SN74LS112A

Name: SN74LS112A
Brand: TI
SKU: SN74LS112A
Price: 0.202 USD

現行

具有清除和預設功能的二路 J-K 負緣觸發正反器

立即訂購

產品規格表

document-pdfAcrobat Dual J-K Negative-Edge-Triggered Flip-Flops With Preset And Clear datasheet (英文)

SN74LS112A

現行

產品規格表

立即訂購

產品詳細資料

Number of channels

2

Technology family

LS

Supply voltage (min) (V)

4.75

Supply voltage (max) (V)

5.25

Input type

TTL

Output type

Push-Pull

Clock frequency (MHz)

30

Supply current (max) (µA)

6000

IOL (max) (mA)

8

IOH (max) (mA)

-0.4

Features

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

Operating temperature range (°C)

0 to 70

Rating

Catalog

Number of channels

2

Technology family

LS

Supply voltage (min) (V)

4.75

Supply voltage (max) (V)

5.25

Input type

TTL

Output type

Push-Pull

Clock frequency (MHz)

30

Supply current (max) (µA)

6000

IOL (max) (mA)

8

IOH (max) (mA)

-0.4

Features

Clear, High speed (tpd 10-50ns), Negative 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

Fully Buffered to Offer Maximum Isolation from External Disturbance
Package Options Include Plastic “Small Outline" Packages, Ceramic Chip Carriers and Flat Packages, and Plastic and Ceramic DIPs
Dependable Texas Instruments Quality and Reliability

Fully Buffered to Offer Maximum Isolation from External Disturbance
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 J-K negative-edge-triggered flip-flops. A low level at the preset and 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 J and K inputs meeting the setup time requirements are transferred to the outputs on the negative-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 J and K inputs may be changed without affecting the levels at the outputs. These versatile flip-flops can perform as toggle flip-flops by tying J and K high.

The SN54LS112A and SN54S112 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74LS112A and SN74S112A are characterized for operation from 0°C to 70°C.

These devices contain two independent J-K negative-edge-triggered flip-flops. A low level at the preset and 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 J and K inputs meeting the setup time requirements are transferred to the outputs on the negative-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 J and K inputs may be changed without affecting the levels at the outputs. These versatile flip-flops can perform as toggle flip-flops by tying J and K high.

The SN54LS112A and SN54S112 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74LS112A and SN74S112A are characterized for operation from 0°C to 70°C.

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