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UPD424400LA-80L

Part Number	UPD424400LA-80L
Manufacturer	ETC
Description	CMOS 4M-Bit DRAM
Published	Mar 17, 2006
Detailed Description	- TOP VIEW - UPD424400LA-80L(1/2) IL08 C-MOS 4M (1,048,576WORDx4)-BIT DYNAMIC RAM 9 10 11 12 14 15 16 17 18...
Datasheet	UPD424400LA-80L PDF File

Overview

- TOP VIEW - UPD424400LA-80L(1/2) IL08 C-MOS 4M (1,048,576WORDx4)-BIT DYNAMIC RAM 9 10 11 12 14 15 16 17 18 5 I/O1 1 I/O2 2 WE IN 3 RAS IN 4 A9 IN 5 GND 26 25 I/O4 24 I/O3 23 CAS IN 22 OE IN A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 1 I/O1 2 I/O2 24 I/O3 25 I/O4 A0 IN 9 A1 IN 10 A2 IN 11 A3 IN 12 13 V DD (+5V) 18 A8 17 A7 16 A6 15 A5 14 A4 IN IN IN IN IN A0-A9 CAS I/O1-I/O4 OE RAS WE ; ADDRESS INPUTS ; COLUMN ADDRESS STROBE INPUT ; DATA INPUTS/OUTPUTS ; OUTPUT ENABLE INPUT ; ROW ADDRESS STROBE INPUT ; WRITE ENABLE INPUT w w w t a .
D S a e h U 4 t e 23 CAS 4 RAS .
c WE 3 m o OE 22 w w w .
D a t a e h S 4 t e U m o .
c RAS 4 22 CAS DATA OUTPUT BUFFER CAS BEFORE RAS COUNTER 1024 MEMORY CELL ARRAY 1024x1024x4 1024x4 X0-X9 SENSE AMPLIFIER 1024 COLUMN DECODER x4 23 OE WE 3 CLOCK GENERATOR 5, 9-12 14-18 A0 A9 Y0-Y9 ROW ADDRESS BUFFER UPD424400LA-80L(2/2) COLUMN ADDRESS BUFFER ROW DECODER 1,2,24,25 I/O1-I/O4 DATA INPUT BUFFER ...

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