TI SN74LVT16952DLR

SN54LVT16952, SN74LVT16952
3.3-V ABT 16-BIT REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS151D – MAY 1992 – REVISED AUGUST 1996
D
D
D
D
D
D
D
D
D
D
D
D
State-of-the-Art Advanced BiCMOS
Technology (ABT) Design for 3.3-V
Operation and Low-Static Power
Dissipation
Members of the Texas Instruments
Widebus Family
Support Mixed-Mode Signal Operation (5-V
Input and Output Voltages With 3.3-V VCC)
Support Unregulated Battery Operation
Down to 2.7 V
Typical VOLP (Output Ground Bounce)
< 0.8 V at VCC = 3.3 V, TA = 25°C
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model
(C = 200 pF, R = 0)
Latch-Up Performance Exceeds 500 mA
Per JEDEC Standard JESD-17
Bus-Hold Data Inputs Eliminate the Need
for External Pullup Resistors
Support Live Insertion
Distributed VCC and GND Pin Configuration
Minimizes High-Speed Switching Noise
Flow-Through Architecture Optimizes
PCB Layout
Package Options Include Plastic 300-mil
Shrink Small-Outline (DL) and Thin Shrink
Small-Outline (DGG) Packages and 380-mil
Fine-Pitch Ceramic Flat (WD) Package
Using 25-mil Center-to-Center Spacings
SN54LVT16952 . . . WD PACKAGE
SN74LVT16952 . . . DGG OR DL PACKAGE
(TOP VIEW)
1OEAB
1CLKAB
1CLKENAB
GND
1A1
1A2
VCC
1A3
1A4
1A5
GND
1A6
1A7
1A8
2A1
2A2
2A3
GND
2A4
2A5
2A6
VCC
2A7
2A8
GND
2CLKENAB
2CLKAB
2OEAB
1
56
2
55
3
54
4
53
5
52
6
51
7
50
8
49
9
48
10
47
11
46
12
45
13
44
14
43
15
42
16
41
17
40
18
39
19
38
20
37
21
36
22
35
23
34
24
33
25
32
26
31
27
30
28
29
1OEBA
1CLKBA
1CLKENBA
GND
1B1
1B2
VCC
1B3
1B4
1B5
GND
1B6
1B7
1B8
2B1
2B2
2B3
GND
2B4
2B5
2B6
VCC
2B7
2B8
GND
2CLKENBA
2CLKBA
2OEBA
description
The ’LVT16952 are 16-bit registered transceivers designed for low-voltage (3.3-V) VCC operation, but with the
capability to provide a TTL interface to a 5-V system environment. These devices can be used as two 8-bit
transceivers or one 16-bit transceiver. Data on the A or B bus is stored in the registers on the low-to-high
transition of the clock (CLKAB or CLKBA) input provided that the clock-enable (CLKENAB or CLKENBA) input
is low. Taking the output-enable (OEAB or OEBA) input low accesses the data on either port.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
The SN74LVT16952 is available in TI’s shrink small-outline (DL) and thin shrink small-outline (DGG) packages,
which provide twice the I/O pin count and functionality of standard small-outline packages in the same
printed-circuit-board area.
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.
Widebus is a trademark of Texas Instruments Incorporated.
Copyright  1996, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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1
SN54LVT16952, SN74LVT16952
3.3-V ABT 16-BIT REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS151D – MAY 1992 – REVISED AUGUST 1996
description (continued)
The SN54LVT16952 is characterized for operation over the full military temperature range of –55°C to 125°C.
The SN74LVT16952 is characterized for operation from –40°C to 85°C.
logic symbol†
1OEBA
56
54
1CLKENBA
1CLKBA
55
1
3
1CLKAB
2C6
2OEBA
31
2CLKBA
2OEAB
30
28
26
2CLKENAB
2CLKAB
1A1
1C5
G2
2
29
2CLKENBA
G1
EN4
1OEAB
1CLKENAB
EN3
27
5
EN9
G7
7C11
EN10
G8
8C12
3
6D
1A2
1A3
1A4
1A5
1A6
1A7
1A8
2A1
2A3
2A4
2A5
2A6
2A7
2A8
51
8
49
9
48
10
47
12
45
13
44
14
43
15
9
11D
42
1B2
1B3
1B4
1B5
1B6
1B7
1B8
2B1
10
16
41
17
40
19
38
20
37
21
36
23
34
24
33
POST OFFICE BOX 655303
1B1
4
† This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
2
52
6
12D
2A2
5D
• DALLAS, TEXAS 75265
2B2
2B3
2B4
2B5
2B6
2B7
2B8
SN54LVT16952, SN74LVT16952
3.3-V ABT 16-BIT REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS151D – MAY 1992 – REVISED AUGUST 1996
FUNCTION TABLE†
INPUTS
OUTPUT
B
CLKENAB
CLKAB
OEAB
A
H
X
L
X
X
L
L
X
L
↑
L
L
L
L
↑
L
H
H
B0‡
B0‡
X
X
H
X
Z
† A-to-B data flow is shown; B-to-A data flow is similar
but uses CLKENBA, CLKBA, and OEBA.
