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參數資料
| 型號： | AT28C256-25JI |
| 廠商： | ATMEL CORP |
| 元件分類： | DRAM |
| 英文描述： | Octal Buffer/Driver With 3-State Outputs 20-TSSOP -40 to 85 |
| 中文描述： | 32K X 8 EEPROM 5V, 250 ns, PQCC32 |
| 封裝： | PLASTIC, MS-016AE, LCC-32 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 762K |
| 代理商： | AT28C256-25JI |
AT28C256
256K (32K x 8)
Paged
CMOS
E
2
PROM
Features
Fast Read Access Time - 150 ns
Automatic Page Write Operation
Internal Address and Data Latches for 64-Bytes
Internal Control Timer
Fast Write Cycle Times
Page Write Cycle Time: 3 ms or 10 ms Maximum
1 to 64-Byte Page Write Operation
Low Power Dissipation
50 mA Active Current
200
μ
A CMOS Standby Current
Hardware and Software Data Protection
DATA Polling for End of Write Detection
High Reliability CMOS Technology
Endurance: 10
4
or 10
5
Cycles
Data Retention: 10 Years
Single 5V
±
10% Supply
CMOS and TTL Compatible Inputs and Outputs
JEDEC Approved Byte-Wide Pinout
Full Military, Commercial, and Industrial Temperature Ranges
Description
The AT28C256 is a high-performance Electrically Erasable and Programmable Read
Only Memory. Its 256K of memory is organized as 32,768 words by 8 bits. Manufac-
tured with Atmel’s advanced nonvolatile CMOS technology, the device offers access
times to 150 ns with power dissipation of just 440 mW. When the device is deselected,
the CMOS standby current is less than 200
μ
A.
(continued)
LCC, PLCC
Top View
Pin Name
Function
A0 - A14
Addresses
CE
Chip Enable
OE
Output Enable
WE
Write Enable
I/O0 - I/O7
Data Inputs/Outputs
NC
No Connect
DC
Don’t Connect
Pin Configurations
TSOP
Top View
PGA
Top View
Note: PLCC package pins 1 and
17 are DON’T CONNECT.
CERDIP, PDIP,
FLATPACK, SOIC
Top View
0006F
AT28C256
2-217
相關PDF資料 |
PDF描述 |
|---|---|
| AT28C256-25PC | Octal Buffer/Driver With 3-State Outputs 20-TSSOP -40 to 85 |
| AT28C256-25PI | Octal Buffer/Driver With 3-State Outputs 20-TSSOP -40 to 85 |
| AT28C256-35 | Octal Buffer/Driver With 3-State Outputs 20-TSSOP -40 to 85 |
| AT28C256-W | Octal Buffer/Driver With 3-State Outputs 20-TSSOP -40 to 85 |
| AT28C256E | Octal Buffer/Driver With 3-State Outputs 20-TSSOP -40 to 85 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AT28C256-25LC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EEPROM |
| AT28C256-25LI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EEPROM |
| AT28C256-25LM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EEPROM |
| AT28C256-25LM/883 | 功能描述:電可擦除可編程只讀存儲器 256K 11MIL GRIND - 250NS RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| AT28C256-25LM/883 SL829 | 制造商:Atmel Corporation 功能描述:AT28C256-25LM/883SL829 - Rail/Tube |
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