DS2109S Maxim Integrated Products, DS2109S Datasheet - Page 8

• Manufacturer Part Number: DS2109S
• Description: IC TERM SCSI PLUG/PLAY 28-SOIC
• Manufacturer: Maxim Integrated Products
• Type: SCSIr

Specifications of DS2109S

• Number Of Terminations: 18
• Voltage - Supply: 4 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

DISCONNECT MODES Table 2
NOTE: “1” denotes pin left open circuited.
WIDE SCSI CONFIGURATION Figure 8
DS2109
022698 8/10
TERMPWR1
PDI
V
GND
REF1
0
0
1
1
0
0
1
1
R1
R2
R3
R4
R5
DS21S07A 16–PIN SOIC (300 MIL)
4.7 F
1
2
3
4
5
6
7
8
16
15
14
13
12
10
11
9
PDE
0
1
0
1
0
1
0
1
PD
V
NC
R9
R8
R7
R6
TERMPWR2
2.2 F
REF2
I
BUS
HS–GND
HS–GND
> 32 mA?
Yes
Yes
Yes
Yes
No
No
No
No
TPWR
PDO
PDI
TERMINATION POWER LINE
R1
R2
R3
R4
R5
R6
R7
R8
R9
DS2109S 28–PIN SOIC (300 MIL)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DS2109 ISOLATED
FROM SCSI BUS?
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Connected
Connected
Connected
Isolated
Isolated
Isolated
Isolated
Isolated
GND
R18
R17
R16
R15
R14
TCS
HS–GND
PDE
R13
R12
R11
R10
V
REF
4.7 F