Document
Princeton Technology Corp.
www.DataSheet4U.com
Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw
2M Bit OTP Memory IC DESCRIPTION
PT28C020
PT28C020 is a 2M Bit OTP Memory IC utilizing CMOS Technology. It is organized as 256K x 8 bits and has a read access time of 90 nS. Housed in 32-pin, PDIP or PLCC package, PT28C020’s pin configuration, programming algorithm and command register are compatible with 27C020.
FEATURES
• • • • • • • • • • • • • High Performance CMOS Technology Low Power Consumption Read Access Time: 90 ns On-board, or Programmer Programming 12.75 V Programming Voltage Typical Programming Pulse Duration-10 us 30mA Active Current 20uA Standby Current Fast Turn-Off for Microprocessor Compatibility Compatible with 27020 & 27C020 EPROMs JEDEC standard pin configuration 32-pin PDIP package 32-pin PLCC package
PT28C020 v 1.1
Page 1
Updated APRIL 2001
Princeton Technology Corp.
www.DataSheet4U.com
Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw
2M Bit OTP Memory IC PIN CONFIGURATION
A12 A15 A16 Vpp VCC WE A17
PT28C020
Vpp A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 D0 D1 D2 GND
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
VCC WE A17 A14 A13 A8 A9 A11 OE A10 CE D7 D6 D5 D4 D3
A7 A6 A5 A4 A3 A2 A1 A0 D0
4 3 2 1 32 31 30
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
29 28 27 26 25 24 23 22 21
A14 A13 A8 A9 A11 OE A10 CE D7
PT28C020-90
PT28C020P-90
ORDER INFORMATION
Valid Part Number PT28C020-90 PT28C020P-90 Package Type 32 Pins, DIP Package (600 mil) 32 Pins, PLCC Package
PT28C020 v 1.1
Page 2
D1 D2 GND D3 D4 D5 D6
Updated APRIL 2001
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