UPD42264V-10

www.DataSheet4U.com ********** C-MOS DUALPORT GRAPHIC BUFFER -SIDE VIEW- UPD42264V-10 (1/2) IL00 1 5 10 15 VDD (+5V) 20 GND 24 W3/IO3 W4/IO4 SOE SO3 SO4 SC SO1 SO2 DT/OE W1/IO1 W2/IO2 WB/WE RAS A6 A5 A4 11 12 1 2 SO1 SO2 SO3 SO4 8 9 4 5 23 22 21 20 17 16 15 19 A0 A1 A2 A3 A4 A5 A6 A7 W1/IO1 W2/IO2 W3/IO3 W4/IO4 INPUT A0-A7 CAS DT OE RAS SC SOE W1-W4 WB WE ; ; ; ; ; ; ; ; ; ; ADDRESS COLUMN ADDRESS STROBE DATA TRANSFER CONTROL OUTPUT ENABLE ROW ADDRESS STROBE SERIAL CONTROL CLOCK SERIAL OUTPUT ENABLE WRITE PAR BIT SELECT DATA WRITE PAR BIT CONTROL WRITE ENABLE 3 14 24 10 13 7 SOE RAS CAS DT/OE WB/WE SC OUTPUT SO1-SO4 ; SERIAL DATA INPUT/OUTPUT IO1-IO4 ; DATA ww w.D a taS hee t4U .co m A7 A3 A2 A1 A0 CAS www.DataSheet4U.com UPD42264V-10 (2/2) RAS CAS WB/WE DT/OE 14 24 13 10 TIMING PULSE GENERATOR CIRCUIT CONTROL CLOCK 11 I/O BUFFER W1/IO1 W2/IO2 W3/IO3 W4/IO4 12 1 2 COLUMN DECODER A0 A1 A2 A3 A4 A5 A6 A7 23 22 21 20 17 16 15 19 ADDRESS INPUT BUFFER 1024 COLUMN ROW DECODER MEMORY CELL ARRAY VDD GND 18 6 TRANSFER GATE 256 WORD X 4BIT DATA REGISTER 256 ROW SERIAL OUTPUT BUFFER SC 7 ADDRESS COUNTER SERIAL DATA SELECTOR 8 9 4 5 SO1 SO2 SO3 SO4 SOE 3 ww w.D ata Sh eet 4U .co m ...