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參數(shù)資料
| 型號： | AT25640A |
| 廠商： | Atmel Corp. |
| 英文描述： | High Speed CMOS Logic 8-Input NAND Gate 14-TSSOP -55 to 125 |
| 中文描述： | SPI串行EEPROM |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 388K |
| 代理商： | AT25640A |
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
32-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 (2 ms [5V] typical)
High Reliability
– Endurance: One Million Write Cycles
– Data Retention: 100 Years
8-lead PDIP, 8-lead JEDEC SOIC Packages and 8-lead TSSOP Packages
Description
The AT25080A/160A/320A/640A provides 8192/16384/32768/65536 bits of serial
electrically-erasable programmable read-only memory (EEPROM) organized as
1024/2048/4096/8192 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 AT25080A/160A/320A/640A is available in space-saving 8-lead PDIP, 8-lead
JEDEC SOIC and 8-lead TSSOP packages.
The AT25080A/160A/320A/640A 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 to the status register. 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
NC
No Connect
DC
Don’t Connect
SPI Serial
Extended
Temperature
EEPROMs
8K (1024 x 8)
16K (2048 x 8)
32K (4096 x 8)
64K (8192 x 8)
AT25080A
AT25160A
AT25320A
AT25640A
5082B–SEEPR–1/05
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
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
1
2
3
4
8
7
6
5
C
S
S
O
WP
GND
VCC
HOLD
S
CK
S
I
8
-le
a
d
S
OIC
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT25640A-10PI-1.8 | SPI Serial EEPROMs |
| AT25640A-10PI-2.7 | SPI Serial EEPROMs |
| AT25640A-10TI-1.8 | High Speed CMOS Logic Quad 2-Input OR Gates 14-PDIP -55 to 125 |
| AT25640A-10TI-2.7 | High Speed CMOS Logic Quad 2-Input OR Gates 14-PDIP -55 to 125 |
| AT25640A-10TU-2.7 | High Speed CMOS Logic Quad 2-Input OR Gates 14-SOIC -55 to 125 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT25640A-10PE-2.7 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:SPI Serial EEPROMs |
| AT25640A-10PI-1.8 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:SPI Serial EEPROMs |
| AT25640A-10PI-2.7 | 功能描述:電可擦除可編程只讀存儲器 64k (8192x8) 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 |
| AT25640A-10PQ-2.7 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:SPI Serial EEPROMs |
| AT25640A-10PU-1.8 | 功能描述:電可擦除可編程只讀存儲器 64K SPI 1M CYCLES - 10MS 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 |
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