MC74HCT595ADG Datasheet, PDF(7/11 Page) ON Semiconductor – 8-Bit Serial-Input/Serial or Parallel-Output Shift Register with Latched 3-State Outputs and LSTTL Compatible Inputs

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MC74HCT595ADG Datasheet, PDF (7/11 Pages) ON Semiconductor – 8-Bit Serial-Input/Serial or Parallel-Output Shift Register with Latched 3-State Outputs and LSTTL Compatible Inputs

◁

SHIFT

CLOCK

(VI)

OUTPUT

SQH

90%

10%

90%

50%

10%

1/fmax

tPLH

tTLH

tPHL

tTHL

Figure 1.

LATCH

CLOCK

(VI)

QA-QH

90%

50%

OUTPUTS 10%

tPLH tPHL

tTLH

tTHL

Figure 3.

SERIAL

INPUT A

(VI)

SWITCH

CLOCK

(VI)

VALID

tsu

Figure 5.

MC74HCT595A

SWITCHING WAVEFORMS

(VI = 0 to 3 V, VM = 1.3 V)

VCC

GND

VCC

GND

RESET

(VI)

OUTPUT

SQH

SHIFT

CLOCK

(VI)

OUTPUT

ENABLE

OUTPUT Q

tPHL

50%

trec

VCC

GND

VCC

GND

Figure 2.

50%

tPZL

tPLZ

50%

tPZH

tPHZ

50%

Figure 4.

VCC

GND

HIGH

IMPEDANCE

10% VOL

90% VOH

HIGH

IMPEDANCE

SHIFT

VCC

CLOCK

VCC

(VI)

GND

tsu

LATCH

VCC

CLOCK

(VI)

GND

Figure 6.

DEVICE

UNDER

TEST

TEST POINT

OUTPUT

CL*

*Includes all probe and jig capacitance

Figure 7.

TEST CIRCUITS

DEVICE

UNDER

TEST

TEST POINT

OUTPUT

1 kW

CL*

CONNECT TO VCC WHEN

TESTING tPLZ AND tPZL.

CONNECT TO GND WHEN

TESTING tPHZ AND tPZH.

*Includes all probe and jig capacitance

Figure 8.

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