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參數資料
| 型號： | AT49F2048A |
| 廠商： | Atmel Corp. |
| 英文描述： | 2-megabit 5-volt Only CMOS Flash Memory(2M位 5V CMOS閃速存儲器) |
| 中文描述： | 2兆位5伏只有閃存的CMOS（200萬位5V的CMOS閃速存儲器） |
| 文件頁數： | 1/13頁 |
| 文件大小： | 276K |
| 代理商： | AT49F2048A |
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SOIC (SOP)
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NC
NC
NC
A7
A6
A5
A4
A3
A2
A1
A0
CE
GND
OE
I/O0
I/O8
I/O1
I/O9
I/O2
I/O10
I/O3
I/O11
RESET
WE
A8
A9
A10
A11
A12
A13
A14
A15
A16
BYTE
GND
I/O15/A-1
I/O7
I/O14
I/O6
I/O13
I/O5
I/O12
I/O4
VCC
TSOP Top View
Type 1
Note:
“” denotes a white dot marked on
the package.
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A15
A14
A13
A12
A11
A10
A9
A8
NC
NC
WE
RESET
NC
NC
NC
NC
NC
A7
A6
A5
A4
A3
A2
A1
A16
BYTE
GND
I/O15/A-1
I/O7
I/O14
I/O6
I/O13
I/O5
I/O12
I/O4
VCC
I/O11
I/O3
I/O10
I/O2
I/O9
I/O1
I/O8
I/O0
OE
GND
CE
A0
Features
Single-voltage Operation
– 5V Read
– 5V Reprogramming
Fast Read Access Time –
70 ns
Internal Erase/Program Control
Sector Architecture
–
One 8K Word (16K Bytes) Boot Block with Programming Lockout
–
Two 4K Word (8K Bytes) Parameter Blocks
–
One 112K Word (224K bytes) Main Memory Array Block
Fast Sector Erase Time
–
10 seconds
Byte-by-byte or Word-by-word Programming
–
50 μs
Hardware Data Protection
Data Polling for End of Program Detection
Low Power Dissipation
–
50 mA Active Current
–
100 μA CMOS Standby Current
Typical 10,000 Write Cycles
Description
The AT49F2048A is a 5-volt-only, 2-megabit Flash memory organized as 262,144
words of 8 bits each or 128K words of 16 bits each. Manufactured with Atmel
’
s
2-megabit
(256K x 8/
128K x 16)
5-volt Only
CMOS Flash
Memory
AT49F2048A
Rev. 1159E
–
06/00
(continued)
Pin Configurations
Pin Name
Function
A0 - A16
Addresses
CE
Chip Enable
OE
Output Enable
WE
Write Enable
RESET
Reset
I/O0 - I/O14
Data Inputs/Outputs
I/O15 (A-1)
I/O15 (Data Input/Output, Word Mode)
A-1 (LSB Address Input, Byte Mode)
BYTE
Selects Byte or Word Mode
NC
No Connect
相關PDF資料 |
PDF描述 |
|---|---|
| AT49F2048 | 128K x 16 5-volt Only Flash Memory(128K x 16 5V閃速存儲器) |
| AT49F4096-12RC | Dual 16-Bit Binary Counters with 3-State Output Registers 20-TSSOP -40 to 85 |
| AT49F4096-12RI | Dual 16-Bit Binary Counters with 3-State Output Registers 20-TSSOP -40 to 85 |
| AT49F4096-12TC | Dual 16-Bit Binary Counters with 3-State Output Registers 20-TSSOP -40 to 85 |
| AT49F4096-12TI | 4 Megabit 256K x 16 5-volt Only CMOS Flash Memory |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AT49F2048A-70RC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2-megabit 256K x 8/ 128K x 16 5-volt Only CMOS Flash Memory |
| AT49F2048A-70RI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2-megabit 256K x 8/ 128K x 16 5-volt Only CMOS Flash Memory |
| AT49F2048A-70TC | 功能描述:閃存 2M bit RoHS:否 制造商:ON Semiconductor 數據總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結構: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 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| AT49F2048A-70TI | 功能描述:閃存 2M bit RoHS:否 制造商:ON Semiconductor 數據總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結構: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 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| AT49F2048A-90RC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2-megabit 256K x 8/ 128K x 16 5-volt Only CMOS Flash Memory |
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