SN74AVC16373

ACTIVE

16-Bit Transparent D-Type Latch With 3-State Outputs

SN74AVC16373

ACTIVE

Product details

Number of channels 16 Technology family AVC Supply voltage (min) (V) 1.4 Supply voltage (max) (V) 3.6 Input type Standard CMOS Output type 3-State Clock frequency (max) (MHz) 200 IOL (max) (mA) 12 IOH (max) (mA) -12 Supply current (max) (µA) 40 Features Balanced outputs, Flow-through pinout, Over-voltage tolerant inputs, Partial power down (Ioff), Ultra high speed (tpd <5ns) Operating temperature range (°C) -40 to 85 Rating Catalog
Number of channels 16 Technology family AVC Supply voltage (min) (V) 1.4 Supply voltage (max) (V) 3.6 Input type Standard CMOS Output type 3-State Clock frequency (max) (MHz) 200 IOL (max) (mA) 12 IOH (max) (mA) -12 Supply current (max) (µA) 40 Features Balanced outputs, Flow-through pinout, Over-voltage tolerant inputs, Partial power down (Ioff), Ultra high speed (tpd <5ns) Operating temperature range (°C) -40 to 85 Rating Catalog
TSSOP (DGG) 48 101.25 mm² 12.5 x 8.1 TVSOP (DGV) 48 62.08 mm² 9.7 x 6.4
  • Member of the Texas Instruments Widebus™ Family
  • EPIC™ (Enhanced-Performance Implanted CMOS) Submicron Process
  • DOC™ (Dynamic Output Control) Circuit Dynamically Changes Output Impedance, Resulting in Noise Reduction Without Speed Degradation
  • Dynamic Drive Capability Is Equivalent to Standard Outputs With IOH and IOL of ±24 mA at 2.5-V VCC
  • Overvoltage-Tolerant Inputs/Outputs Allow Mixed-Voltage-Mode Data Communications
  • Ioff Supports Partial-Power-Down Mode Operation
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • Package Options Include Plastic Thin Shrink Small-Outline (DGG) and Thin Very Small-Outline (DGV) Packages

2Widebus, EPIC, DOC are trademarks of Texas Instruments.

  • Member of the Texas Instruments Widebus™ Family
  • EPIC™ (Enhanced-Performance Implanted CMOS) Submicron Process
  • DOC™ (Dynamic Output Control) Circuit Dynamically Changes Output Impedance, Resulting in Noise Reduction Without Speed Degradation
  • Dynamic Drive Capability Is Equivalent to Standard Outputs With IOH and IOL of ±24 mA at 2.5-V VCC
  • Overvoltage-Tolerant Inputs/Outputs Allow Mixed-Voltage-Mode Data Communications
  • Ioff Supports Partial-Power-Down Mode Operation
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • Package Options Include Plastic Thin Shrink Small-Outline (DGG) and Thin Very Small-Outline (DGV) Packages

2Widebus, EPIC, DOC are trademarks of Texas Instruments.

A Dynamic Output Control (DOC™) circuit is implemented, which, during the transition, initially lowers the output impedance to effectively drive the load and, subsequently, raises the impedance to reduce noise. Figure 1 shows typical VOL vs IOL and VOH vs IOH curves to illustrate the output impedance and drive capability of the circuit. At the beginning of the signal transition, the DOC circuit provides a maximum dynamic drive that is equivalent to a high-drive standard-output device. For more information, refer to the TI application reports, AVC Logic Family Technology and Applications, literature number SCEA006, and Dynamic Output Control (DOC™) Circuitry Technology and Applications, literature number SCEA009.

This 16-bit transparent D-type latch is operational at 1.2-V to 3.6-V VCC, but is designed specifically for 1.65-V to 3.6-V VCC operation.

The SN74AVC16373 is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. This device can be used as two 8-bit latches or one 16-bit latch. When the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is taken low, the Q outputs are latched at the levels set up at the D inputs.

A buffered output-enable (OE) input can be used to place the eight outputs in either a normal logic state (high or low logic levels) or the high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and the increased drive provide the capability to drive bus lines without need for interface or pullup components. OE does not affect internal operations of the latch. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.

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.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

The SN74AVC16373 is characterized for operation from –40°C to 85°C.

A Dynamic Output Control (DOC™) circuit is implemented, which, during the transition, initially lowers the output impedance to effectively drive the load and, subsequently, raises the impedance to reduce noise. Figure 1 shows typical VOL vs IOL and VOH vs IOH curves to illustrate the output impedance and drive capability of the circuit. At the beginning of the signal transition, the DOC circuit provides a maximum dynamic drive that is equivalent to a high-drive standard-output device. For more information, refer to the TI application reports, AVC Logic Family Technology and Applications, literature number SCEA006, and Dynamic Output Control (DOC™) Circuitry Technology and Applications, literature number SCEA009.

This 16-bit transparent D-type latch is operational at 1.2-V to 3.6-V VCC, but is designed specifically for 1.65-V to 3.6-V VCC operation.

The SN74AVC16373 is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. This device can be used as two 8-bit latches or one 16-bit latch. When the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is taken low, the Q outputs are latched at the levels set up at the D inputs.

A buffered output-enable (OE) input can be used to place the eight outputs in either a normal logic state (high or low logic levels) or the high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and the increased drive provide the capability to drive bus lines without need for interface or pullup components. OE does not affect internal operations of the latch. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.

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.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

The SN74AVC16373 is characterized for operation from –40°C to 85°C.

Download View video with transcript Video

Similar products you might be interested in

open-in-new Compare alternates
Similar functionality to the compared device
SN74LVC373A ACTIVE Octal Transparent D-Type Latch With 3-State Outputs Higher average drive strength (24mA), longer average propagation delay (5.5ns)

Technical documentation

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Simulation model

SN74AVC16373 IBIS Model

SCEM413.ZIP (70 KB) - IBIS Model
Package Pins CAD symbols, footprints & 3D models
TSSOP (DGG) 48 Ultra Librarian
TVSOP (DGV) 48 Ultra Librarian

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos