SN54AHCT74

Name: SN54AHCT74
Brand: TI
SKU: SN54AHCT74
Price: 19.36 USD

現行

具有清除和預設功能的二路正緣觸發 D 型正反器

立即訂購

產品規格表

document-pdfAcrobat SNxAHCT74 Dual Positive-Edge-Triggered D-Type Flip-Flops With Clear And Preset datasheet (Rev. R) (英文) PDF | HTML

SN54AHCT74

現行

產品規格表

立即訂購

產品詳細資料

Number of channels

2

Technology family

AHCT

Supply voltage (min) (V)

4.5

Supply voltage (max) (V)

5.5

Input type

TTL-Compatible CMOS

Output type

Push-Pull

Clock frequency (max) (MHz)

70

IOL (max) (mA)

8

IOH (max) (mA)

-8

Supply current (max) (µA)

20

Features

Balanced outputs, Very high speed (tpd 5-10ns)

Operating temperature range (°C)

-55 to 125

Rating

Military

Number of channels

2

Technology family

AHCT

Supply voltage (min) (V)

4.5

Supply voltage (max) (V)

5.5

Input type

TTL-Compatible CMOS

Output type

Push-Pull

Clock frequency (max) (MHz)

70

IOL (max) (mA)

8

IOH (max) (mA)

-8

Supply current (max) (µA)

20

Features

Balanced outputs, Very high speed (tpd 5-10ns)

Operating temperature range (°C)

-55 to 125

Rating

Military

CDIP (J)

14

130.4652 mm² 19.56 x 6.67

CFP (W)

14

58.023 mm² 9.21 x 6.3

LCCC (FK)

20

79.0321 mm² 8.89 x 8.89

Operating range of 4.5 V to 5.5 V
Low power consumption, 10-µA maximum I CC
±8-mA output drive at 5 V
Inputs are TTL-voltage compatible
Latch-up performance exceeds 250 mA per JESD 17

Operating range of 4.5 V to 5.5 V
Low power consumption, 10-µA maximum I CC
±8-mA output drive at 5 V
Inputs are TTL-voltage compatible
Latch-up performance exceeds 250 mA per JESD 17

The ’AHCT74 dual positive-edge-triggered devices are D-type flip-flops.

A low level at the preset ( PRE) or clear ( CLR) inputs sets or resets the outputs, regardless of the levels of the other inputs. When PRE and CLR are inactive (high), data at the data (D) input meeting the setup time requirements is transferred to the outputs on the positive-going edge of the clock pulse. Clock triggering occurs at a voltage level and is not directly related to the rise time of the clock pulse. Following the hold-time interval, data at the D input can be changed without affecting the levels at the outputs.

The ’AHCT74 dual positive-edge-triggered devices are D-type flip-flops.

A low level at the preset ( PRE) or clear ( CLR) inputs sets or resets the outputs, regardless of the levels of the other inputs. When PRE and CLR are inactive (high), data at the data (D) input meeting the setup time requirements is transferred to the outputs on the positive-going edge of the clock pulse. Clock triggering occurs at a voltage level and is not directly related to the rise time of the clock pulse. Following the hold-time interval, data at the D input can be changed without affecting the levels at the outputs.

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