SN74LVCZ16245A

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具有三态输出的 16 位总线收发器

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数据表

document-pdfAcrobat 16-Bit Bus Transceiver With 3-State Outputs 数据表 (Rev. D) (英语)

SN74LVCZ16245A

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数据表

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产品详情

Number of channels

16

IOL (max) (mA)

24

IOH (max) (mA)

-24

Input type

TTL/CMOS

Output type

LVTTL

Features

Balanced outputs

Technology family

LVC

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Number of channels

16

IOL (max) (mA)

24

IOH (max) (mA)

-24

Input type

TTL/CMOS

Output type

LVTTL

Features

Balanced outputs

Technology family

LVC

Rating

Catalog

Operating temperature range (°C)

-40 to 85

TVSOP (DGV)

48

62.08 mm² (9.7 mm × 6.4 mm)

TSSOP (DGG)

48

101.25 mm² (12.5 mm × 8.1 mm)

SSOP (DL)

48

164.358 mm² (15.88 mm × 10.35 mm)

Member of the Texas Instruments Widebus™ Family
Operates From 2.7 V to 3.6 V
Inputs Accept Voltages to 5.5 V
Max t_pd of 3.7 ns at 3.3 V
I_off and Power-Up 3-State Support Hot Insertion
Supports Mixed-Mode Signal Operation on All Ports (5-V Input/Output Voltage With 3.3-V V_CC)
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 1000-V Charged-Device Model (C101)

Widebus is a trademark of Texas Instruments.

Member of the Texas Instruments Widebus™ Family
Operates From 2.7 V to 3.6 V
Inputs Accept Voltages to 5.5 V
Max t_pd of 3.7 ns at 3.3 V
I_off and Power-Up 3-State Support Hot Insertion
Supports Mixed-Mode Signal Operation on All Ports (5-V Input/Output Voltage With 3.3-V V_CC)
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 1000-V Charged-Device Model (C101)

Widebus is a trademark of Texas Instruments.

This 16-bit (dual-octal) noninverting bus transceiver is designed for 2.7-V to 3.6-V V_CC operation.

The SN74LVCZ16245A is designed for asynchronous communication between data buses. The control-function implementation minimizes external timing requirements.

This device can be used as two 8-bit transceivers or one 16-bit transceiver. It allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE)\ input can be used to disable the device so that the buses are effectively isolated.

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators in a mixed 3.3-V/5-V system environment.

When V_CC is between 0 and 1.5 V, the device is in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 1.5 V, 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.

This device is fully specified for hot-insertion applications using I_off and power-up 3-state. The I_off circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. The power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down, which prevents driver conflict.

This 16-bit (dual-octal) noninverting bus transceiver is designed for 2.7-V to 3.6-V V_CC operation.

The SN74LVCZ16245A is designed for asynchronous communication between data buses. The control-function implementation minimizes external timing requirements.

This device can be used as two 8-bit transceivers or one 16-bit transceiver. It allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE)\ input can be used to disable the device so that the buses are effectively isolated.

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators in a mixed 3.3-V/5-V system environment.

When V_CC is between 0 and 1.5 V, the device is in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 1.5 V, 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.

This device is fully specified for hot-insertion applications using I_off and power-up 3-state. The I_off circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. The power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down, which prevents driver conflict.

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