Low-Voltage Differential Type; Figure 1.14 Lvd Scsi Termination Circuit - Fujitsu MBA3073 SERIES Technical Manual

Note:
The SCSI device under the power-off state should satisfy the characteristics of I
[Recommended circuit example]
Driver: MB463 (Fujitsu) or SN7438 (TI) (Open-collector NAND gate)
Receiver: SN74LS240 or SN74LS19 (TI) (Shumitt trigger input inverter)
1.4.2

Low-Voltage Differential type

(1) Termination circuit
All signals except for GROUND and TERMPWR should be terminated at both ends of the bus.
Each signal should be terminated. Figure 1.14 shows the termination circuit.
32

Figure 1.14 LVD SCSI termination circuit

and I .
IL IH
(P_CRCA)
(P_CRCA)
C141-C015