SN74AVC20T245

활성

구성 가능한 전압 변환 및 3상 출력을 지원하는 20비트 듀얼 공급 버스 트랜시버

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데이터 시트

document-pdfAcrobat SN74AVC20T245 20-Bit Dual-Supply Bus Transceiver datasheet (Rev. F) (영어)

SN74AVC20T245

활성

지금 주문하기

제품 상세 정보

Bits (#)

20

Data rate (max) (Mbps)

380

Topology

Push-Pull

Direction control (typ)

Direction-controlled

Vin (min) (V)

1.2

Vin (max) (V)

3.6

Vout (min) (V)

1.2

Vout (max) (V)

3.6

Applications

GPIO

Features

Output enable, Overvoltage tolerant inputs, Partial power down (Ioff)

Technology family

AVC

Supply current (max) (mA)

0.065

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Bits (#)

20

Data rate (max) (Mbps)

380

Topology

Push-Pull

Direction control (typ)

Direction-controlled

Vin (min) (V)

1.2

Vin (max) (V)

3.6

Vout (min) (V)

1.2

Vout (max) (V)

3.6

Applications

GPIO

Features

Output enable, Overvoltage tolerant inputs, Partial power down (Ioff)

Technology family

AVC

Supply current (max) (mA)

0.065

Rating

Catalog

Operating temperature range (°C)

-40 to 85

TSSOP (DGG)

56

113.4 mm² (14 mm × 8.1 mm)

TVSOP (DGV)

56

72.32 mm² (11.3 mm × 6.4 mm)

Control Inputs V_IH/V_IL Levels are Referenced to V_CCA Voltage
V_CC Isolation Feature - If Either V_CC Input Is at GND, Both Ports Are in the High-Impedance State
Overvoltage-Tolerant Inputs/Outputs Allow Mixed-Voltage-Mode Data Communications
Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.2-V to 3.6-V Power-Supply Range
I_off Supports Partial-Power-Down Mode Operation
I/Os Are 4.6-V Tolerant
Max Data Rates
- 380 Mbps (1.8-V to 3.3-V Translation)
- 260 Mbps (1.8-V to 3.3-V Translation)
- 260 Mbps (Translate to 2.5 V)
- 210 Mbps (Translate to 1.8 V)
- 120 Mbps (Translate to 1.5 V)
- 100 Mbps (Translate to 1.2 V)
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Protection Exceeds JESD 22
- 8000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)

Control Inputs V_IH/V_IL Levels are Referenced to V_CCA Voltage
V_CC Isolation Feature - If Either V_CC Input Is at GND, Both Ports Are in the High-Impedance State
Overvoltage-Tolerant Inputs/Outputs Allow Mixed-Voltage-Mode Data Communications
Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.2-V to 3.6-V Power-Supply Range
I_off Supports Partial-Power-Down Mode Operation
I/Os Are 4.6-V Tolerant
Max Data Rates
- 380 Mbps (1.8-V to 3.3-V Translation)
- 260 Mbps (1.8-V to 3.3-V Translation)
- 260 Mbps (Translate to 2.5 V)
- 210 Mbps (Translate to 1.8 V)
- 120 Mbps (Translate to 1.5 V)
- 100 Mbps (Translate to 1.2 V)
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Protection Exceeds JESD 22
- 8000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)

This 20-bit noninverting bus transceiver uses two separate configurable power-supply rails.

The SN74AVC20T245 is optimized to operate with V_CCA/V_CCB set at 1.4 V to 3.6 V. It is operational with V_CCA/V_CCB as low as 1.2 V. The A port is designed to track V_CCA. V_CCA accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track V_CCB. V_CCB accepts any supply voltage from 1.2 V to 3.6 V. This allows for universal low-voltage bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.

The SN74AVC20T245 is designed for asynchronous communication between data buses. The device transmits data 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 outputs so that the buses are effectively isolated.

The SN74AVC20T245 is designed so that the control (1DIR, 2DIR, 1OE\, and 2OE\) inputs are supplied by V_CCA.

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

The V_CC isolation feature ensures that if either V_CC input is at GND, both ports are in the high-impedance state.

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.

This 20-bit noninverting bus transceiver uses two separate configurable power-supply rails.

The SN74AVC20T245 is optimized to operate with V_CCA/V_CCB set at 1.4 V to 3.6 V. It is operational with V_CCA/V_CCB as low as 1.2 V. The A port is designed to track V_CCA. V_CCA accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track V_CCB. V_CCB accepts any supply voltage from 1.2 V to 3.6 V. This allows for universal low-voltage bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.

The SN74AVC20T245 is designed for asynchronous communication between data buses. The device transmits data 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 outputs so that the buses are effectively isolated.

The SN74AVC20T245 is designed so that the control (1DIR, 2DIR, 1OE\, and 2OE\) inputs are supplied by V_CCA.

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

The V_CC isolation feature ensures that if either V_CC input is at GND, both ports are in the high-impedance state.

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.

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5개 모두 보기

상위 문서	유형	직함	형식 옵션
*	데이터 시트	SN74AVC20T245 20-Bit Dual-Supply Bus Transceiver datasheet (Rev. F)		2005. 4. 19
	애플리케이션 노트	Schematic Checklist - A Guide to Designing With Fixed or Direction Control Translators	PDF \| HTML	2024. 10. 2
	애플리케이션 노트	Schematic Checklist - A Guide to Designing with Auto-Bidirectional Translators	PDF \| HTML	2024. 7. 12
	애플리케이션 노트	Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A)	PDF \| HTML	2024. 7. 3
	선택 가이드	Voltage Translation Buying Guide (Rev. A)		2021. 4. 15