C
HAPTER
4. I
LLUSTRATED
P
ARTS
B
REAKDOWN
4-51
02.9628.0010 CONFIDENTIAL
7-Oct-97
PCB Assy,
VL4
Interface (IFB) (continued)
24.9628.0082
PART NO. QTY REF DES DESCRIPTION
84.4140.0001 1 EA U34 IC, 74HC244 OCTAL TRISTATE BUFFER
84.4141.0001 5 EA U1, 30.33 IC, 74HC273 OCTAL D FLIP FLOP
84.4143.0001 1 EA U20 IC, 74HC4040 12.STAGE BINARY COUNTER
84.4199.0001 2 EA U22, 35 IC, 74HC245 OCTAL BUS XCVR W/3.ST.OUTPUT
84.4227.0767 2 EA U3, 4 IC, AD767 ANALOG TO DIG CONVERTER
84.7407.0010 1 EA U18 IC, 74HC10 TRIPLE3.IN NAND GATE
84.7407.4017 1 EA U19 IC, 74HC4017 DECADE COUNTER/DIVIDER
84.7407.4078 1 EA U14 IC, 74HC4078 8.IN NOR (CMOS)
85.5104.0001 2 EA U9, 10 IC, HCTL.2000 QUADRATURE DECDR/ COUNTER
85.5107.0001 6 EA U24.29 IC, 75436 QUAD PERIPHERAL DRIVER
87.7129.0010 1 EA U23 IC, LOGIC, PGM:VL4IFB U23
312
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