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27E512

Winbond
Part Number 27E512
Manufacturer Winbond
Description W27E512
Published Mar 9, 2009
Detailed Description www.DataSheet4U.com W27E512 64K × 8 ELECTRICALLY ERASABLE EPROM GENERAL DESCRIPTION The W27E512 is a high speed, low po...
Datasheet PDF File 27E512 PDF File

27E512
27E512

Overview
www.
DataSheet4U.
com W27E512 64K × 8 ELECTRICALLY ERASABLE EPROM GENERAL DESCRIPTION The W27E512 is a high speed, low power Electrically Erasable and Programmable Read Only Memory organized as 65536 × 8 bits that operates on a single 5 volt power supply.
The W27E512 provides an electrical chip erase function.
FEATURES • High speed access time: • • • • 45/55/70/90/120/150 nS (max.
) Read operating current: 30 mA (max.
) Erase/Programming operating current 30 mA (max.
) Standby current: 1 mA (max.
) Single 5V power supply • +14V erase/+12V programming voltage • Fully static operation • All inputs and outputs directly TTL/CMOS compatible • Three-state outputs • Available packages: 28-pin 600 mil DIP, 330 mil SOP, TSOP and 32-pin PLCC PIN CONFIGURATIONS A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 Q0 Q1 Q2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28-pin DIP 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VCC A14 A13 A8 A9 A11 OE/Vpp A10 CE Q7 Q6 Q5 Q4 Q3 BLOCK DIAGRAM OUTPUT BUFFER Q0 .
.
Q7 CE OE/VPP CONTROL A0 .
DECODER .
A15 CORE ARRAY A A V A A A 1 1 N C 1 1 7 2 5 C C 4 3 4 3 2 1 3 2 5 6 7 8 32-pin 9 PLCC 10 11 12 1 1 1 1 1 13 4 5 6 7 8 3 3 1 0 29 28 27 26 25 24 23 22 1 2 9 0 21 VCC GND A8 A9 A11 NC OE/Vpp A10 CE Q7 Q6 A6 A5 A4 A3 A2 A1 A0 NC Q0 PIN DESCRIPTION SYMBOL A0−A15 Q0−Q7 DESCRIPTION Address Inputs Data Inputs/Outputs Chip Enable Output Enable, Program/Erase Supply Voltage Power Supply Ground No Connection Q Q G N Q Q Q 1 2 N C 3 4 5 D OE/Vpp A11 A9 A8 A13 A14 VCC A15 A12 A7 A6 A5 A4 A3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 A10 CE Q7 Q6 Q5 Q4 Q3 GND Q2 Q1 Q0 A0 A1 A2 CE OE /VPP VCC GND NC 28-pin TSOP -1- Publication Release Date: June 2000 Revision A9 www.
DataSheet4U.
com W27E512 FUNCTIONAL DESCRIPTION Read Mode Like conventional UVEPROMs, the W27E512 has two control functions, both of which produce data at the outputs.
CE is for power control and chip select.
OE/VPP controls the output buffer to gate data to the output pins.
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