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參數(shù)資料
| 型號： | AT49LV020-90TC |
| 廠商： | ATMEL CORP |
| 元件分類： | DRAM |
| 英文描述： | LM4903 Boomer ® Audio Power Amplifier Series 1 Watt Audio Power Amplifier; Package: MINI SOIC; No of Pins: 8 |
| 中文描述： | 256K X 8 FLASH 3V PROM, 90 ns, PDSO32 |
| 封裝： | PLASTIC, MO-142BD, TSOP-32 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 167K |
| 代理商： | AT49LV020-90TC |
1
Features
Single Supply Voltage, Range 2.7V to 3.6V
Single Supply for Read and Write
Fast Read Access Time - 70 ns
Internal Program Control and Timer
8K bytes Boot Block With Lockout
Fast Erase Cycle Time - 10 seconds
Byte By Byte Programming - 30
μ
s/Byte typical
Hardware Data Protection
DATA Polling For End Of Program Detection
Low Power Dissipation
– 25 mA Active Current
– 50
μ
A CMOS Standby Current
Typical 10,000 Write Cycles
Description
The AT49BV020 and the AT49LV020 are 3-volt-only, 2 megabit Flash memories
organized as 262,144 words of 8 bits each. Manufactured with Atmel's advanced non-
volatile CMOS technology, the devices offer access times to 70 ns with power dissipa-
tion of just 90 mW over the commercial temperature range. When the device is dese-
lected, the CMOS standby current is less than 50
μ
A.
To allow for simple in-system reprogrammability, the AT49BV/LV020 does not require
high input voltages for programming. Three-volt-only commands determine the read
and programming operation of the device. Reading data out of the device is similar to
reading from an EPROM. Reprogramming the AT49BV/LV020 is performed by eras-
ing the entire 2 megabits of memory and then programming on a byte by byte basis.
The typical byte programming time is a fast 30
μ
s. The end of a program cycle can be
optionally detected by the DATA polling feature. Once the end of a byte program cycle
has been detected, a new access for a read or program can begin. The typical num-
ber of program and erase cycles is in excess of 10,000 cycles.
Pin Configuration
2-Megabit
(256K x 8)
Single 2.7-volt
Battery-Voltage
Flash Memory
AT49BV020
AT49LV020
Rev. 0678C–03/98
(continued)
Pin Name
Function
A0 - A17
Addresses
CE
Chip Enable
OE
Output Enable
WE
Write Enable
I/O0 - I/O7
Data Inputs/Outputs
NC
No Connect
PLCC Top View
VSOP Top View (8 x 14mm) or
TSOP Top View (8 x 20mm)
Type 1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT49LV020-90TI | LM4903 Boomer ® Audio Power Amplifier Series 1 Watt Audio Power Amplifier; Package: MINI SOIC; No of Pins: 8 |
| AT49LV020-90VC | 2-Megabit 256K x 8 Single 2.7-volt Battery-Voltage Flash Memory |
| AT49LV020-90VI | LM4904 Boomer ® Audio Power Amplifier Series 1 Watt Audio Power Amplifier; Package: MICRO SMD; No of Pins: 8 |
| AT49LV020-12JC | 2-Megabit 256K x 8 Single 2.7-volt Battery-Voltage Flash Memory |
| AT49BV020-12JC | 2-Megabit 256K x 8 Single 2.7-volt Battery-Voltage Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT49LV040-12JC | 功能描述:閃存 4M bit RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 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 |
| AT49LV040-12JI | 功能描述:閃存 4M bit RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 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 |
| AT49LV040-12TC | 功能描述:閃存 4M bit RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 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 |
| AT49LV040-12TI | 功能描述:IC FLASH 4MBIT 120NS 32TSOP RoHS:否 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:378 系列:- 格式 - 存儲器:閃存 存儲器類型:FLASH 存儲容量:8M（1M x 8，512K x 16） 速度:110ns 接口:并聯(lián) 電源電壓:2.7 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 封裝/外殼:48-CBGA 供應(yīng)商設(shè)備封裝:48-CBGA（7x7） 包裝:托盤 |
| AT49LV040-12VC | 功能描述:閃存 4M bit RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 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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