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參數(shù)資料
| 型號(hào)： | AT25080A-10TI-2.7 |
| 廠商： | ATMEL CORP |
| 元件分類： | PROM |
| 英文描述： | SPI Serial EEPROMs |
| 中文描述： | 1K X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| 封裝： | 4.40 MM, PLASTIC, MO-153AA, TSSOP-8 |
| 文件頁數(shù)： | 20/23頁 |
| 文件大?。?/td> | 451K |
| 代理商： | AT25080A-10TI-2.7 |
6
AT25080A/160A/320A/640A
3347I–SEEPR–1/05
Serial Interface
Description
MASTER: The device that generates the serial clock.
SL AVE: B e c a u s e t h e S e r i al C l oc k pi n ( S CK ) i s al w a y s an i n p u t , t h e
AT25080A/160A/320A/640A always operates as a slave.
TRANSMITTER/RECEIVER: The AT25080A/160A/320A/640A has separate pins designated
for data transmission (SO) and reception (SI).
MSB: The Most Significant Bit (MSB) is the first bit transmitted and received.
SERIAL OP-CODE: After the device is selected with CS going low, the first byte will be
received. This byte contains the op-code that defines the operations to be performed.
INVALID OP-CODE: If an invalid op-code is received, no data will be shifted into the
AT25080A/160A/320A/640A, and the serial output pin (SO) will remain in a high impedance
state unti l the falling edge of CS is detected again. T his will reinitia lize the serial
communication.
CHIP SELECT: The AT25080A/160A/320A/640A is selected when the CS pin is low. When
the device is not selected, data will not be accepted via the SI pin, and the serial output pin
(SO) will remain in a high impedance state.
HO L D : T h e H O LD pi n i s us e d i n c onj unc t i o n wi t h t h e CS pi n t o s e l e c t t h e
AT25080A/160A/320A/640A. When the device is selected and a serial sequence is underway,
HOLD can be used to pause the serial communication with the master device without resetting
the serial sequence. To pause, the HOLD pin must be brought low while the SCK pin is low.
To resume serial communication, the HOLD pin is brought high while the SCK pin is low (SCK
may still toggle during HOLD). Inputs to the SI pin will be ignored while the SO pin is in the
high impedance state.
WRITE PROTECT: The write protect pin (WP) will allow normal read/write operations when
held high. When the WP pin is brought low and WPEN bit is “1”, all write operations to the sta-
tus register are inhibited. WP going low while CS is still low will interrupt a write to the status
register. If the internal write cycle has already been initiated, WP going low will have no effect
on any write operation to the status register. The WP pin function is blocked when the WPEN
bi t i n t h e s t a t u s re gi s t e r i s “0 ”. T h i s w i l l al l o w t he us e r t o i n s t al l t h e
AT25080A/160A/320A/640A in a system with the WP pin tied to ground and still be able to
write to the status register. All WP pin functions are enabled when the WPEN bit is set to “1”.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT25080A-10TQ-2.7 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:SPI Serial EEPROMs |
| AT25080A-10TU-1.8 | 功能描述:電可擦除可編程只讀存儲(chǔ)器 1.8V 27 MIL - 10MS 1.8V RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)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 |
| AT25080A-10TU-1.8 SL383 | 功能描述:電可擦除可編程只讀存儲(chǔ)器 8K SPI Serial 電可擦除可編程只讀存儲(chǔ)器 RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)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 |
| AT25080A-10TU-1.8-T | 功能描述:IC EEPROM 8KBIT 20MHZ 8TSSOP 制造商:microchip technology 系列:- 包裝:帶卷（TR） 零件狀態(tài):停產(chǎn) 存儲(chǔ)器類型:非易失 存儲(chǔ)器格式:EEPROM 技術(shù):EEPROM 存儲(chǔ)容量:8Kb （1K x 8） 時(shí)鐘頻率:20MHz 寫周期時(shí)間 - 字，頁:5ms 存儲(chǔ)器接口:SPI 電壓 - 電源:1.8 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(hào):AT25080 標(biāo)準(zhǔn)包裝:5,000 |
| AT25080A-10TU-2.7 | 功能描述:電可擦除可編程只讀存儲(chǔ)器 1.8V 27 MIL - 10MS 2.7V RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)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 |
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