SN74LS240DB datasheet(9/41 Pages) TI1

9 / 41 page

(see Note B)

VCC

From Output

Under Test

(see Note A)

Test

Point

1 k

Ω

tPHL

tPLH

tPHL

Input

Out-of-Phase

Output

(see Note D)

3 V

0 V

VOL

VOH

VOL

In-Phase

Output

(see Note D)

1.5 V

VCC

Test

Point

From Output

Under Test

(see Note A)

3 V

0 V

Timing

Input

Data

Input

1.5 V

(see Note B)

VCC

From Output

Under Test

(see Note A)

Test

Point

High-Level

Pulse

Low-Level

Pulse

1.5 V

SN54LS240, SN54LS241, SN54LS244, SN54S240, SN54S241, SN54S244

SN74LS240, SN74LS241, SN74LS244, SN74S240, SN74S241, SN74S244

www.ti.com

SDLS144D – APRIL 1985 – REVISED OCTOBER 2016

Product Folder Links: SN54LS240 SN54LS241 SN54LS244 SN54S240 SN54S241 SN54S244 SN74LS240

SN74LS241 SN74LS244 SN74S240 SN74S241 SN74S244

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7.2 SN54S24x and SN74S24x Devices

Figure 9. Load Circuit,

For 2-State Totem-Pole Outputs

Figure 10. Load Circuit,

For Open-Collector Outputs

Figure 11. Load Circuit,

For 3-State Outputs

Figure 12. Voltage Waveforms,

Pulse Durations

Figure 13. Voltage Waveforms,

Setup and Hold Times

Figure 14. Voltage Waveforms,

Propagation Delay Times

SN74LS240DB Datasheet(PDF) 9 Page - Texas Instruments

SN74LS240DB Datasheet(HTML) 9 Page - Texas Instruments

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