‡ Level of B before the indicated steady-state input
conditions were established
logic diagram (positive logic)
1CLKENAB
1CLKAB
1OEBA
3
54
1CLKENBA
55 1CLKBA
2
56
1
One of Eight
Channels
1A1
C1
CE
1D
5
52
1OEAB
1B1
C1
CE
1D
To Seven Other Channels
2CLKENAB
2CLKAB
2OEBA
26
31
27
30
29
28
One of Eight
Channels
2A1
C1
CE
1D
15
42
2CLKENBA
2CLKBA
2OEAB
2B1
C1
CE
1D
To Seven Other Channels
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3
SN54LVT16952, SN74LVT16952
3.3-V ABT 16-BIT REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS151D – MAY 1992 – REVISED AUGUST 1996
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 4.6 V
Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V
Voltage range applied to any output in the high state or power-off state, VO (see Note 1) . . . . –0.5 V to 7 V
Current into any output in the low state, IO: SN54LVT16952 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA
SN74LVT16952 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 mA
Current into any output in the high state, IO (see Note 2): SN54LVT16952 . . . . . . . . . . . . . . . . . . . . . . . 48 mA
SN74LVT16952 . . . . . . . . . . . . . . . . . . . . . . . 64 mA
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –50 mA
Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –50 mA
Maximum power dissipation at TA = 55°C (in still air) (see Note 3): DGG package . . . . . . . . . . . . . . . . . . . 1 W
DL package . . . . . . . . . . . . . . . . . . . 1.4 W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°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.
NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. This current flows only when the output is in the high state and VO > VCC.
3. The maximum package power dissipation is calculated using a junction temperature of 150°C and a board trace length of 750 mils.
For more information, refer to the Package Thermal Considerations application note in the ABT Advanced BiCMOS Technology Data
Book.
recommended operating conditions (see Note 4)
SN54LVT16952
SN74LVT16952
MIN
MAX
MIN
MAX
2.7
3.6
2.7
3.6
UNIT
VCC
VIH
Supply voltage
VIL
VI
Low-level input voltage
0.8
0.8
V
Input voltage
5.5
5.5
V
IOH
IOL
High-level output current
–24
–32
mA
Low-level output current
48
64
mA
∆t/∆v
Input transition rise or fall rate
10
ns/V
85
°C
High-level input voltage
2
Outputs enabled
TA
Operating free-air temperature
NOTE 4: Unused control inputs must be held high or low to prevent them from floating.
4
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2
10
–55
125
–40
V
V
SN54LVT16952, SN74LVT16952
3.3-V ABT 16-BIT REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS151D – MAY 1992 – REVISED AUGUST 1996
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VIK
VOH
SN54LVT16952
TYP†
MAX
TEST CONDITIONS
VCC = 2.7 V,
VCC = MIN to MAX‡,
II = –18 mA
IOH = –100 µA
VCC = 2.7 V,
IOH = –8 mA
IOH = –24 mA
VCC = 3 V
VCC = 2
2.7
7V
VOL
VCC = 3 V
VCC = 3.6 V,
VCC = 0 or MAX‡,
II
VCC = 3.6 V
Ioff
VCC = 0,
II(hold)
I(h ld)
VCC = 3 V
IOZH
IOZL
VCC = 3.6 V,
VCC = 3.6 V,
MIN
–1.2
VCC–0.2
2.4
VCC = 3.6 V,
VI = VCC or GND
0.2
IOL = 24 mA
IOL = 16 mA
0.5
0.5
0.4
0.4
IOL = 32 mA
IOL = 48 mA
0.5
0.5
VI = 5.5 V
VI = 5.5 V
VI = VCC
VI = 0
VI or VO = 0 to 4.5 V
VI = 0.8 V
VI = 2 V
VO = 3 V
0.55
Control
inputs
A or B ports§
A or B ports
VI = 3 V or 0
VO = 3 V or 0
±1
10
100
20
1
1
–5
–5
75
75
–75
–75
µA
µA
µA
1
Outputs
disabled
Ci
±1
10
±100
Outputs low
VCC = 3 V to 3.6 V, One input at VCC – 0.6 V,
Other inputs at VCC or GND
V
0.55
VO = 0.5 V
IO = 0,
V
2
0.2
IOL = 64 mA
VI = VCC or GND
UNIT
V
2
IOH = –32 mA
IOL = 100 µA
∆ICC¶
Cio
–1.2
VCC–0.2
2.4
Outputs high
ICC
SN74LVT16952
TYP†
MAX
MIN
1
µA
µA
–1
–1
0.12
0.12
5
5
0.12
0.12
0.2
0.2
mA
mA
4
4
pF
13
13
pF
† All typical values are at VCC = 3.3 V, TA = 25°C.
