AT28C17_14 Datasheet, PDF (1/12 Pages) ATMEL Corporation – Self-Timed Byte Write Cycle

Features
• Fast Read Access Time - 150 ns
• Fast Byte Write - 200 µs or 1 ms
• Self-Timed Byte Write Cycle
– Internal Address and Data Latches
– Internal Control Timer
– Automatic Clear Before Write
• Direct Microprocessor Control
– DATA POLLING
– READY/BUSY Open Drain Output
• Low Power
– 30 mA Active Current
– 100 µa CMOS Standby Current
• High Reliability
– Endurance: 10⁴ or 10⁵ Cycles
– Data Retention: 10 Years
• 5V ± 10% Supply
• CMOS & TTL Compatible Inputs and Outputs
• JEDEC Approved Byte Wide Pinout
• Commercial and Industrial Temperature Ranges
Description
The AT28C17 is a low-power, high-performance Electrically Erasable and Program-
mable Read Only Memory with easy to use features. The AT28C17 is a 16K memory
organized as 2,048 words by 8 bits. The device is manufactured with Atmel’s reliable
nonvolatile CMOS technology.
(continued)
Pin Configurations
Pin Name
A0 - A10
CE
OE
WE
I/O0 - I/O7
RDY/BUSY
NC
DC
Function
Addresses
Chip Enable
Output Enable
Write Enable
Data Inputs/Outputs
Ready/Busy Output
No Connect
Don’t Connect
PLCC
Top View
PDIP, SOIC
Top View
RDY/BUSY 1
NC 2
A7 3
A6 4
A5 5
A4 6
A3 7
A2 8
A1 9
A0 10
I/O0 11
I/O1 12
I/O2 13
GND 14
28 VCC
27 WE
26 NC
25 A8
24 A9
23 NC
22 OE
21 A10
20 CE
19 I/O7
18 I/O6
17 I/O5
16 I/O4
15 I/O3
A6 5
A5 6
A4 7
A3 8
A2 9
A1 10
A0 11
NC 12
I/O0 13
29 A8
28 A9
27 NC
26 NC
25 OE
24 A10
23 CE
22 I/O7
21 I/O6
Note: PLCC package pins 1 and 17 are
DON’T CONNECT.
16K (2K x 8)
Parallel
EEPROMs
AT28C17
Rev. 0541B–10/98
1