Bose FreeSpace Business E4 II Series Service Manual page 34

Digital Signal Processor / User Interface PCB Assembly
Reference
Designator
U401 VOLT REG, SMD, POS, SOT89, +5V
U402 SHIFT REG W/LTCH, 8 BT, 74HC595
U403 SHIFT REG W/LTCH, 8 BT, 74HC595
U404 SHIFT REG, 8 BIT, 74HC166, SOIC
U405 SHIFT REG, 8 BIT, 74HC166, SOIC
U406 SHIFT REG, 8 BIT, 74HC166, SOIC
U501 OPAMP, DUAL, NJM4560, DMP-8
U503 CODEC, AUDIO, AK4528, VSOP-28
U504 OP AMP, DUAL, NJM4560, DMP-8
U505 OP AMP, DUAL, NJM4560, DMP-8
U507 CODEC, AUDIO, AK4528, VSOP-28
U509 OP AMP SWITCH, SOIC-8, NJM2120
U510 OP AMP SWITCH, SOIC-8, NJM2120
U511 OP AMP SWITCH, SOIC-8, NJM2120
U512 OP AMP SWITCH, SOIC-8, NJM2120
U513 RAM, 128K X 8, IDT71V124, SO32-3
U514 RAM, 128K X 8, IDT71V124, SO32-3
U515 RAM, 128K X 8, IDT71V124, SO32-3
U516 EPROM, UNPROG, OTP, 128x8, AT27CV010A
U517 DSP, TQFP-144, DSP56362
U518 RAM, STAT 32K X 8, CY7C199
U519 LATCH, D, OCT, 74ACT573, SOIC20
U520 MICRO, 80C251, PLCC-44
U521 2 INPUT NOR GATE X 4, 74HC02
U522 OR GATE, QUAD, 74HC32, SOIC14
U523 REAL TIME CLOCK, RTC8564, VSOJ20
U524 TRANSCVR, RS232, MAX202E, SO16
U525 DUAL FLIP FLOP, 74HC74, SOIC14
U526 COUNTER, 8 BIT, 74HC590, SOIC16
U527 OSCILLATOR, SMD, SG636, 22.5792 MHZ
U529 RCVR, AUD DIFF, INA134, SOIC8
U530 OP AMP, DUAL, NJM4565MA
U531 VOL CTL, ST, TC9412AF, SOIC24
U532 RCVR, AUD DIFF, INA134, SOIC8
U535 MULTIPLEXER, ANALOG, ADG409, SO16
U536 VOLT REG, LOW DROPOUT, TL751L12
U537 AMP, LOW PWR, INA129, SMD, SOIC8
U538 OP AMP, DUAL, SOIC-8, NJM4559
U539 VOLT REG, LOW DROPOUT, TL751L12
U540 AMP, LOW PWR, INA129, SMD, SOIC8
U541 ANALOG SWITCH, SOIC 16, ADG452
U542 ANALOG SWITCH, SOIC 16, ADG452
U543 ANALOG SWITCH, SOIC 16, ADG452
U544 MICROCONTROLLER, 8-BIT, PIC16F874, QFP
U545 SHFT REG W/LTCH, 8 BIT, 74HC595
U546 SHFT REG W/LTCH, 8 BIT, 74HC595
ELECTRICAL PART LIST
Integrated Circuits (continued)
Description
34
Part Number
258167-05
258171
258171
260657-1
260657-1
260657-1
260655-2
260654
260655-2
260655-2
260654
187474
187474
187474
187474
260653-3
260653-3
260653-3
260545-90JC
260650
260649
260629
260648
260645
260591-1
260565-1
260553-202S
260647
260646
260618-225792
260559-1
258127
196350
260559-1
260590-1
260661-12
260558-1
187473
260661-12
260558-1
258168
258168
258168
260662
258171
258171
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