AT28C16-W データシートの表示（PDF） - Atmel Corporation
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AT28C16-W Datasheet PDF : 9 Pages
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AT28C16
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
• 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 AT28C16 is a low-power, high-performance Electrically Erasable and Program-
mable Read Only Memory with easy to use features. The AT28C16 is a 16K memory
organized as 2,048 words by 8 bits. The device is manufactured with Atmel’s reliable
nonvolatile CMOS technology.
The AT28C16 is accessed like a static RAM for the read or write cycles without the
need of external components. During a byte write, the address and data are latched
Pin Configurations
(continued)
Pin Name
A0 - A10
CE
OE
WE
I/O0 - I/O7
NC
DC
Function
Addresses
Chip Enable
Output Enable
Write Enable
Data Inputs/Outputs
No Connect
Don’t Connect
16K (2K x 8)
CMOS
E2PROM
AT28C16
PLCC
Top View
PDIP, SOIC
Top View
Note: PLCC package pins 1 and
17 are DON’T CONNECT.
0540A
2-165
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