74LV595 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

74LV595

8-bit serial-in/serial or parallel-out shift register with output latches (3-State)

Philips Electronics 

Philips Semiconductors

8-bit serial-in/serial or parallel-out shift register

with output latches (3-State)

Product specification

74LV595

AC WAVEFORMS (Continued)

VM = 1.5V at VCC w 2.7V

VM = 0.5 * VCC at VCC t 2.7V

VOL and VOH are the typical output voltage drop that occur with the

output load.

VX = VOL + 0.3V at VCC ≥ 2.7V

VX = VOL + 0.1VCC at VCC < 2.7V

VY = VOH – 0.3V at VCCw 2.7V

VY = VOH – 0.1VCC at VCC < 2.7V

VI

MR INPUT

GND

VI

SHCP INPUT

GND

VOH

Q7’ OUTPUT

VOL

VM

tW

trem

tPHL

VM

VM

TEST CIRCUIT

PULSE

GENERATOR

VI

RT

VCC

D.U.T.

S1

2 * VCC

Open

GND

VO

RL = 1k

50pF

CL

RL = 1k

Test Circuit for switching times

DEFINITIONS

RL = Load resistor

CL = Load capacitance includes jig and probe capacitance

RT = Termination resistance should be equal to ZOUT of pulse generators.

SWITCH POSITION

TEST

S1

VCC

VI

tPLH/tPHL

Open

< 2.7V

VCC

tPLZ/tPZL

tPHZ/tPZH

2 < VCC

GND

2.7–3.6V

2.7V

SV00895

Figure 6. Load circuitry for switching times.

SV00728

Figure 5. Master reset (MR) pulse width, the master reset to

output (Q7’) propagation delay and the master reset to shift

clock (SHCP) removal time.

1998 Apr 20

10

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