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參數(shù)資料
| 型號： | AT49BV040-20CC |
| 廠商： | ATMEL CORP |
| 元件分類： | DRAM |
| 英文描述： | 4-Megabit 512K x 8 Single 2.7-volt Battery-Voltage Flash Memory |
| 中文描述： | 512K X 8 FLASH 3V PROM, 200 ns, PBGA42 |
| 封裝： | 8 X 8 MM, PLASTIC, CBGA-42 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 210K |
| 代理商： | AT49BV040-20CC |
1
4-Megabit
(512K x 8)
Single 2.7-volt
Battery-Voltage
Flash Memory
AT49BV040
AT49BV040T
AT49LV040
AT49LV040T
AT49BV/LV040
Features
Single Voltage for Read and Write: 2.7V to 3.6V (BV), 3.0V to 3.6V (LV)
Fast Read Access Time - 120 ns
Internal Program Control and Timer
16K bytes Boot Block With Lockout
Fast Chip 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
Small Packaging
– 8 x 8 mm CBGA
– 8 x 14 mm V-TSOP
Description
The AT49BV/LV040 are 3-volt-only, 4-megabit Flash memories organized as 524,288
words of 8-bits each. Manufactured with Atmel’s advanced nonvolatile CMOS tech-
nology, the devices offer access times to 120 ns with power dissipation of just 90 mW
over the commercial temperature range. When the device is deselected, the CMOS
standby current is less than 50
μ
A.
The device contains a user-enabled “boot block” protection feature. Two versions of
the feature are available: the AT49BV/LV040 locates the boot block at lowest order
addresses (“bottom boot”); the AT49BV/LV040T locates it at highest order addresses
(“top boot”).
0679AX-A–9/97
Pin Configurations
Pin Name
Function
A0 - A18
Addresses
CE
Chip Enable
OE
Output Enable
WE
Write Enable
I/O0 - I/O7
Data Inputs/Outputs
CBGA Top View
A
B
C
D
E
F
1
2
3
4
5
6
7
GND
A17
A10
A14
A16
A15
I/O6
I/O7
NC
A13
A11
A12
VCC
I/O4
I/O5
A9
WE
A8
VCC
NC
NC
NC
NC
NC
I/O2
NC
I/O3
NC
A7
A18
OE
I/O0
I/O1
A6
A4
A5
GND
CE
A0
A3
A1
A2
PLCC Top View
V - TSOP Top View (8 x 14 mm) or
T - TSOP Top View (8 x 20 mm)
(continued)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT49BV040-20CI | 4-Megabit 512K x 8 Single 2.7-volt Battery-Voltage Flash Memory |
| AT49BV040-20JC | LM4562 Dual High Performance, High Fidelity Audio Operational Amplifier; Package: MDIP; No of Pins: 8 |
| AT49BV040T-15VC | LM4667 Boomer ® Audio Power Amplifier Series Filterless High Efficiency 1.3W Switching Audio Amplifier; Package: MINI SOIC; No of Pins: 10 |
| AT49BV040T-15VI | 4-Megabit 512K x 8 Single 2.7-volt Battery-Voltage Flash Memory |
| AT49BV040T-20CC | 4-Megabit 512K 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 |
|---|---|
| AT49BV040-20CI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:4-Megabit 512K x 8 Single 2.7-volt Battery-Voltage Flash Memory |
| AT49BV040-20JC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:4-Megabit 512K x 8 Single 2.7-volt Battery-Voltage Flash Memory |
| AT49BV040-20JI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:4-Megabit 512K x 8 Single 2.7-volt Battery-Voltage Flash Memory |
| AT49BV040-20TC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:4-Megabit 512K x 8 Single 2.7-volt Battery-Voltage Flash Memory |
| AT49BV040-20TI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:4-Megabit 512K x 8 Single 2.7-volt Battery-Voltage Flash Memory |
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