CD74FCT244AT

활성

TTL 호환 CMOS 입력 및 3상 출력을 지원하는 8채널, 4.75V~5.25V 버퍼

제품 상세 정보

Technology family FCT Supply voltage (min) (V) 4.75 Supply voltage (max) (V) 5.25 Number of channels 8 IOL (max) (mA) 64 Supply current (max) (µA) 80 IOH (max) (mA) -15 Input type TTL-Compatible CMOS Output type 3-State Features Over-voltage tolerant inputs, Very high speed (tpd 5-10ns) Rating Catalog Operating temperature range (°C) 0 to 70
Technology family FCT Supply voltage (min) (V) 4.75 Supply voltage (max) (V) 5.25 Number of channels 8 IOL (max) (mA) 64 Supply current (max) (µA) 80 IOH (max) (mA) -15 Input type TTL-Compatible CMOS Output type 3-State Features Over-voltage tolerant inputs, Very high speed (tpd 5-10ns) Rating Catalog Operating temperature range (°C) 0 to 70
PDIP (N) 20 228.702 mm² 24.33 x 9.4 SOIC (DW) 20 131.84 mm² 12.8 x 10.3
  • BiCMOS Technology With Low Quiescent Power
  • Buffered Inputs
  • Noninverted Outputs
  • Input/Output Isolation From VCC
  • Controlled Output Edge Rates
  • 64-mA Output Sink Current
  • Output Voltage Swing Limited to 3.7 V
  • SCR Latch-Up-Resistant BiCMOS Process and Circuit Design
  • BiCMOS Technology With Low Quiescent Power
  • Buffered Inputs
  • Noninverted Outputs
  • Input/Output Isolation From VCC
  • Controlled Output Edge Rates
  • 64-mA Output Sink Current
  • Output Voltage Swing Limited to 3.7 V
  • SCR Latch-Up-Resistant BiCMOS Process and Circuit Design

The CD74FCT244 and CD74FCT244AT are octal buffer/line drivers with 3-state outputs using a small-geometry BiCMOS technology. The output stages are a combination of bipolar and CMOS transistors that limit the output high level to two diode drops below VCC. This resultant lowering of output swing (0 V to 3.7 V) reduces the power-bus ringing [a source of electromagnetic interference (EMI)] and minimizes VCC bounce and ground bounce and their effects during simultaneous output switching. The output configuration also enhances switching speed and is capable of sinking 64 mA.

These devices are organized as two 4-bit buffers/line drivers with separate active-low 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 VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

The CD74FCT244 and CD74FCT244AT are octal buffer/line drivers with 3-state outputs using a small-geometry BiCMOS technology. The output stages are a combination of bipolar and CMOS transistors that limit the output high level to two diode drops below VCC. This resultant lowering of output swing (0 V to 3.7 V) reduces the power-bus ringing [a source of electromagnetic interference (EMI)] and minimizes VCC bounce and ground bounce and their effects during simultaneous output switching. The output configuration also enhances switching speed and is capable of sinking 64 mA.

These devices are organized as two 4-bit buffers/line drivers with separate active-low 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 VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

다운로드

관심 가지실만한 유사 제품

open-in-new 대안 비교
비교 대상 장치보다 업그레이드된 기능을 지원하는 드롭인 대체품
SN74AHCT244 활성 TTL 호환 CMOS 입력을 지원하는 8채널, 4.5V~5.5V 버퍼 Larger voltage range (2V to 5.5V)

기술 자료

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유형 직함 날짜
* Data sheet BiCMOS Octal Buffers/Line Drivers With 3-State Outputs datasheet (Rev. B) 2002/07/25

주문 및 품질

포함된 정보:
  • RoHS
  • REACH
  • 디바이스 마킹
  • 납 마감/볼 재질
  • MSL 등급/피크 리플로우
  • MTBF/FIT 예측
  • 물질 성분
  • 인증 요약
  • 지속적인 신뢰성 모니터링
포함된 정보:
  • 팹 위치
  • 조립 위치

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