Measurement Computing Serial488A - Manual (Page 83)

6.13
Schematic Part Number Description
U201-U216 IC-46 256K DRAM 150NS
U217 IC-50 74LS373 Octal Tri-State D
U218 ,U219 IC-14 74HCT244 Octal Buffer
U220-U223 IC-48 74HCT240 Inverting Buffer
U224 IC-1 MC68B09 Microprocessor
U225 IC-34 74HCTOO Quad NAND
U226 IC-21 74LS139 Dual Decoder
U227 IC-8 74LS138 Decoder
U228 IC-3 TMS9914ANL
U229 IC-33 74LS04 Hex Inverter
U230 IC-49 74LS08 Quad AND Gate
U231 IC-5 75162 IEEE Driver
U232 IC-4 75160 IEEE Driver
Y101 CR-5 8.000 MHz Crystal
TR-4 Power Supply ; 115V AC
TR-4E Power Supply ; 220V AC