SN74ALVCH244

활성

버스 홀드 및 3상 출력을 지원하는 8채널, 1.65V~3.6V 버퍼

지금 주문하기

데이터 시트

document-pdfAcrobat SN74ALVCH244 datasheet (Rev. F) (영어)

SN74ALVCH244

활성

지금 주문하기

제품 상세 정보

Technology family

ALVC

Number of channels

8

IOL (max) (mA)

24

Supply current (max) (µA)

10

IOH (max) (mA)

-24

Input type

Standard CMOS

Output type

3-State

Features

Balanced outputs, Bus-hold, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns)

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Technology family

ALVC

Number of channels

8

IOL (max) (mA)

24

Supply current (max) (µA)

10

IOH (max) (mA)

-24

Input type

Standard CMOS

Output type

3-State

Features

Balanced outputs, Bus-hold, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns)

Rating

Catalog

Operating temperature range (°C)

-40 to 85

SOIC (DW)

20

131.84 mm² (12.8 mm × 10.3 mm)

TSSOP (PW)

20

41.6 mm² (6.5 mm × 6.4 mm)

TVSOP (DGV)

20

32 mm² (5 mm × 6.4 mm)

Operates From 1.65 V to 3.6 V
Max t_pd of 2.8 ns at 3.3 V
±24-mA Output Drive at 3.3 V
Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)

Operates From 1.65 V to 3.6 V
Max t_pd of 2.8 ns at 3.3 V
±24-mA Output Drive at 3.3 V
Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)

This octal buffer/line driver is designed for 1.65-V to 3.6-V V_CC operation.

The SN74ALVCH244 is organized as two 4-bit line drivers with separate output-enable (OE)\ inputs. When OE\ is low, the device passes data from the A inputs to the Y outputs. When OE\ is high, 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 V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.

This octal buffer/line driver is designed for 1.65-V to 3.6-V V_CC operation.

The SN74ALVCH244 is organized as two 4-bit line drivers with separate output-enable (OE)\ inputs. When OE\ is low, the device passes data from the A inputs to the Y outputs. When OE\ is high, 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 V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.

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대안 비교

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CD74AC244

활성

3상 출력을 지원하는 8채널, 1.5V~5.5V 버퍼 Voltage range 2V to 6V, average propagation delay 7ns, average drive strength 24mA

SN74AC244

활성

3상태 출력을 지원하는 8채널, 2V~6V 버퍼 Voltage range 2V to 6V, average propagation delay 7ns, average drive strength 24mA

기술 자료

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2개 모두 보기

상위 문서	유형	직함	형식 옵션	최신 영어 버전 다운로드		날짜
*	데이터 시트	SN74ALVCH244 datasheet (Rev. F)			2004. 8. 20
	애플리케이션 노트	An Overview of Bus-Hold Circuit and the Applications (Rev. B)			2018. 9. 17