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參數(shù)資料
| 型號： | AT28HC256-12JI |
| 廠商： | ATMEL CORP |
| 元件分類： | DRAM |
| 英文描述： | 256 32K x 8 High Speed Parallel EEPROMs |
| 中文描述： | 32K X 8 EEPROM 5V, 120 ns, PQCC32 |
| 封裝： | PLASTIC, MS-016AE, LCC-32 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 445K |
| 代理商： | AT28HC256-12JI |
1
Features
Fast Read Access Time - 70 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
– 80 mA Active Current
– 3 mA 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 AT28HC256 is a high-performance Electrically Erasable and Programmable
Read Only Memory. Its 256K of memory is organized as 32,768 words by 8 bits. Man-
ufactured with Atmel’s advanced nonvolatile CMOS technology, the AT28HC256
256 (32K x 8)
High Speed
Parallel
EEPROMs
AT28HC256
Rev. 0007G–10/98
Pin Configurations
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
TSOP
Top View
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
OE
A11
A9
A8
A13
WE
VCC
A14
A12
A7
A6
A5
A4
A3
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
GND
I/O2
I/O1
I/O0
A0
A1
A2
LCC, PLCC
Top View
Note: PLCC package pins 1 and
17 are DON’T CONNECT.
5
6
7
8
9
10
11
12
13
29
28
27
26
25
24
23
22
21
A6
A5
A4
A3
A2
A1
A0
NC
I/O0
A8
A9
A11
NC
OE
A10
CE
I/O7
I/O6
4
3
2
1
3
3
3
1
1
1
1
1
1
2
I
I
G
D
I
I
I
A
A
A
D
V
W
A
PGA
Top View
(continued)
CERDIP PDIP FLATPACK
Top View
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
VCC
WE
A13
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
相關PDF資料 |
PDF描述 |
|---|---|
| AT28HC256-12PC | High Speed CMOS Logic Dual Retriggerable Monostable Multivibrators with Reset 16-PDIP -55 to 125 |
| AT28HC256-12PI | High Speed CMOS Logic Dual Retriggerable Monostable Multivibrators with Reset 16-SOIC -55 to 125 |
| AT28HC256-12SC | High Speed CMOS Logic Dual Retriggerable Monostable Multivibrators with Reset 16-SOIC -55 to 125 |
| AT28HC256-12SI | High Speed CMOS Logic Dual Retriggerable Monostable Multivibrators with Reset 16-SOIC -55 to 125 |
| AT28HC256-12TC | High Speed CMOS Logic Dual Retriggerable Monostable Multivibrators with Reset 16-SOIC -55 to 125 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AT28HC256-12JISL383 | 制造商:Atmel Corporation 功能描述: |
| AT28HC256-12JU | 功能描述:電可擦除可編程只讀存儲器 256K 5V SDP - 120NS IND TEMP RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)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 |
| AT28HC256-12JU SL383 | 制造商:Atmel Corporation 功能描述:EEPROM Parallel 256K-Bit 32K x 8 5V 32-Pin PLCC T/R 制造商:Atmel Corporation 功能描述:EEPROM PARALLEL 256KBIT 32KX8 5V 32PLCC - Tape and Reel |
| AT28HC256-12JU-070 | 功能描述:IC EEPROM 256KBIT 120NS 32PLCC 制造商:microchip technology 系列:- 包裝:剪切帶（CT） 零件狀態(tài):Digi-Key 停止供應 存儲器類型:非易失 存儲器格式:EEPROM 技術:EEPROM 存儲容量:256Kb （32K x 8） 寫周期時間 - 字，頁:10ms 訪問時間:120ns 存儲器接口:并聯(lián) 電壓 - 電源:4.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C（TC） 安裝類型:表面貼裝 封裝/外殼:32-LCC（J 形引線） 供應商器件封裝:32-PLCC（11.43x13.97） 標準包裝:1 |
| AT28HC256-12JU-T | 功能描述:IC EEPROM 256KBIT 120NS 32PLCC 制造商:microchip technology 系列:- 包裝:剪切帶（CT） 零件狀態(tài):在售 存儲器類型:非易失 存儲器格式:EEPROM 技術:EEPROM 存儲容量:256Kb （32K x 8） 寫周期時間 - 字，頁:10ms 訪問時間:120ns 存儲器接口:并聯(lián) 電壓 - 電源:4.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C（TC） 安裝類型:表面貼裝 封裝/外殼:32-LCC（J 形引線） 供應商器件封裝:32-PLCC（11.43x13.97） 標準包裝:1 |
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