DS2114

070198 4/6

PIN DESCRIPTION Table 1

DS2114Z

PIN

SYMBOL

DESCRIPTION

1

TERMPWR1

Termination Power 1. Should be connected to the SCSI TERMPWR line. Must

be decoupled with either a 2.2

µF or 4.7 µF. See Figure 2.

2

R1

Signal Termination 1. 110 ohms termination.

3

R2

Signal Termination 2. 110 ohms termination.

4

R3

Signal Termination 3. 110 ohms termination.

5

R4

Signal Termination 4. 110 ohms termination.

6

R5

Signal Termination 5. 110 ohms termination.

7

VREF1

Reference Voltage 1. Must be externally connected directly to the VREF2 pin.

Must be decoupled with a 4.7

µF capacitor as shown in Figure 2.

8

GND

Ground. Signal ground; 0.0 volts.

9

TERMPWR2

Termination Power 2. Should be connected to the SCSI TERMPWR line. Must

be decoupled with either a 2.2

µF or 4.7 µF. See Figure 2.

11

R6

Signal Termination 6. 110 ohms termination.

12

R7

Signal Termination 7. 110 ohms termination.

13

R8

Signal Termination 8. 110 ohms termination.

14

R9

Signal Termination 9. 110 ohms termination.

10, 16

NC

No Connect. Do not connect any signal to these pins.

15

VREF2

Reference Voltage 2. Must be externally connected directly to the VREF1 pin.

Must be decoupled with a 4.7

µF capacitor as shown in Figure 2.