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Hello. Welcome to Futurlec. The ELECTRONIC COMPONENTS Superstore. To find the component your looking for, either search by Part Number or visit the relative department. Need Help.


28C256 - 28C256 256K 250ns Parallel EEPROM Technical Data

Photograph
28C256 Atmel IC
Features

arrowFast Read Access Time - 150 ns

arrowFast Byte Write - 200µs or 1 ms

arrowSelf-Timed Byte Write Cycle

arrowDirect Microprocessor Control

arrowLow Power - 30mA Active Current, 100µA CMOS Standby Current

arrowHigh Reliability - Endurance 1,000 cycles, Data Retention: 10 Years

arrow5V Supply

arrowCMOS & TTL Compatible Inputs and Outputs


Pin Description
Pin Number Description
1 A14 - Address Input
2 A12 - Address Input
3 A7 - Address Input
4 A6 - Address Input
5 A5 - Address Input
6 A4 - Address Input
7 A3 - Address Input
8 A2 - Address Input
9 A1 - Address Input
10 A0 - Address Input
11 I/O0 - Data Input/Output
12 I/O1 - Data Input/Output
13 I/O2 - Data Input/Output
14 GND - Ground
15 I/O3 - Data Input/Output
16 I/O4 - Data Input/Output
17 I/O5 - Data Input/Output
18 I/O6 - Data Input/Output
19 I/O7 - Data Input/Output
20 CE - Chip Enable
21 A10 - Address Input
22 OE - Output Enable
23 A11 - Address Input
24 A9 - Address Input
25 A8 - Address Input
26 A13 - Address Input
27 WR - Write Enable
28 Vcc - Positive Power Supply
Pin Layout
28C256 Pin Layout

Dimensional Drawing
IC Dimensional Drawing

Technical Data

Data Sheet

Atmel - Data Sheet for 28C256

Application Notes

   





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