器 E2 2K 3-WIRE 1M CYCLES - 10MS 2.7V RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| AT93C56A-10TU-2.7-RET | 制造商:Atmel Corporation 功能描述: |
| AT93C56A-10TU-2.7-T | 功能描述:IC EEPROM 2KBIT 2MHZ 8TSSOP 制造商:microchip technology 系列:- 包裝:帶卷（TR） 零件狀態(tài):停產(chǎn) 存儲器類型:非易失 存儲器格式:EEPROM 技術(shù):EEPROM 存儲容量:2Kb （256 x 8，128 x 16） 時鐘頻率:2MHz 寫周期時間 - 字，頁:10ms 存儲器接口:SPI 電壓 - 電源:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商器件封裝:8-TSSOP 基本零件編號:AT93C56 標(biāo)準(zhǔn)包裝:5,000 |
| AT93C56AD3-10DH-1.8 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Three-wire Serial EEPROM |
| AT93C56AU3-10UI-1.8 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:3-wire Serial EEPROMs 2K (256 x 8 or 128 x 16) |
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