DS21T05Z Ver la hoja de datos (PDF) - Dallas Semiconductor -> Maxim Integrated

Número de pieza

componentes Descripción

Fabricante

DS21T05Z

SCSI Terminator

Dallas Semiconductor -> Maxim Integrated 

DS21T05

PIN DESCRIPTION Table 1

DS21T05Z SYMBOL

DESCRIPTION

PIN

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-ohm termination.

3

R2

Signal Termination 2. 110-ohm termination.

4

R3

Signal Termination 3. 110-ohm termination.

5

R4

Signal Termination 4. 110-ohm termination.

6

R5

Signal Termination 5. 110-ohm 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; 0.0V.

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.

10

NC

No Connect. Do not connect any signal to this pin.

11

R6

Signal Termination 6. 110-ohm termination.

12

R7

Signal Termination 7. 110-ohm termination.

13

R8

Signal Termination 8. 110-ohm termination.

14

R9

Signal Termination 9. 110-ohm termination.

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.

16

PD

Power Down. When tied low, the DS21T05 enters a power-down

mode. Contains an internal 50K pull-up. Strap low to deactivate the

DS21T05, leave open circuited to activate the DS21T05.

4 of 7

Share Link: