UCC5610DWP [TI]
18-LINE 3-5 VOLT LOW CAPACITANCE SCSI ACTIVE TERMINATOR;
| 型号： | UCC5610DWP |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | 18-LINE 3-5 VOLT LOW CAPACITANCE SCSI ACTIVE TERMINATOR 信息通信管理 光电二极管 接口集成电路 |
| 文件： | 总8页 (文件大小：265K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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SLUS362A – FEBRUARY 1997 – REVISED NOVEMBER 2000
D
Complies With SPI-2 and SPI-3 Standards
2.75-V to 7-V Operation
D
D
D
D
D
–650-mA Sourcing Current for Termination
D
D
+400-mA Sinking Current for Active
Negation Drivers
1.8-pF Channel Capacitance during
Disconnect
Trimmed Termination Current to 4%
Trimmed Impedance to 7%
D
D
D
0.5-µA Supply Current in Disconnect Mode
110-Ω/2.5-kΩ Programmable Termination
Completely Meets SCSI Hot Plugging
Current Limit and Thermal Shutdown
Protection
description
The UCC5610 provides 18 lines of active termination for a SCSI (small computer systems interface) parallel
bus. The SCSI standard recommends active termination at both ends of the cable.
The UCC5610 is ideal for high performance 3.3-V SCSI systems. The key features contributing to such low
operating voltage are the 0.1-V drop-out regulator and the 2.75-V reference. During disconnect the supply
current is typically only 0.5 µA, which makes the IC attractive for battery powered systems.
The UCC5610 is designed with an ultralow-channel capacitance of 1.8 pF, which eliminates effects on signal
integrity from disconnected terminators at interim points on the bus.
The UCC5610 can be programmed for either a 110-Ω or 2.5-kΩ termination. The 110-Ω termination is used for
standard SCSI bus lengths and the 2.5-kΩ termination is typically used in short bus applications. When driving
the TTL compatible DISCNCT pin directly, the 110-Ω termination is connected when the DISCNCT pin is driven
low, and disconnected when driven high. When the DISCNCT pin is driven through an impedance between
80 kΩ and 150 kΩ, the 2.5-kΩ termination is connected when the DISCNCT pin is driven low, and disconnected
when driven high.
block diagram
3
UDG-94128-1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 2000, Texas Instruments Incorporated
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
UC C 5 61 0
1 8 Ć L I N E 3 - 5 V O LT L O W C A PA C I TA N C E S C S I
AC T I VE T ER M I NATO R
ą
SLUS362A – FEBRUARY 1997 – REVISED NOVEMBER 2000
description (continued)
The power amplifier output stage allows the UCC5610 to source full termination current and sink active negation
current when all termination lines are actively negated.
The UCC5610 is pin for pin compatible with Unitrode’s other 18-line SCSI terminators, allowing lower
capacitance and lower voltage upgrades to existing systems. The UCC5610, as with all Unitrode terminators,
is completely hot-pluggable and appears as high impedance at the terminating channels with VTRMPWR = 0 V
or open.
Internal circuit trimming is utilized, first to trim the 110-Ω termination impedance to a 7% tolerance, and then most
importantly, to trim the output current to a 4% tolerance, which maximizes noise margin.
Other features include thermal shutdown and current limit.
This device is offered in low thermal resistance versions of the industry standard 28-pin wide body SOIC and
28-pin PLCC.
DWP PACKAGE
QP PACKAGE
TOP VIEW
TOP VIEW
1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
DISCNCT
LINE1
LINE2
LINE3
LINE4
LINE5
GND*
GND
2
LINE18
LINE17
LINE16
LINE15
LINE14
GND*
3
4
4
3
2 1 28 27 26
LINE12
LINE13
LINE14
LINE15
LINE16
LINE17
LINE18
5
6
7
8
9
LINE6
LINE5
25
24
5
6
23 LINE4
22 LINE3
21 LINE2
20 LINE1
19 DISCNCT
7
8
GND*
GND*
GND*
GND*
9
10
11
12
13
14
LINE6
LINE7
LINE8
LINE9
TRMPWR
LINE13
LINE12
LINE11
LINE10
REG
10
11
12 13 14 15 16 17 18
* DWP package pin 28 serves as signal ground;
pins 7, 8, 9, 20, 21, 22 serve as heatsink/ground.