‡ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
§ Unused pins at VCC or GND
¶ This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
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SN54LVT16952, SN74LVT16952
3.3-V ABT 16-BIT REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS151D – MAY 1992 – REVISED AUGUST 1996
timing requirements over recommended operating free-air temperature range (unless otherwise
noted) (see Figure 1)
SN54LVT16952
VCC = 3.3 V
± 0.3 V
fclock
MIN
MAX
0
150
Clock frequency
tw
Pulse duration
tsu
Setup time
th
Hold time
SN74LVT16952
VCC = 2.7 V
MIN
MAX
0
150
VCC = 3.3 V
± 0.3 V
MIN
MAX
0
150
VCC = 2.7 V
MIN
MAX
0
150
CLKEN high
3.3
3.3
3.3
3.3
CLK high or low
3.3
3.3
3.3
3.3
A or B before CLK
2.6
3.3
2.1
2.9
CLKEN before CLK
1.2
1.6
1.2
1.6
A or B after CLK
0.7
0.7
0.7
0.7
CLKEN after CLK
1.4
1.5
1.4
1.5
UNIT
MHz
ns
ns
ns
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
SN54LVT16952
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 3.3 V
± 0.3 V
MIN
fmax
tPLH
tPHL
tPZH
tPZL
tPHZ
A or B
OEBA or
OEAB
A or B
OEBA or
A or B
OEAB
tPLZ
† All typical values are at VCC = 3.3 V, TA = 25°C.
6
VCC = 2.7 V
MAX
150
CLKBA or
CLKAB
SN74LVT16952
MIN
MAX
150
VCC = 3.3 V
± 0.3 V
MIN TYP†
MAX
150
VCC = 2.7 V
MIN
MAX
150
MHz
1.6
5.7
7.4
2
3.4
5.8
7.1
2
6
7
2
3.4
5.8
6.9
1
5
7.3
1
2.7
5.6
6.7
1.2
5.2
5.9
1.2
2.7
6.5
8
1.8
6.7
7.3
2.3
3.9
6.3
6.9
1.2
5.8
6
2.2
3.9
5.1
5.3
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UNIT
ns
ns
ns
SN54LVT16952, SN74LVT16952
3.3-V ABT 16-BIT REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS151D – MAY 1992 – REVISED AUGUST 1996
PARAMETER MEASUREMENT INFORMATION
6V
S1
500 Ω
From Output
Under Test
Open
GND
CL = 50 pF
(see Note A)
TEST
S1
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open
6V
GND
500 Ω
2.7 V
LOAD CIRCUIT
1.5 V
Timing Input
0V
tw
tsu
2.7 V
Input
1.5 V
1.5 V
th
2.7 V
1.5 V
Data Input
1.5 V
0V
0V
VOLTAGE WAVEFORMS
PULSE DURATION
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
2.7 V
1.5 V
Input
1.5 V
0V
VOH
1.5 V
Output
1.5 V
VOL
tPLH
tPHL
VOH
Output
1.5 V
1.5 V
VOL
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
INVERTING AND NONINVERTING OUTPUTS
1.5 V
1.5 V
0V
tPZL
tPHL
tPLH
2.7 V
Output
Control
tPLZ
Output
Waveform 1
S1 at 6 V
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
1.5 V
tPZH
3V
VOL + 0.3 V
VOL
tPHZ
1.5 V
VOH – 0.3 V
VOH
[0V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr ≤ 2.5 ns, tf ≤ 2.5 ns.
