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Graphics Interchange Format  |  2008-03-11  |  94.8 KB  |  2304x3300
   ocr: RANDOM ACCESS MEMORY (Continued) 4164 64Kx 1 DYNAMIC RAM 1 NC Unused. NC 1 16 EVSS 2 DIN Data Input. DIN- 2 15 ECAS 3 WE Write Enable. Low active control input. WE- 3 14 - DOUT 4 RAS Row Address Strobe Input. Low active. RAS 4 13-A6 12-A3 8 5-7, 9-13 VCC A0-A7 5VDC Address input. Bus Inputs. A0- 5 A2- - 6 11LA4 14 DOUT Data Output. A1 - 7 10-A5 15 CAS Column Address Strobe Input. Low active. VCC- 8 9 FA7 16 VSS Ground. WEC D R/W CLOCK R/W SWITCH GENERATOR RAS CLOCK MEMORY a 0 LE MEMORY DATA BUFFER IN -ODIN RASO GENERATOR ARRAY ARRAY CAS o CAS CLOCK S ROW DEC.KF D WROW DEC. l3 DATA BUFFER OUT F ...