SCES874 March   2017 SN74LVC1G79-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics
    6. 6.6  Timing Requirements
    7. 6.7  Timing Requirements
    8. 6.8  Switching Characteristics: CL = 15 pF, TA = -40°C to +85°C
    9. 6.9  Switching Characteristics: CL = 30 or 50 pF, TA = -40°C to +85°C
    10. 6.10 Switching Characteristics: CL = 30 pF or 50 pF, TA = -40°C to +125°C
    11. 6.11 Operating Characteristics
    12. 6.12 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Balanced High-Drive CMOS Push-Pull Outputs
      2. 8.3.2 Standard CMOS Inputs
      3. 8.3.3 Clamp Diodes
      4. 8.3.4 Partial Power Down (Ioff)
      5. 8.3.5 Over-Voltage Tolerant Inputs
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

6 Specifications

6.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted)(1)
MIN MAX UNIT
VCC Supply voltage –0.5 6.5 V
VI Input voltage(2) –0.5 6.5 V
VO Voltage range applied to any output in the high-impedance or power-off state(2) –0.5 6.5 V
VO Voltage range applied to any output in the high or low state(2)(3) –0.5 VCC + 0.5 V
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 VCC or GND ±100 mA
Tstg Storage temperature –65 150 °C
TJ Junction Temperature 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 negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed.
(3) The value of VCC is provided in the Recommended Operating Conditions table.

6.2 ESD Ratings

VALUE UNIT
V(ESD) Electrostatic discharge Human-body model (HBM), per AEC Q100-002(1) ±4000 V
Charged-device model (CDM), per AEC Q100-011 ±1000
(1) AEC Q100-002 indicates that HBM stressing shall be in accordance with the ANSI/ESDA/JEDEC JS-001 specification.

6.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)(1)
MIN MAX UNIT
VCC Supply voltage Operating 1.65 5.5 V
Data retention only 1.5
VIH High-level input voltage VCC = 1.65 V to 1.95 V 0.65 × VCC V
VCC = 2.3 V to 2.7 V 1.7
VCC = 3 V to 3.6 V 2
VCC = 4.5 V to 5.5 V 0.7 × VCC
VIL Low-level input voltage VCC = 1.65 V to 1.95 V 0.35 × VCC V
VCC = 2.3 V to 2.7 V 0.7
VCC = 3 V to 3.6 V 0.8
VCC = 4.5 V to 5.5 V 0.3 × VCC
VI Input voltage 0 5.5 V
VO Output voltage 0 VCC V
IOH High-level output current VCC = 1.65 V –4 mA
VCC = 2.3 V –8
VCC = 3 V –16
–24
VCC = 4.5 V –32
IOL Low-level output current VCC = 1.65 V 4 mA
VCC = 2.3 V 8
VCC = 3 V 16
24
VCC = 4.5 V 32
Δt/Δv Input transition rise or fall rate VCC = 1.8 V ± 0.15 V, 2.5 V ± 0.2 V 20 ns/V
VCC = 3.3 V ± 0.3 V 10
VCC = 5 V ± 0.5 V 5
TA Operating free-air temperature –40 125 °C
(1) All unused inputs of the device must be held at VCC or GND to ensure proper device operation. See Implications of Slow or Floating CMOS Inputs, SCBA004.

6.4 Thermal Information

THERMAL METRIC(1) SN74LVC1G79-Q1 UNIT
DCK
5 PINS
RθJA Junction-to-ambient thermal resistance 277.6 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 179.5 °C/W
RθJB Junction-to-board thermal resistance 75.9 °C/W
ψJT Junction-to-top characterization parameter 49.7 °C/W
ψJB Junction-to-board characterization parameter 75.1 °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report.

6.5 Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS VCC –40°C to +85°C –40°C to +125°C UNIT
MIN TYP(1) MAX MIN TYP(1) MAX
VOH IOH = –100 µA 1.65 V to 5.5 V VCC – 0.1 VCC – 0.1 V
IOH = –4 mA 1.65 V 1.2 1.2
IOH = –8 mA 2.3 V 1.9 1.9
IOH = –16 mA 3 V 2.4 2.4
IOH = –24 mA 2.3 2.3
IOH = –32 mA 4.5 V 3.8 3.8
VOL IOL = 100 µA 1.65 V to 5.5 V 0.1 0.1 V
IOL = 4 mA 1.65 V 0.45 0.45
IOL = 8 mA 2.3 V 0.3 0.3
IOL = 16 mA 3 V 0.4 0.4
IOL = 24 mA 0.55 0.55
IOL = 32 mA 4.5 V 0.55 0.55
II All inputs VI = 5.5 V or GND 0 to 5.5 V ±10 ±5 µA
Ioff VI or VO = 5.5 V 0 ±10 ±10 µA
ICC VI = 5.5 V or GND, IO = 0 1.65 V to 5.5 V 10 10 µA
ΔICC One input at VCC – 0.6 V,
Other inputs at VCC or GND		 3 V to 5.5 V 500 500 µA
Ci VI = VCC or GND 3.3 V 4 4 pF
(1) All typical values are at VCC = 3.3 V, TA = 25°C.

