SN74AS109A

Name: SN74AS109A
Brand: TI
SKU: SN74AS109A
Price: 1.141 USD

アクティブ

クリアとプリセット搭載、デュアル、J-K、ポジティブ・エッジ・トリガ・フリップ・フロップ

ご注文はこちら

データシート

document-pdfAcrobat Dual J-K Positive-Edge-Triggered Flip-Flops With Clear And Preset データシート (Rev. B) (英語)

SN74AS109A

アクティブ

データシート

ご注文はこちら

製品詳細

Number of channels

2

Technology family

AS

Supply voltage (min) (V)

4.5

Supply voltage (max) (V)

5.5

Input type

Bipolar

Output type

Push-Pull

Clock frequency (MHz)

105

Supply current (max) (µA)

17000

IOL (max) (mA)

8

IOH (max) (mA)

-0.4

Features

Clear, High speed (tpd 10-50ns), Positive edge triggered, Preset

Operating temperature range (°C)

0 to 70

Rating

Catalog

Number of channels

2

Technology family

AS

Supply voltage (min) (V)

4.5

Supply voltage (max) (V)

5.5

Input type

Bipolar

Output type

Push-Pull

Clock frequency (MHz)

105

Supply current (max) (µA)

17000

IOL (max) (mA)

8

IOH (max) (mA)

-0.4

Features

Clear, High speed (tpd 10-50ns), Positive edge triggered, Preset

Operating temperature range (°C)

0 to 70

Rating

Catalog

PDIP (N)

16

181.42 mm² 19.3 x 9.4

SOIC (D)

16

59.4 mm² 9.9 x 6

SOP (NS)

16

79.56 mm² 10.2 x 7.8

Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

These devices contain two independent J-K\ 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 and are inactive (high), data at the J and K\ inputs meeting the setup-time requirements are transferred to the outputs on the positive-going edge of the clock (CLK) 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 J and K\ inputs can be changed without affecting the levels at the outputs. These versatile flip-flops can perform as toggle flip-flops by grounding K\ and tying J high. They also can perform as D-type flip-flops if J and K\ are tied together.

The SN54ALS109A and SN54AS109A are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS109A and SN74AS109A are characterized for operation from 0°C to 70°C.

These devices contain two independent J-K\ 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 and are inactive (high), data at the J and K\ inputs meeting the setup-time requirements are transferred to the outputs on the positive-going edge of the clock (CLK) 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 J and K\ inputs can be changed without affecting the levels at the outputs. These versatile flip-flops can perform as toggle flip-flops by grounding K\ and tying J high. They also can perform as D-type flip-flops if J and K\ are tied together.

The SN54ALS109A and SN54AS109A are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS109A and SN74AS109A are characterized for operation from 0°C to 70°C.

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