* QP package pins 12-18 serve as both heatsink
and signal ground.
AVAILABLE OPTIONS
PACKAGED DEVICES
T
J
SOIC (DWP)
PLCC (QP)
0°C to 70°C
UCC5610DWP
UCC5610QP
†
Available tape and reeled. Add TR suffix to device type to order quantities of 1000 devices per reel.
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
U CC 56 10
1 8 Ć L I N E 3 - 5 V O LT L O W C A PA C I TA N C E S C
ACT I VE T ER MI N ATO R
ą
SLUS362A – FEBRUARY 1997 – REVISED NOVEMBER 2000
†
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Termpwr voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Signal line voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V to 7 V
Regulator output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Self-regulating
Storage temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°Cto 150°C
Operating temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55°C to 150°C
Lead temperature (soldering, 10 Sec.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C
†
‡
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
Unless otherwise specified all voltages are with respect to Ground. Currents are positive into, negative out of the specified terminal. Consult
Packaging Section of Interface Products Data Book (TI Literature Number SLUD002) for thermal limitations and considerations of packages.
recommended operating conditions
Termpwr voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.75 V to 5.25 V
Signal line voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V to 5 V
Disconnect input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V to Termpwr
electrical characteristics, these specifications apply for T = 0°C to 70°C, TRMPWR = 3.3 V,
A
DISCNCT = 0 V, R
= 0 Ω T = T , (unless otherwise noted)
DISCNCT
A J
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNITS
Supply Current Section
All termination lines = open
All termination lines = 0.2 V
DISCNCT = termpwr
1
2
455
5
mA
mA
µA
Termpwr supply current
Power down mode
415
0.5
Output Section (110 Ω – Terminator Lines)
Terminator impedance
Output high voltage
See Note 4
See Note 1
102.3
2.5
110 117.7
2.7 3.0
–23 –22.1
–23 –21
–23 –20.2
Ω
V
V
V
V
= 0.2 V,
= 0.2 V
= 0.2 V,
T
= 25°C
–25.4
–25.4
–25.4
mA
mA
mA
LINE
LINE
LINE
J
TRMPWR = 3 V,
TRMPWR = 3 V,
T = 25°C
J
Max output current
See Note 1
V
V
= 0.2 V,
= 0.5 V
See Note 1
–25.4
–23
–19
–22.4
400
mA
mA
nA
LINE
LINE
Output leakage
DISCNCT = 2.4 V, TRMPWR = 0 V to 5.25 V
10
Output capacitance
DISCNCT = 2.4 V, See Note 2,
DWP package
See Note 3,
1.8
2.5
pF
Output Section (2.5 kΩ – Terminator Lines) (R
= 80 kΩ)
DISCNCT
Terminator impedance
2
2.5
2.5
2.7
–1
3
3.0
kΩ
V
Output high voltage
TRMPWR = 3 V,
See Note 1
V
V
= 0.2 V
= 0.2 V,
–1.4
–1.5
–0.7
–0.6
400
2.5
mA
mA
nA
pF
LINE
Max output current
TRMPWR = 3 V,
See Note 1
–1
LINE
Output leakage
DISCNCT = 2.4 V, TRMPWR = 0 to 5.25 V
10
Output capacitance
DISCNCT = 2.4 V See Note 2,
DWP package
See Note 3,
1.8
NOTES: 1. Measuring each termination line while other 17 are low (0.2 V).
2. Ensured by design. Not production tested.
3. Output capacitance is measured at 0.5 V.
4. Tested by measuring I
OUT
with V
OUT
= 0.2 V and V
OUT
= V – 0.1 V then calculating the impedance.
