UltraSCSI Terminator Family
Design for UltraSCSI Performance!
Data Communications
ISO 9001 Registered
FAST–20 SCSI Operation
New Adaptive, Non-Linear Architecture
35MHz Bandwidth
– High signal integrity
– Lower error rate
Eliminate Costly Capacitors
Dallas, Linfinity and Unitrode Pin-compatible
Non-Linear Terminator Family
Upgrade DS21S07A designs (IMP5115)
Sleep-mode current under 275µA (IMP5111)
3.3/3.5V operation
Less than 3pF output capacitance
Hot-swap compatible
16-SOIC/16-SOWB/20-TSSOP packages
THERMAL
LIMITING
TERM POWER
CURREN T
BIASING
1.4V
24mA CURRENT
LIMITING
DATA OUTPUT
PIN DB(0)
2.85V
1 OF 18 CHANNELS
DISCONN
IMP5225
ECT 1
DISCONNECT 2
DISCONNECT
IMP5226
THERMAL
LIMITING
TERM POWER
CURRENT
BIASING
24mA CURRENT
LIMITING
DATA OUT
PIN DB(0)
2.85V
1 OF 9 CHANNELS
DISC 1
(5218)
DISC 2
DISC
(5111, 5115, 5219)
DISC
(5112)
1.4V
+
+
9-Channel
18-Channel
27-Channel
THERMAL
LIMITING
TERM POWER
V
CC
DISC1
CURRENT
BIASING
1.4V
24mA CURRENT
LIMITING
DATA OUTPUT
PIN DB(0)
2.85V
1 OF 27 CHANNELS
DISC2
IMP5121
Data Communications
Sleep-mode current under 200µA (IMP5226)
Sleep-mode current under 275µA (IMP5225)
3.5V operation
Less than 4pF output capacitance
Hot-swap compatible
28-SSOP/28-SOWB packages
Split dual disconnect and logic for
16/18-bit bus mixing
Plug-and-Play
Less than 3pF output capacitance
Superior pin-for-pin replacement for UCC5621
Hot-swap compatible
44-SSOP/56-TSSOP packages