SN54LS173A View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

MFG CO.

SN54LS173A

4-BIT D-TYPE REGISTER WITH 3-STATE OUTPUTS LOW POWER SCHOTTKY

Motorola => Freescale 

SN54 / 74LS173A

CP

D or E

Q

AC WAVEFORMS

1.3 V

ts(H)

1.3 V

1 / fmax

tW

ts(L)

th(H)

1.3 V

th(L)

1.3 V

tPLH

1.3 V

Figure 1

tPHL

1.3 V

MR

CP

Q

tW

trec

1.3 V

tPHL

1.3 V

Figure 2

VE

VOUT

1.3 V

tPLZ

Figure 3

1.3 V

tPZL

1.3 V

0.5 V

VOL

VE

VOUT

1.3 V

tPZH

1.3 V

tPHZ

1.3 V

≥ VOH

≈ 1.3 V

0.5 V

Figure 4

TO OUTPUT

UNDER TEST

AC LOAD CIRCUIT

VCC

RL

SW1

5 kΩ

CL*

SW2

SWITCH POSITIONS

SYMBOL

SW1

SW2

tPZH

tPZL

tPLZ

tPHZ

Open

Closed

Closed

Closed

Closed

Open

Closed

Closed

* Includes Jig and Probe Capacitance.

Figure 5

FAST AND LS TTL DATA

5-319

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