DS2105Z Maxim Integrated, DS2105Z Datasheet - Page 4

• Manufacturer Part Number: DS2105Z
• Description: SCSI Interface IC
• Manufacturer: Maxim Integrated
• Series: DS2105r

Specifications of DS2105Z

• Part # Aliases: 90-2105Z-000

PIN DESCRIPTION Table 1
DS2105
022698 4/7
DS2105S
PIN
10
11
12
13
15
16
14
1
2
3
4
5
6
7
8
9
DS2105Z
PIN
12
13
14
15
16
10
11
1
2
3
4
5
6
7
8
9
TERMPWR1 Termination Power 1. Should be connected to the SCSI
TERMPWR2 Termination Power 2. Should be connected to the SCSI
SYMBOL
VREF1
VREF2
GND
PD
NC
R1
R2
R3
R4
R5
R6
R7
R8
R9
TERMPWR line. Must be decoupled with either a 2.2 F or 4.7 F.
See Figure 2.
Signal Termination 1. 110 ohm termination.
Signal Termination 2. 110 ohm termination.
Signal Termination 3. 110 ohm termination.
Signal Termination 4. 110 ohm termination.
Signal Termination 5. 110 ohm termination.
Reference Voltage 1. Must be externally connected directly to
the VREF2 pin. Must be decoupled with a 4.7 F capacitor as
shown in Figure 2.
Ground. Signal ground; 0.0V.
TERMPWR line. Must be decoupled with either a 2.2 F or 4.7 F.
See Figure 2.
Signal Termination 6. 110 ohm termination.
Signal Termination 7. 110 ohm termination.
Signal Termination 8. 110 ohm termination.
Signal Termination 9. 110 ohm termination.
Reference Voltage 2. Must be externally connected directly to
the VREF1 pin. Must be decoupled with a 4.7 F capacitor as
shown in Figure 2.
Power Down. When tied low, the DS2105 enters a power–down
mode. Contains an internal 50K pull–up. Strap low to deactivate
the DS2105, leave open circuited to activate the DS2105.
No Connect. Do not connect any signal to this pin.
DESCRIPTION