C
HAPTER
4. I
LLUSTRATED
P
ARTS
B
REAKDOWN
4-79
02.9631.0010
CONFIDENTIAL
15 Jan 98
PCB Assembly, LCB Modified For Upgrade (continued)
24.9637.0049 (
VL2C
)
PART NO.
QTY
REF DES
DESCRIPTION
84.4139.0001
1 EA
U42
IC, 74HC191 UP/DOWN COUNTER
84.4140.0001
1 EA
U8
IC, 74HC244 OCTAL TRISTATE BUFFER
84.4147.0001
1 EA
U12
IC, 74S14 HEX INVERTING SCHMIDT TRIGGER
84.4149.0001
1 EA
U2
IC, 74LS240 TRISTATE OCTAL INV BUFFER
84.7409.0151
1 EA
U18
IC, 74F151 8 CHANNEL MUX
87.7111.0001
1 EA
U1
IC, R68561AP MULTI-PROTOCOL COMM CTRLR
87.7174.0001
1 EA
U44
EPROM, (PGMD:27C256-2) VL2C LL HI
87.7174.0002
1 EA
U43
EPROM, (PGMD:27C256-2) VL2C LL LO
88.8106.0001
1 EA
LED1
LED, RED A