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HT27C512 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc

Part # HT27C512
Description  OTP CMOS 64Kx 8-Bit EPROM
PDF  10 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT27C512 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc

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HT27C512
OTP CMOS 64K
×8-Bit EPROM
Block Diagram
Features
•
Operating voltage: +5.0V
•
Programming voltage
–
VPP=12.2V
±0.2V
–
VCC=5.8V
±0.2V
•
High-reliability CMOS technology
•
Latch-up immunity to 100mA from -1.0V to
VCC+1.0V
•
CMOS and TTL compatible I/O
•
Low power consumption
–
Active: 30mA max.
–
Standby: 1
µA typ.
•
64K
×8-bit organization
•
Fast read access time: 70ns, 90ns and 120ns
•
Fast programming algorithm
•
Programming time 75
µs typ.
•
Two line control (OE & CE)
•
Standard product identification code
•
Package type
–
28-pin DIP/SOP
–
32-pin PLCC
•
Commercial temperature range
(0
°C to +70°C)
General Description
The HT27C512 chip family is a low-power,
512K bit, +5V electrically one-time programma-
ble (OTP) read-only memories (EPROM). Or-
ganized into 64K words with 8 bits per word, it
features a fast single address location program-
ming, typically at 75
µs per byte. Any byte can
be accessed in less than 70ns/90ns with respect
to Spec. This eliminates the need for WAIT
states in high-performance microprocessor sys-
tems. The HT27C512 has separate Output En-
able (OE) and Chip Enable (CE) controls which
eliminate bus contention issues.
1
6th May ’99


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