SCES635B JULY   2005  – April 2015 SN74LVCH16T245

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Electrical Characteristics
    6. 7.6  Switching Characteristics for VCCA = 1.8 V ±0.15 V
    7. 7.7  Switching Characteristics for VCCA = 2.5 V ±0.2 V
    8. 7.8  Switching Characteristics for VCCA = 3.3 V ±0.3 V
    9. 7.9  Switching Characteristics for VCCA = 5 V ±0.5 V
    10. 7.10 Operating Characteristics
    11. 7.11 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.65-V to 5.5-V Power-Supply Range
      2. 9.3.2 Support High-Speed Translation
      3. 9.3.3 Partial-Power-Down Mode Operation
      4. 9.3.4 VCC Isolation
      5. 9.3.5 Bus Hold on Data Inputs
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Enable Times
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
      3. 10.2.3 Application Curve
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
      1. 13.1.1 Related Documentation
    2. 13.2 Trademarks
    3. 13.3 Electrostatic Discharge Caution
    4. 13.4 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7 Specifications

7.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted)(1)
MIN MAX UNIT
VCCA
VCCB		 Supply voltage –0.5 6.5 V
VI Input voltage(2) I/O ports (A port) –0.5 6.5 V
I/O ports (B port) –0.5 6.5
Control inputs –0.5 6.5
VO Voltage applied to any output
in the high-impedance or power-off state(2)		 A port –0.5 6.5 V
B port –0.5 6.5
VO Voltage applied to any output in the high or low state(2)(3) A port –0.5 VCCA + 0.5 V
B port –0.5 VCCB + 0.5
IIK Input clamp current VI < 0 –50 mA
IOK Output clamp current VO < 0 –50 mA
IO Continuous output current ±50 mA
Continuous current through each VCCA, VCCB, and GND ±100 mA
TJ Junction temperature -40 150 °C
Tstg Storage temperature –65 150 °C
(1) 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.
(2) The input (VI ) and output (VO) negative-voltage ratings may be exceeded if the input and output current ratings are observed.
(3) The output positive-voltage rating may be exceeded up to 6.5 V maximum if the output current rating is observed.

7.2 ESD Ratings

VALUE UNIT
V(ESD) Electrostatic discharge Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2000 V
Charged-device model (CDM), per JEDEC specification JESD22-C101(2) ±1000
Machine Model (MM), Per JEDEC specification JESD22-A115-A ±200
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

7.3 Recommended Operating Conditions

See (1)(2)(3).
VCCI VCCO MIN MAX UNIT
VCCA Supply voltage 1.65 5.5 V
VCCB 1.65 5.5
VIH High-level
input voltage		 Data inputs(4) 1.65 V to 1.95 V VCCI × 0.65 V
2.3 V to 2.7 V 1.7
3 V to 3.6 V 2
4.5 V to 5.5 V VCCI × 0.7
VIL Low-level
input voltage		 Data inputs(4) 1.65 V to 1.95 V VCCI × 0.35 V
2.3 V to 2.7 V 0.7
3 V to 3.6 V 0.8
4.5 V to 5.5 V VCCI × 0.3
VIH High-level
input voltage		 Control inputs
(referenced to VCCA)(5)		 1.65 V to 1.95 V VCCA × 0.65 V
2.3 V to 2.7 V 1.7
3 V to 3.6 V 2
4.5 V to 5.5 V VCCA × 0.7
VIL Low-level
input voltage		 Control inputs
(referenced to VCCA)(5)		 1.65 V to 1.95 V VCCA × 0.35 V
2.3 V to 2.7 V 0.7
3 V to 3.6 V 0.8
4.5 V to 5.5 V VCCA × 0.3
VI Input voltage Control inputs 0 5.5 V
VI/O Input/output voltage Active state 0 VCCO V
Tri-State 0 5.5
IOH High-level output current 1.65 V to 1.95 V –4 mA
2.3 V to 2.7 V –8
3 V to 3.6 V –24
4.5 V to 5.5 V –32
IOL Low-level output current 1.65 V to 1.95 V 4 mA
2.3 V to 2.7 V 8
3 V to 3.6 V 24
4.5 V to 5.5 V 32
Δt/Δv Input transition
rise or fall rate		 Data inputs 1.65 V to 1.95 V 20 ns/V
2.3 V to 2.7 V 20
3 V to 3.6 V 10
4.5 V to 5.5 V 5
TA Operating free-air temperature –40 85 °C
(1) VCCI is the VCC associated with the data input port.
(2) VCCO is the VCC associated with the output port.
(3) All unused control inputs of the device must be held at VCCA GND to ensure proper device operation and minimize power consumption. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs,SCBA004.
(4) For VCCI values not specified in the data sheet, VIH min = VCCI × 0.7 V, VIL max = VCCI × 0.3 V.
(5) For VCCA values not specified in the data sheet, VIH min = VCCA × 0.7 V, VIL max = VCCA × 0.3 V.

