JVC XL-SV205GD, Руководство по обслуживанию

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1-10
XL-SV205GD
U2: C16256 (4MB DRAM)
Block diagram
Pin configuration
Pin description
Pin No. Pin Name Type Description
16~19,22~26 A0-A8 Input Address input
14 RAS Input Row address
strobe
28 CASH Input Column address
strobe/Upper
byte control
29 CASL Input Column address
strobe/lower
byte control
13 WE Input Write enable
27 OE Input Output enable
2~5,6~10, I/O1 - I/O16 Input/Output Data input/
31~34,36~39 output
1,6,20 V c c Supply Power, 5V
21, 35, 40 V s s Ground Ground
11,12,15,30 NC - No connect