EN27LV020 Datasheet, PDF (1/13 Pages) List of Unclassifed Manufacturers – 2Megabit Low Voltage EPROM (256K x 8)

EN27LV020 / EN27LV020B
EN27LV020 / EN27LV020B 2Megabit Low Voltage EPROM (256K x 8)
FEATURES
• Read Access Time:
-90ns, -120ns, -150ns, -200ns
• Single +3.3V Power Supply
-Regulated power supply 3.0V - 3.6V
(EN27LV020)
-Unregulated power supply 2.7V - 3.6V
(EN27LV020B for battery operated systems)
• Programming Voltage +12.75V
• QuikRite^TM Programming Algorithm
• Typical programming time 20µs
• Low Power CMOS Operation
• 1µA Standby (Typical)
• 15mA Operation (Max.)
• CMOS- and TTL-Compatible I/O
• High-Reliability CMOS Technology
• Latch-Up Immunity to 100mA
from -1V to V_CC + 1V
• Two-Line Control ( OE & CE )
• Standard Product Identification Code
• JEDEC Standard Pinout
• 32-pin PDIP
• 32-pin PLCC
• 32-pin TSOP (Type 1)
• Commercial and Industrial Temperature
Ranges
GENERAL DESCRIPTION
The EN27LV020 / EN27LV020B is a low-voltage, low-power 2-Megabit, 3.3V one-time-
programmable (OTP) read-only memory (EPROM). Organized into 256K words with 8 bits per
word, it features QuikRite^TM single-address location programming, typically at 20µs per byte. Any
byte can be accessed in less than 90ns. The EN27LV020 / EN27LV020B has separate Output
Enable ( OE ) and Chip Enable ( CE ) controls which eliminate bus contention issues. The
EN27LV020 has a Vcc tolerance range of 3.0V to 3.6 V, making it suitable for use in systems
that have regulated power supplies. The EN27LV020B has a Vcc tolerance range of 2.7 V to
3.6V, making it an ideal device for battery operated systems.
FIGURE 1. PDIP
Pin Name
Function
A17
A0-A17
Addresses
DQ0-DQ7
Outputs
CE
Chip Enable
OE
Output Enable
PGM
Program Strobe
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Santa Clara, CA. 95054
1
Preliminary
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