7.4 Thermal Information

THERMAL METRIC(1) SN74LVCH16T245 UNIT
DL (SSOP) DGG (TSSOP) DGV (TVSOP) GQL / ZQL (BGA)
48 PINS 48 PINS 48 PINS 56 PINS
RθJA Junction-to-ambient thermal resistance 92.9 60 82.5 64.6 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 29.5 13.9 34.2 16.6 °C/W
RθJB Junction-to-board thermal resistance 35.5 27.1 45.1 30.8 °C/W
ψJT Junction-to-top characterization parameter 8.1 0.5 2.7 0.9 °C/W
ψJB Junction-to-board characterization parameter 34.9 26.8 44.6 64.6 °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953.

7.5 Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)(1)(2)
PARAMETER TEST CONDITIONS VCCA VCCB MIN TYP MAX UNIT
VOH IOH = –100 μA, VI = VIH 1.65 V to 4.5 V 1.65 V to 4.5 V VCCO  – 0.1 V
IOH = –4 mA, VI = VIH 1.65 V 1.65 V 1.2
IOH = –8 mA, VI = VIH 2.3 V 2.3 V 1.9
IOH = –24 mA, VI = VIH 3 V 3 V 2.4
IOH = –32 mA, VI = VIH 4.5 V 4.5 V 3.8
VOL IOL = 100 μA, VI = VIL 1.65 V to 4.5 V 1.65 V to 4.5 V 0.1 V
IOL = 4 mA, VI = VIL 1.65 V 1.65 V 0.45
IOL = 8 mA, VI = VIL 2.3 V 2.3 V 0.3
IOL = 24 mA, VI = VIL 3 V 3 V 0.55
IOL = 32 mA, VI = VIL 4.5 V 4.5 V 0.55
II Control
inputs		 VI = VCCA or GND 1.65 V to 5.5 V 1.65 V to 5.5 V ±0.5 ±2 μA
IBHL(3) VI = 0.58 V 1.65 V 1.65 V 15 μA
VI = 0.7 V 2.3 V 2.3 V 45
VI = 0.8 V 3 V 3 V 75
VI = 0.1.35 V 4.5 V 4.5 V 100
IBHH(4) VI = 1.07 V 1.65 V 1.65 V –15 μA
VI = 1.7 V 2.3 V 2.3 V –45
VI = 2 V 3 V 3 V –75
VI = 3.15 V 4.5 V 4.5 V –100
IBHLO(5) VI = 0 to VCC 1.95 V 1.95 V 200 μA
2.7 V 2.7 V 300
3.6 V 3.6 V 500
5.5 V 5.5 V 900
IBHHO(6) VI = 0 to VCC 1.95 V 1.95 V –200 μA
2.7 V 2.7 V –300
3.6 V 3.6 V –500
5.5 V 5.5 V –900
Ioff A port VI or VO = 0 to 5.5 V 0 V 0 to 5.5 V ±0.5 ±2 μA
B port 0 to 5.5 V 0 V ±0.5 ±2
IOZ A or B
port		 VO = VCCO or GND,
VI = VCCI or GND		 OE = VIH 1.65 V to 5.5 V 1.65 V to 5.5 V ±2 μA
B port OE = don't care 0 V 5.5 V ±2
A port 5.5 V 0 V ±2
ICCA VI = VCCI or GND, IO = 0 1.65 V to 5.5 V 1.65 V to 5.5 V 20 μA
5 V 0 V 20
0 V 5 V –2
ICCB VI = VCCI or GND, IO = 0 1.65 V to 5.5 V 1.65 V to 5.5 V 20 μA
5 V 0 V –2
0 V 5 V 20
ICCA + ICCB VI = VCCI or GND, IO = 0 1.65 V to 5.5 V 1.65 V to 5.5 V 30 μA
ΔICCA DIR DIR at VCCA  – 0.6 V,
B port = open,
A port at VCCA or GND		 3 V to 5.5 V 3 V to 5.5 V 50 μA
Ci Control
inputs		 VI = VCCA or GND 3.3 V 3.3 V 4 5 pF
Cio A or B
port		 VO = VCCA/B or GND 3.3 V 3.3 V 8.5 10 pF
(1) VCCO is the VCC associated with the output port.
(2) VCCI is the VCC associated with the input port.
(3) The bus-hold circuit can sink at least the minimum low sustaining current at VIL max. IBHL should be measured after lowering VIN to GND and then raising it to VIL max.
(4) The bus-hold circuit can source at least the minimum high sustaining current at VIH min. IBHH should be measured after raising VIN to VCC and then lowering it to VIH min.
(5) An external driver must source at least IBHLO to switch this node from low to high.
(6) An external driver must sink at least IBHHO to switch this node from high to low.

