SN74S74

現行

具有預設和清除功能的雙路 D 型正緣觸發正反器

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產品規格表

document-pdfAcrobat Dual D-Type Positive-Edge -Triggered Flip-Flops With Preset And Clear datasheet (英文)

SN74S74

現行

產品規格表

立即訂購

產品詳細資料

Number of channels

2

Technology family

S

Supply voltage (min) (V)

4.75

Supply voltage (max) (V)

5.25

Input type

Bipolar

Output type

Push-Pull

Clock frequency (max) (MHz)

50

IOL (max) (mA)

20

IOH (max) (mA)

-1

Supply current (max) (µA)

25000

Features

High speed (tpd 10-50ns)

Operating temperature range (°C)

0 to 70

Rating

Catalog

Number of channels

2

Technology family

S

Supply voltage (min) (V)

4.75

Supply voltage (max) (V)

5.25

Input type

Bipolar

Output type

Push-Pull

Clock frequency (max) (MHz)

50

IOL (max) (mA)

20

IOH (max) (mA)

-1

Supply current (max) (µA)

25000

Features

High speed (tpd 10-50ns)

Operating temperature range (°C)

0 to 70

Rating

Catalog

PDIP (N)

14

181.42 mm² 19.3 x 9.4

SOIC (D)

14

51.9 mm² 8.65 x 6

Package Options Include Plastic “Small Outline" Packages, Ceramic Chip Carriers and Flat Packages, and Plastic and Ceramic DIPs
Dependable Texas Instruments Quality and Reliability

Package Options Include Plastic “Small Outline" Packages, Ceramic Chip Carriers and Flat Packages, and Plastic and Ceramic DIPs
Dependable Texas Instruments Quality and Reliability

These devices contain two independent D-type positive-edge-triggered flip-flops. A low level at the preset or clear inputs sets or resets the outputs regardless of the levels of the other inputs. When preset and clear are inactive (high), data at the D input meeting the setup time requirements are 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 may be changed without affecting the levels at the outputs.

The SN54' family is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74' family is characterized for operation from 0°C to 70°C.

These devices contain two independent D-type positive-edge-triggered flip-flops. A low level at the preset or clear inputs sets or resets the outputs regardless of the levels of the other inputs. When preset and clear are inactive (high), data at the D input meeting the setup time requirements are 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 may be changed without affecting the levels at the outputs.

The SN54' family is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74' family is characterized for operation from 0°C to 70°C.

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