UCC5629 Datasheet, PDF (5/5 Pages) Texas Instruments – Multimode SCSI 14 Line Terminator

UCC5629
TYPICAL APPLICATION
L1+
L1–
TERMPWR
3 TRMPWR
L9+
L9–
CONTROL LINES (9)
L1+
L1–
TRMPWR 3
TRMPWR
L9+
L9–
4.7µF
L10+
L10–
36 _DISCNCT
L13+
L13–
DIFFSENSE 35
REG
10
DIFF B
34
4.7µF
.
0.1µF
.
4 BITS OF THE HIGH BYTE
20k
20k
220k
L10+
L10–
L13+
L13–
35 DIFFSENSE
DISCNCT ³⁶
DIFF B
34
REG
10
0.1µF
.
4.7µF
L1+
L1–
DATA LINES (15)
L9+
L9–
3 TRMPWR
L10+
L10–
36 _DISCNCT
L14+
L14–
REG
10
DIFF B
34
4.7µF
.
LOW BYTE 8+ PARITY
HIGH BYTE 4 BITS
PLUS PARITY
L1+
L1–
DATA LINES (15)
L9+
L9–
L10+
L10–
TRMPWR 3
L14+
L14–
DISCNCT ³⁶
DIFF B
34
REG
10
4.7µF
4.7µF
.
SCSI CONTROLLER
DIFFSENS
UDG-99157
Note: A 220k resistor is added to ground to insure the transceivers will come up in single-ended mode when no terminator is en-
abled. The controller DIFFSENS ties to the DIFFB pin on the terminators, only one RC network should be on a device.
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