7.6 Switching Characteristics for VCCA = 1.8 V ±0.15 V

over recommended operating free-air temperature range, VCCA = 1.8 V ± 0.15 V (unless otherwise noted) (see Figure 3)
PARAMETER FROM
(INPUT)		 TO
(OUTPUT)		 VCCB = 1.8 V
±0.15 V		 VCCB = 2.5 V
±0.2 V		 VCCB = 3.3 V
±0.3 V		 VCCB = 5 V
±0.5 V		 UNIT
MIN MAX MIN MAX MIN MAX MIN MAX
tPLH A B 1.7 21.9 1.3 9.2 1 7.4 0.4 7.1 ns
tPHL
tPLH B A 0.9 23.8 0.8 23.8 0.7 23.4 0.7 23.4 ns
tPHL
tPHZ OE A 1.5 29.6 1.5 29.4 1.5 29.3 1.4 29.2 ns
tPLZ
tPHZ OE B 2.4 32.2 1.9 13.1 1.7 12 1.3 10.3 ns
tPLZ
tPZH OE A 0.4 24 0.4 23.8 0.4 23.7 0.4 23.7 ns
tPZL
tPZH OE B 1.8 32 1.5 18 1.2 12.6 0.9 10.8 ns
tPZL

7.7 Switching Characteristics for VCCA = 2.5 V ±0.2 V

over recommended operating free-air temperature range, VCCA = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 3)
PARAMETER FROM
(INPUT)		 TO
(OUTPUT)		 VCCB = 1.8 V
±0.15 V		 VCCB = 2.5 V
±0.2 V		 VCCB = 3.3 V
±0.3 V		 VCCB = 5 V
±0.5 V		 UNIT
MIN MAX MIN MAX MIN MAX MIN MAX
tPLH A B 1.5 21.4 1.2 9 0.8 6.2 0.6 4.8 ns
tPHL
tPLH B A 1.2 9.3 1 9.1 1 8.9 0.9 8.8 ns
tPHL
tPHZ OE A 1.4 9 1.4 9 1.4 9 1.4 9 ns
tPLZ
tPHZ OE B 2.3 29.6 1.8 11 1.7 9.3 0.9 6.9 ns
tPLZ
tPZH OE A 1 10.9 1 10.9 1 10.9 1 10.9 ns
tPZL
tPZH OE B 1.7 28.2 1.5 12.9 1.2 9.4 1 6.9 ns
tPZL

