SN74AHC16373

Name: SN74AHC16373
Brand: TI
SKU: SN74AHC16373
Price: 0.437 USD

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

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Data sheet

document-pdfAcrobat 16-Bit Transparent D-Type Latches With 3-State Outputs datasheet (Rev. G)

SN74AHC16373

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Data sheet

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Product details

Number of channels

16

Technology family

AHC

Supply voltage (min) (V)

2

Supply voltage (max) (V)

5.5

Input type

Standard CMOS

Output type

3-State

Clock frequency (max) (MHz)

110

IOL (max) (mA)

8

IOH (max) (mA)

-8

Supply current (max) (µA)

40

Features

Balanced outputs, Flow-through pinout, High speed (tpd 10-50ns), Over-voltage tolerant inputs

Operating temperature range (°C)

-40 to 85

Rating

Catalog

Number of channels

16

Technology family

AHC

Supply voltage (min) (V)

2

Supply voltage (max) (V)

5.5

Input type

Standard CMOS

Output type

3-State

Clock frequency (max) (MHz)

110

IOL (max) (mA)

8

IOH (max) (mA)

-8

Supply current (max) (µA)

40

Features

Balanced outputs, Flow-through pinout, High speed (tpd 10-50ns), Over-voltage tolerant inputs

Operating temperature range (°C)

-40 to 85

Rating

Catalog

SSOP (DL)

48

164.358 mm² 15.88 x 10.35

TSSOP (DGG)

48

101.25 mm² 12.5 x 8.1

TVSOP (DGV)

48

62.08 mm² 9.7 x 6.4

Members of the Texas Instruments Widebus^TM Family
EPIC^TM (Enhanced-Performance Implanted CMOS) Process
Operating Range 2-V to 5.5-V V_CC
Distributed V_CC and GND Pins Minimize High-Speed Switching Noise
Flow-Through Architecture Optimizes PCB Layout
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
Package Options Include Plastic Shrink Small-Outline (DL), Thin Shrink Small-Outline (DGG), and Thin Very Small-Outline (DGV) Packages and 380-mil Fine-Pitch Ceramic Flat (WD) Package Using 25-mil Center-to-Center Spacings

EPIC and Widebus are trademarks of Texas Instruments Incorporated.

Members of the Texas Instruments Widebus^TM Family
EPIC^TM (Enhanced-Performance Implanted CMOS) Process
Operating Range 2-V to 5.5-V V_CC
Distributed V_CC and GND Pins Minimize High-Speed Switching Noise
Flow-Through Architecture Optimizes PCB Layout
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
Package Options Include Plastic Shrink Small-Outline (DL), Thin Shrink Small-Outline (DGG), and Thin Very Small-Outline (DGV) Packages and 380-mil Fine-Pitch Ceramic Flat (WD) Package Using 25-mil Center-to-Center Spacings

EPIC and Widebus are trademarks of Texas Instruments Incorporated.

The 'AHC16373 devices are 16-bit transparent D-type latches with 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.

These devices 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 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.

To ensure the high-impedance state during power up or power down, OE\ should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

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.

The SN54AHC16373 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74AHC16373 is characterized for operation from -40°C to 85°C.

The 'AHC16373 devices are 16-bit transparent D-type latches with 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.

These devices 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 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.

To ensure the high-impedance state during power up or power down, OE\ should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

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.

The SN54AHC16373 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74AHC16373 is characterized for operation from -40°C to 85°C.

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