Description
The AT27C516 is a low-power, high performance 524,288 bit one-time programma-
ble read only memory (OTP EPROM) organized 32K by 16 bits. It requires only one
5V power supply in normal read mode operation. Any word can be accessed in less
than 45 ns, eliminating the need for speed reducing WAIT states. The by-16 organi-
zation make this part ideal for high-performance 16 and 32 bit microprocessor sys-
tems.
(continued)
AT27C516
Pin Configurations
Pin Name Function
A0 - A14 Addresses
O0 - O15 Outputs
CE Chip Enable
OE Output Enable
PGM Program Strobe
NC No Connect
Note: Both GND pins must
be connected.
512K (32K x 16)
OTP CMOS
EPROM
Note: PLCC Package Pins 1
and 23 are DON’T CONNECT.
PLCC Top View
Features
•
Fast Read Access Time - 45 ns
•
Low Power CMOS Operation
100 µA max. Standby
30 mA max. Active at 5 MHz
•
JEDEC Standard Packages
44-Lead PLCC
40-Lead TSOP (10mm x 14mm)
•
5V ± 10% Power Supply
•
High Reliability CMOS Technology
2000V ESD Protection
200 mA Latchup Immunity
•
Rapid

Programming Algorithm - 50 µs/word (typical)
•
CMOS and TTL Compatible Inputs and Outputs
•
Integrated Product Identification Code
•
Commercial and Industrial Temperature Ranges
TSOP Top View
Type 1
0362C
AT27C516
3-145