REG
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
UC C 5 61 0
1 8 Ć L I N E 3 - 5 V O LT L O W C A PA C I TA N C E S C S I
AC T I VE T ER M I NATO R
ą
SLUS362A – FEBRUARY 1997 – REVISED NOVEMBER 2000
electrical characteristics, these specifications apply for T = 0°C to 70°C, TRMPWR = 3.3 V,
A
DISCNCT = 0 V, R
= 0 Ω T = T , (unless otherwise noted)
DISCNCT
A J
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNITS
Regulator Section
Regulator output voltage
Drop out voltage
5.25 V > TRMPWR > 3 V
All termination lines = 0.2 V
2.5
2.7
0.1
3.0
0.2
V
V
Short circuit current
Sinking current capability
Thermal shutdown
V
V
= 0 V
= 3 V
–800 –650 –450
mA
mA
°C
°C
REG
200
400
170
10
800
REG
See Note 2
See Note 2
Thermal shutdown hysteresis
Disconnect Section
Disconnect threshold
Input current
R
= 0 & 80 kΩ
0.8
1.5
30
2.0
50
V
DISCNCT
DISCNCT = 0 V
µA
NOTES: 2. Ensured by design. Not production tested.
APPLICATION INFORMATION
UDG-94130
Figure 1. Typical SCSI Bus Configurations Utilizing a UCC5610 Device
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PACKAGE OPTION ADDENDUM
www.ti.com
24-Feb-2006
PACKAGING INFORMATION
Orderable Device
UCC5610DWP
Status (1)
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
NRND
SOIC
DW
28
28
28
28
Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
UCC5610DWPG4
UCC5610DWPTR
UCC5610DWPTRG4
NRND
SOIC
SOIC
SOIC
DW
DW
DW
Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
NRND
Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
ACTIVE
Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
UCC5610QP
NRND
NRND
PLCC
PLCC
FN
FN
28
28
TBD
TBD
Call TI
Call TI
Level-2-220C-1 YEAR
Level-2-220C-1 YEAR
UCC5610QPTR
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS
compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.
Addendum-Page 1
MECHANICAL DATA
MPLC004A – OCTOBER 1994
FN (S-PQCC-J**)
PLASTIC J-LEADED CHIP CARRIER
20 PIN SHOWN
Seating Plane
0.004 (0,10)
0.180 (4,57) MAX
0.120 (3,05)
D
0.090 (2,29)
D1
0.020 (0,51) MIN
3
1
19
0.032 (0,81)
0.026 (0,66)
4
18
D2/E2
D2/E2
E
E1
8
14
0.021 (0,53)
0.013 (0,33)
0.050 (1,27)
9
13
0.007 (0,18)
M
0.008 (0,20) NOM
D/E
D1/E1
D2/E2
NO. OF
PINS
**
MIN
0.385 (9,78)
MAX
MIN
MAX
MIN
MAX
0.395 (10,03)
0.350 (8,89)
0.356 (9,04)
0.141 (3,58)
0.191 (4,85)
0.291 (7,39)
0.341 (8,66)
0.169 (4,29)
0.219 (5,56)
0.319 (8,10)
0.369 (9,37)
20
28
44
52
68
84
0.485 (12,32) 0.495 (12,57) 0.450 (11,43) 0.456 (11,58)
0.685 (17,40) 0.695 (17,65) 0.650 (16,51) 0.656 (16,66)
0.785 (19,94) 0.795 (20,19) 0.750 (19,05) 0.756 (19,20)
0.985 (25,02) 0.995 (25,27) 0.950 (24,13) 0.958 (24,33) 0.441 (11,20) 0.469 (11,91)
1.185 (30,10) 1.195 (30,35) 1.150 (29,21) 1.158 (29,41) 0.541 (13,74) 0.569 (14,45)
4040005/B 03/95
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. Falls within JEDEC MS-018
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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