DS2106S

DS2106
022698 4/6
PIN DESCRIPTION Table 1
PIN SYMBOL DESCRIPTION
1 PD Power Down. When tied low, the DS2106 enters power–down mode. Contains
an internal 50K pull–up. Strap low to deactivate the DS2106, leave open cir-
cuited to activate the DS2106.
2 –6, 10 –
13, 16 – 19,
23 – 27
R1...R13
R14...R18
Signal Termination 1. 110 Ohm termination. Connect to SCSI bus signal lines.
7, 8, 21 HS–GND Heat Sink Ground. Internally connected to the mounting pad. Should be either
grounded or electrically isolated from other circuitry.
14 TPWR Termination Power. Connect to the SCSI TERMPWR line. Bypass with a
2.2 µF cap.
15 VREF Reference Voltage. 2.85 volt reference; must be decoupled with a 4.7 µF
capacitor.
28 GND Ground. Signal ground; 0.0 volts.
9, 20, 22 NC No Connect. Do not connect to these pins.
DS2106
022698 5/6
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground –1.0V to +7.0V
Operating Temperature 0°C to 70°C
Storage Temperature –55°C to +125°C
Soldering Temperature 260°C for 10 seconds
* This is a stress rating only and functional operation of the device at these or any other conditions above those
indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods of time may affect reliability.
RECOMMENDED OPERATING CONDITIONS (0°C to 70°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
TERMPWR Voltage V
TP
4.00 5.25 V
PD Active V
PDA
–0.3 0.8 V
PD Inactive V
PDI
2.0 V
TP
+0.3 V
DC CHARACTERISTICS (0°C to 70°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
TERMPWR Current I
TP
I
TP
10
500
14
mA 1, 3
1, 4
Power Down Current I
PD
500 µA 1, 2, 5
Termination Resistance R
TERM
110 118 ohm 1, 2
Die Thermal Shutdown TS
D
150 °C 1
Power Down Termination
Capacitance
C
PD
3.0 5.0 pF 1, 2, 5, 6
Input Leakage High I
IH
–1.0 µA 1
Input Leakage Low I
IL
1.0 µA 1, 8
REGULATOR CHARACTERISTICS (0°C to 70°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Output Voltage V
REF
2.7 2.85 3.0 V 1, 2
Drop Out Voltage V
DROP
0.75 1.0 V 3, 6
Output Current I
OUT
21.6 22.8 24.0 mA 9
Line Regulation LI
REG
1.0 2.0 % 1, 4
Load Regulation LO
REG
1.3 3.0 % 1, 2
Current Limit I
L
700 mA 1
Sink Current I
SINK
400 mA 1
The chamfer on the body is optional. If it is not present, a termi-
nal 1 identifier must be positioned so that 1/2 or more of its area
is contained in the hatched zone.
DS2106
022698 6/6
NOTES:
1. 4.00V < TERMPWR < 5.50V.
2. 0.0V < signal lines < TERMPWR.
3. All signal lines = 0.0V.
4. All signal lines open.
5. Power down enabled; PD
= 0.0V.
6. Guaranteed by design; not production tested.
7. R
1
through R18 only.
8. R
1
through R18 and PD.
9. V
SIGNAL
= 0.2V.
28–PIN SOIC (300 MIL)
PKG 28–PIN
DIM MIN MAX
A IN.
MM
0.094
2.39
0.105
2.67
A1 IN.
MM
0.004
0.102
0.012
0.30
A2 IN.
MM
0.089
2.26
0.095
2.41
b IN.
MM
0.013
0.33
0.020
0.51
C IN
MM
0.009
0.229
0.013
0.33
D IN.
MM
0.698
17.73
0.712
18.08
e IN.
MM
0.050 BSC
1.27 BSC
E1 IN.
MM
0.290
7.37
0.300
7.62
H IN
MM
0.398
10.11
0.416
10.57
L IN
MM
0.016
0.40
0.040
1.02
Θ 0° 8°

DS2106S

Mfr. #:
Manufacturer:
Maxim Integrated
Description:
IC TERMINATOR SCSI 28-SOIC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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