Princeton Technology Corp. 2M Bit OTP Memory IC Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT28C020 DESCRIPTION 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 Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Princeton Technology Corp. 2M Bit OTP Memory IC PT28C020 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 PT28C020-90 A7 A6 A5 A4 A3 A2 A1 A0 D0 5 6 7 8 9 10 11 12 13 29 28 27 26 25 24 23 22 21 A14 A13 A8 A9 A11 OE A10 CE D7 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 D1 D2 GND D3 D4 D5 D6 Vpp A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 D0 D1 D2 GND 4 3 2 1 32 31 30 A12 A15 A16 Vpp VCC WE A17 PIN CONFIGURATION PT28C020P-90 ORDER INFORMATION Valid Part Number PT28C020-90 PT28C020P-90 PT28C020 v 1.1 Package Type 32 Pins, DIP Package (600 mil) 32 Pins, PLCC Package Page 2 Updated APRIL 2001