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參數(shù)資料
| 型號(hào)： | AT29LV040A |
| 廠商： | Atmel Corp. |
| 英文描述： | 512K x 8 3-volt Only 256-Byte Sector Flash Memory(512K x 8 3V 256字節(jié)扇區(qū)閃速存儲(chǔ)器) |
| 中文描述： | 為512k × 8 3伏的只有256字節(jié)的扇區(qū)閃存（為512k × 8 3V的256字節(jié)扇區(qū)閃速存儲(chǔ)器） |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 130K |
| 代理商： | AT29LV040A |
1
Features
Single Voltage, Range 3V to 3.6V Supply
3-Volt Only Read and Write Operation
Software Protected Programming
Fast Read Access Time - 200 ns
Low Power Dissipation
– 15 mA Active Current
– 40 μA CMOS Standby Current
Sector Program Operation
– Single Cycle Reprogram (Erase and Program)
– 2048 Sectors (256 bytes/sector)
– Internal Address and Data Latches for 256 Bytes
Two 16K Bytes Boot Blocks with Lockout
Fast Sector Program Cycle Time - 20 ms Max.
Internal Program Control and Timer
DATA Polling for End of Program Detection
Typical Endurance > 10,000 Cycles
CMOS and TTL Compatible Inputs and Outputs
Commercial and Industrial Temperature Ranges
Description
The AT29LV040A is a 3-volt only in-system Flash Programmable and Erasable Read
Only Memory (PEROM). Its 4 megabits of memory is organized as 524,288 words by
8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS EEPROM technology,
the device offers access times to 200 ns, and a low 54 mW power dissipation. When
the device is deselected, the CMOS standby current is less than 40
μ
A. The device
endurance is such that any sector can typically be written to in excess of 10,000
times. The programming algorithm is compatible with other devices in Atmel’s 3-volt
only Flash memories.
To allow for simple in-system reprogrammability, the AT29LV040A does not require
high input voltages for programming. Three-volt-only commands determine the opera-
tion of the device. Reading data out of the device is similar to reading from an
EPROM. Reprogramming the AT29LV040A is performed on a sector basis; 256 bytes
of data are loaded into the device and then simultaneously programmed.
During a reprogram cycle, the address locations and 256 bytes of data are captured at
microprocessor speed and internally latched, freeing the address and data bus for
other operations. Following the initiation of a program cycle, the device will automati-
Pin Configurations
4-Megabit
(512K x 8)
3-volt Only
256-Byte Sector
Flash Memory
AT29LV040A
Rev. 0334D–10/98
Pin Name
Function
A0 - A18
Addresses
CE
Chip Enable
OE
Output Enable
WE
Write Enable
I/O0 - I/O7
Data Inputs/Outputs
NC
No Connect
TSOP Top View
Type 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
A11
A9
A8
A13
A14
A17
WE
VCC
A18
A16
A15
A12
A7
A6
A5
A4
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
GND
I/O2
I/O1
I/O0
A0
A1
A2
A3
(continued)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT29LV040A 20TC | 制造商:Atmel Corporation 功能描述: |
| AT29LV040A_08 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:4-megabit (512K x 8) 3-volt Only 256-byte Sector Flash Memory |
| AT29LV040A-15JC | 功能描述:閃存 4M(512Kx8) 3.3V- 150NS COM TEMP RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲(chǔ)類型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類型: 接口類型:SPI 訪問時(shí)間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| AT29LV040A-15JI | 功能描述:閃存 4M(512Kx8) 3.3V 150NS IND TEMP RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲(chǔ)類型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類型: 接口類型:SPI 訪問時(shí)間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| AT29LV040A-15JU | 功能描述:閃存 512K x 8 150 ns 3.0V-3.6V RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲(chǔ)類型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類型: 接口類型:SPI 訪問時(shí)間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
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