D. The outputs are measured one at a time with one transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
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PACKAGE OPTION ADDENDUM
www.ti.com
21-Jul-2005
PACKAGING INFORMATION
Orderable Device
Status (1)
Package
Type
Package
Drawing
Pins Package Eco Plan (2)
Qty
Lead/Ball Finish
MSL Peak Temp (3)
74LVT16952DGGRE4
ACTIVE
TSSOP
DGG
56
TBD
Call TI
SN74LVT16952DGGR
ACTIVE
TSSOP
DGG
56
2000
Pb-Free
(RoHS)
CU NIPDAU
Call TI
Level-1-250C-UNLIM
SN74LVT16952DL
ACTIVE
SSOP
DL
56
20
Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
SN74LVT16952DLR
ACTIVE
SSOP
DL
56
1000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
SN74LVT16952DLRG4
ACTIVE
SSOP
DL
56
1000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
(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) 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.
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
MSSO001C – JANUARY 1995 – REVISED DECEMBER 2001
DL (R-PDSO-G**)
PLASTIC SMALL-OUTLINE PACKAGE
48 PINS SHOWN
0.025 (0,635)
0.0135 (0,343)
0.008 (0,203)
48
0.005 (0,13) M
25
0.010 (0,25)
0.005 (0,13)
0.299 (7,59)
0.291 (7,39)
0.420 (10,67)
0.395 (10,03)
Gage Plane
0.010 (0,25)
1
0°–ā8°
24
0.040 (1,02)
A
0.020 (0,51)
Seating Plane
0.110 (2,79) MAX
0.004 (0,10)
0.008 (0,20) MIN
PINS **
28
48
56
A MAX
0.380
(9,65)
0.630
(16,00)
0.730
(18,54)
A MIN
0.370
(9,40)
0.620
(15,75)
0.720
(18,29)
DIM
4040048 / E 12/01
NOTES: A.
B.
C.
D.
All linear dimensions are in inches (millimeters).
This drawing is subject to change without notice.
Body dimensions do not include mold flash or protrusion not to exceed 0.006 (0,15).
Falls within JEDEC MO-118
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MECHANICAL DATA
MTSS003D – JANUARY 1995 – REVISED JANUARY 1998
DGG (R-PDSO-G**)
PLASTIC SMALL-OUTLINE PACKAGE
48 PINS SHOWN
0,27
0,17
0,50
48
0,08 M
25
6,20
6,00
8,30
7,90
0,15 NOM
Gage Plane
1
0,25
24
0°– 8°
A
0,75
0,50
Seating Plane
0,15
0,05
1,20 MAX
PINS **
0,10
48
56
64
A MAX
12,60
14,10
17,10
A MIN
12,40
13,90
16,90
DIM
4040078 / F 12/97
NOTES: A.
B.
C.
D.
All linear dimensions are in millimeters.
This drawing is subject to change without notice.
Body dimensions do not include mold protrusion not to exceed 0,15.
Falls within JEDEC MO-153
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IMPORTANT NOTICE
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,
enhancements, improvements, and other changes to its products and services at any time and to discontinue
any product or service without notice. Customers should obtain the latest relevant information before placing
orders and should verify that such information is current and complete. All products are sold subject to TI’s terms
and conditions of sale supplied at the time of order acknowledgment.
TI warrants performance of its hardware products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI
deems necessary to support this warranty. Except where mandated by government requirements, testing of all
parameters of each product is not necessarily performed.
TI assumes no liability for applications assistance or customer product design. Customers are responsible for
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Following are URLs where you can obtain information on other Texas Instruments products and application
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Products
Applications
Amplifiers
amplifier.ti.com
Audio
www.ti.com/audio
Data Converters
dataconverter.ti.com
Automotive
www.ti.com/automotive
DSP
dsp.ti.com
Broadband
www.ti.com/broadband
Interface
interface.ti.com
Digital Control
www.ti.com/digitalcontrol
Logic
logic.ti.com
Military
www.ti.com/military
Power Mgmt
power.ti.com
Optical Networking
www.ti.com/opticalnetwork
Microcontrollers
microcontroller.ti.com
Security
www.ti.com/security
Telephony
www.ti.com/telephony
Video & Imaging
www.ti.com/video
Wireless
www.ti.com/wireless
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