DS2118M
Ultra3 LVD/SE SCSI Terminator
www.maxim-ic.com
FEATURES
PIN CONFIGURATION
Fully Compliant with SCSI SPI-2, SPI-3,
SPI-4, Ultra160, and Ultra320
VREF
NC
NC
R1P
R1N
R2P
R2N
HS GND
HS GND
HS GND
R3P
R3N
R4P
R4N
R5P
R5N
ISO
GND
Provides Multimode Low-Voltage
Differential/Single-Ended (LVD/SE)
Termination for Nine Signal Line Pairs
Autoselection of LVD or SE Termination
5% Tolerance on SE and LVD Termination
Resistance
Low Power-Down Capacitance of 3pF
On-Board Thermal Shutdown Circuitry
SCSI Bus Hot-Plug Compatible
Fully Supports Actively Negated SE SCSI
Signals
1
36
35
2
3 DS2118M 34
33
4
32
5
31
6
30
7
29
8
28
9
27
10
26
11
25
12
24
13
23
14
22
15
21
16
20
17
19
18
TPWR
HVD
LVD
SE
R9N
R9P
R8N
R8P
HS GND
HS GND
HS GND
R7N
R7P
R6N
R6P
DIFF_CAP
DIFFSENSE
MSTR/SLV
SSOP
ORDERING INFORMATION
VOLTAGE
TEMP RANGE PIN-PACKAGE
(V)
DS2118MB
5
36 SSOP (0.300")
0°C to +70°C
DS2118MB+
5
36 SSOP (0.300")
0°C to +70°C
36 SSOP (0.300")/Tape and
DS2118MB/T&R
5
0°C to +70°C
Reel
36 SSOP (0.300")/Tape
DS2118MB+T&R
5
0°C to +70°C
and Reel
PART
TOP MARK*
DS2118MB
DS2118MB
DS2118MB
DS2118MB
+ Denotes a lead-free/RoHS-compliant package.
* The top mark includes a "+" on lead-free packages.
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REV: 010406
