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參數(shù)資料
| 型號： | AT25020A-10TQ-2.7 |
| 廠商： | ATMEL CORP |
| 元件分類： | DRAM |
| 英文描述： | 128 x 64 pixel format, LED Backlight available |
| 中文描述： | 256 X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| 封裝： | 0.170 INCH, LEAD FREE AND HALOGEN FREE, PLASTIC, MO-153AA, TSSOP-8 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大小： | 392K |
| 代理商： | AT25020A-10TQ-2.7 |
1
Features
Serial Peripheral Interface (SPI) Compatible
Supports SPI Modes 0 (0,0) and 3 (1,1)
– Data Sheet Describes Mode 0 Operation
Medium-voltage and Standard-voltage Operation
– 2.7 (V
CC
= 2.7V to 5.5V)
Extended Temperature Range
40
°
C to +125
°
C
5.0 MHz Clock Rate
8-byte Page Mode
Block Write Protection
– Protect 1/4, 1/2, or Entire Array
Write Protect (WP) Pin and Write Disable Instructions for Both Hardware and Software
Data Protection
Self-timed Write Cycle (10 ms max)
High Reliability
– Endurance: One Million Write Cycles
– Data Retention: 100 Years
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead TSSOP Packages
Description
The AT25010A/020A/040A provides 1024/2048/4096 bits of serial electrically-eras-
able programmable read-only memory (EEPROM) organized as 128/256/512 words of
8 bits each. The device is optimized for use in many automotive applications where
low-power and low-voltage operation are essential. The AT25010A/020A/040A is
available in space-saving 8-pin PDIP, 8-lead JEDEC SOIC and 8-lead TSSOP
packages.
The AT25010A/020A/040A is enabled through the Chip Select pin (CS) and accessed
via a three-wire interface consisting of Serial Data Input (SI), Serial Data Output (SO),
and Serial Clock (SCK). All programming cycles are completely self-timed, and no
separate erase cycle is required before write.
Block write protection is enabled by programming the status register with one of four
blocks of write protection. Separate program enable and program disable instructions
are provided for additional data protection. Hardware data protection is provided via
the WP pin to protect against inadvertent write attempts. The HOLD pin may be used
to suspend any serial communication without resetting the serial sequence.
Table 1.
Pin Configurations
Pin Name
Function
CS
Chip Select
SCK
Serial Data Clock
SI
Serial Data Input
SO
Serial Data Output
GND
Ground
VCC
Power Supply
WP
Write Protect
HOLD
Suspends Serial Input
SPI Serial
Extended
Temperature
EEPROMs
1K (128 x 8)
2K (256 x 8)
4K (512 x 8)
AT25010A
AT25020A
AT25040A
5087B–SEEPR–1/05
1
2
3
4
8
7
6
5
C
S
S
O
WP
GND
VCC
HOLD
S
CK
S
I
1
2
3
4
8
7
6
5
C
S
S
O
WP
GND
VCC
HOLD
S
CK
S
I
8
-le
a
d PDIP
8
-le
a
d
S
OIC
1
2
3
4
8
7
6
5
C
S
S
O
WP
GND
VCC
HOLD
S
CK
S
I
8
-le
a
d T
SS
OP
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT25040A-10TQ-2.7 | 128 x 64 pixel format, LED Backlight available |
| AT25010 | 1K SPI Serial EEPROM(1K SPI串行EEPROM) |
| AT25080-10PI-1.8 | SPI Serial EEPROMs |
| AT25160-10PI-1.8 | SPI Serial EEPROMs |
| AT25320-10PI-1.8 | SPI Serial EEPROMs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT25020A-10TU-1.8 | 功能描述:電可擦除可編程只讀存儲器 NIPDAU AUTO 2.7V - 10MS IND TEMP 1.8V 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 |
| AT25020A-10TU-1.8-T | 功能描述:IC EEPROM 2KBIT 20MHZ 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） 時鐘頻率:20MHz 寫周期時間 - 字，頁:5ms 存儲器接口: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:AT25020 標(biāo)準(zhǔn)包裝:5,000 |
| AT25020A-10TU-2.7 | 功能描述:電可擦除可編程只讀存儲器 NIPDAU AUTO 2.7V - 10MS IND TEMP 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 |
| AT25020A-10TU-2.7-T | 功能描述:IC EEPROM 2KBIT 20MHZ 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） 時鐘頻率:20MHz 寫周期時間 - 字，頁:5ms 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:AT25020 標(biāo)準(zhǔn)包裝:5,000 |
| AT25020AN-10SE-2.7 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:SPI Serial Extended TEMPERATURE EEPROMS 1K 2K 4K |
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