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28C64A-15 - 28C64A 64K 150ns Parallel EEPROM Technical Data

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28C64A-15 - 28C64A 64K 150ns Parallel EEPROM Technical Data

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 Layout
Atmel 28C64A Pin Layout

Pin Description
Pin Number Description
1 RDY/BUSY - Ready/Busy Output
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 0
12 I/O1 - Data Input/Output 1
13 I/O2 - Data Input/Output 2
14 GND - Ground
15 I/O3 - Data Input/Output 3
16 I/O4 - Data Input/Output 4
17 I/O5 - Data Input/Output 5
18 I/O6 - Data Input/Output 6
19 I/O7 - Data Input/Output 7
20 OE - Output Enable
21 A10 - Address Input
22 OE - Output Enable
23 A11 - Address Input
24 A9 - Address Input
25 A8 - Address Input
26 NC - Not Connected
27 WR - Write Enable
28 Vcc - Positive Power Supply

Dimensional Drawing
28C64A IC Dimensional Drawing

Technical Data

Data Sheet

Atmel - Datasheet for 28C64A Datasheet

Application Notes