7.8 Switching Characteristics for VCCA = 3.3 V ±0.3 V

over recommended operating free-air temperature range, VCCA = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 3)
PARAMETER FROM
(INPUT)		 TO
(OUTPUT)		 VCCB = 1.8 V
±0.15 V		 VCCB = 2.5 V
±0.2 V		 VCCB = 3.3 V
±0.3 V		 VCCB = 5 V
±0.5 V		 UNIT
MIN MAX MIN MAX MIN MAX MIN MAX
tPLH A B 1.6 21.2 1.1 8.8 0.8 6.2 0.6 4.4 ns
tPHL
tPLH B A 0.8 7.2 0.8 6.2 0.7 6.1 0.6 6 ns
tPHL
tPHZ OE A 1.6 8.2 1.6 8.2 1.6 8.2 1.6 8.2 ns
tPLZ
tPHZ OE B 2.1 29 1.7 10.3 1.5 8.8 0.8 6.3 ns
tPLZ
tPZH OE A 0.8 7.8 0.8 8.1 0.8 8.1 0.8 8.1 ns
tPZL
tPZH OE B 1.8 27.7 1.4 12.4 1.1 8.5 0.8 6.4 ns
tPZL

7.9 Switching Characteristics for VCCA = 5 V ±0.5 V

over recommended operating free-air temperature range, VCCA = 5 V ± 0.5 V (unless otherwise noted) (see Figure 3)
PARAMETER FROM
(INPUT)		 TO
(OUTPUT)		 VCC = 1.8 V
±0.15 V		 VCC = 2.5 V
±0.2 V		 VCC = 3.3 V
±0.3 V		 VCC = 5 V
±0.5 V		 UNIT
MIN MAX MIN MAX MIN MAX MIN MAX
tPLH A B 1.5 21.4 1 8.8 0.7 6 0.4 4.2 ns
tPHL
tPLH B A 0.7 7 0.4 4.8 0.3 4.5 0.3 4.3 ns
tPHL
tPHZ OE A 0.3 5.4 0.3 5.4 0.3 5.4 0.3 5.4 ns
tPLZ
tPHZ OE B 2 28.7 1.8 9.7 1.4 8 0.7 5.7 ns
tPLZ
tPZH OE A 0.7 6.4 0.7 6.4 0.7 6.4 0.7 6.4 ns
tPZL
tPZH OE B 1.5 27.6 1.3 11.4 1 8.1 0.9 6 ns
tPZL

7.10 Operating Characteristics

TA = 25°C
PARAMETER TEST
CONDITIONS		 VCCA =
VCCB = 1.8 V		 VCCA =
VCCB = 2.5 V		 VCCA =
VCCB = 3.3 V		 VCCA =
VCCB = 5 V		 UNIT
TYP TYP TYP TYP
CpdA(1) A-port input, B-port output CL = 0,
f = 10 MHz,
tr = tf = 1 ns		 2 2 2 3 pF
B-port input, A-port output 18 19 19 22
CpdB(1) A-port input, B-port output 18 19 20 22
B-port input, A-port output 2 2 2 2
(1) Power dissipation capacitance per transceiver. Refer to the TI application report, CMOS Power Consumption and Cpd Calculation, SCAA035

7.11 Typical Characteristics

SN74LVCH16T245 G001_sces584.gif
Figure 1. VOL Voltage vs IOL Current
SN74LVCH16T245 G002_sces584.gif
Figure 2. VOH Voltage vs IOH Current