6.6 Timing Requirements

over operating free-air temperature range (unless otherwise noted) (see Figure 3)
PARAMETER –40°C to +85°C UNIT
VCC = 1.8
± 0.15 V		 VCC = 2.5
± 0.2 V		 VCC = 3.3 V
± 0.3 V		 VCC = 5 V
± 0.5 V
MIN MAX MIN MAX MIN MAX MIN MAX
fclock Clock frequency 160 160 160 160 MHz
tw Pulse duration, CLK high or low 2.5 2.5 2.5 2.5 ns
tsu Setup time before CLK↑ Data high 2.2 1.4 1.3 1.2 ns
Data low 2.6 1.4 1.3 1.2
th Hold time, data after CLK↑ 0.3 0.4 1 0.5 ns

6.7 Timing Requirements

over operating free-air temperature range (unless otherwise noted) (see Figure 3)
PARAMETER –40°C to +125°C UNIT
VCC = 1.8
± 0.15 V		 VCC = 2.5
± 0.2 V		 VCC = 3.3 V
± 0.3 V		 VCC = 5 V
± 0.5 V
MIN MAX MIN MAX MIN MAX MIN MAX
fclock Clock frequency 160 160 160 160 MHz
tw Pulse duration, CLK high or low 2.5 2.5 2.5 2.5 ns
tsu Setup time before CLK↑ Data high 2.2 1.4 1.3 1.2 ns
Data low 2.6 1.4 1.3 1.2
th Hold time, data after CLK↑ 0.3 0.4 1 0.5 ns

6.8 Switching Characteristics: CL = 15 pF, TA = –40°C to +85°C

over recommended operating free-air temperature range, CL = 15 pF (unless otherwise noted) (see Figure 3)
PARAMETER FROM
(INPUT)		 TO
(OUTPUT)		 TA = –40°C to +85°C UNIT
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
MIN MAX MIN MAX MIN MAX MIN MAX
fmax 160 160 160 160 MHz
tpd CLK Q 2.5 9.1 1.2 6 1 4 0.8 3.8 ns

6.9 Switching Characteristics: CL = 30 or 50 pF, TA = –40°C to +85°C

over recommended operating free-air temperature range, CL = 30 pF or 50 pF (unless otherwise noted) (see Figure 4)
PARAMETER FROM
(INPUT)		 TO
(OUTPUT)		 TA = –40°C to +85°C UNIT
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
MIN MAX MIN MAX MIN MAX MIN MAX
fmax 160 160 160 160 MHz
tpd CLK Q 3.9 9.9 2 7 1.7 5 1 4.5 ns

6.10 Switching Characteristics: CL = 30 pF or 50 pF, TA = –40°C to +125°C

over recommended operating free-air temperature range, CL = 30 pF or 50 pF (unless otherwise noted) (see Figure 4)
PARAMETER FROM
(INPUT)		 TO
(OUTPUT)		 TA = –40°C to +125°C UNIT
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
MIN MAX MIN MAX MIN MAX MIN MAX
fmax 160 160 160 160 MHz
tpd CLK Q 3.9 12 2 8.5 1.7 6 1 5 ns

6.11 Operating Characteristics

TA = 25°C
PARAMETER TEST
CONDITIONS		 VCC = 1.8 V VCC = 2.5 V VCC = 3.3 V VCC = 5 V UNIT
TYP TYP TYP TYP
Cpd Power dissipation capacitance f = 10 MHz 26 26 27 30 pF

6.12 Typical Characteristics

This plot shows the different ICC values for various voltages on the data input (D). Voltage sweep on the input is from 0 V to 6.5 V.
SN74LVC1G79-Q1 ICCvsInputVoltage-1_8V-2_5V.gif Figure 1. Supply Current (ICC) vs Data (D) Input Voltage - 1.8 V and 2.5 V
SN74LVC1G79-Q1 ICCvsInputVoltage-3_3V-5V.gif Figure 2. Supply Current (ICC) vs Data (D) Input Voltage - 3.3 V and 5 V