logic

74HC595

Full part number: 74HC595D

Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.

01 — Overview

This Toshiba datasheet covers the 74HC595D, a high-speed 8-bit shift register and latch in silicon monolithic CMOS technology. It enables serial-to-parallel conversion with independent clocking for stable parallel outputs during shifts. Key parameters include typical operation speeds up to 55 MHz at 5V, maximum supply current of 4.0 µA at 25°C, balanced propagation delays, and a wide operating voltage range from 2.0 V to 6.0 V. The device features static discharge protection and 3-state outputs suitable for bus connections.

02 — Key specifications

Datasheet parameters

ParameterMinTypMaxConditions
quiescent current — 150 µA 675 µA pins\overline{MR}, SHCP, STCP, \overline{OE}
output current — 35 mA —
supply voltage range 2 V 5 V 6 V
operating temperature -40 °C 25 °C 125 °C
clock frequency 35 MHz 55 MHz — —
power dissipation — — 500 mW SOT109-1; SOT403-1; SOT763-1
input capacitance — 3.5 pF —
propagation delay — 52 ns 160 ns VCC = 2 V
rise time 0 s — 50 µs
output voltage high 1.9 V 2 V — IO = -20 μA; VCC = 2.0 V
output voltage low — — 100 mV IOL = 20 μA; 2.0
03 — Alternatives

Closest matches to 74HC595

74HC164BQ 1.8× lower output current, 1.5× lower quiescent current, 1.3× lower propagation delay
74HC14BQ 5.0× lower quiescent current, 1.4× lower output current, 1.3× lower propagation delay
74HCT165BQ 4.3× lower quiescent current, 1.7× higher operating temperature, 1.4× lower output current
74HCT595BQ 2.1× lower propagation delay, similar input capacitance, similar operating temperature
74LVC245A 8.0× lower propagation delay, 2.0× higher output voltage low, 1.9× lower supply voltage range
74LVC2G14GM 9.3× lower propagation delay, 2.0× lower power dissipation, 1.7× higher operating temperature
NL17SZ125 5.8× lower propagation delay, 3.3× lower power dissipation, 1.4× lower input capacitance
NC7WZ16 9.5× lower propagation delay, 2.8× lower power dissipation, 2.0× lower output voltage low
04 — FAQ

Frequently asked questions

What is the clock frequency of the 74HC595D?

The clock frequency is 55 MHz.

What is the input capacitance of the 74HC595D?

The input capacitance is 3.5 pF.

What is the operating temperature?

The operating temperature is 25 °C.

What is the maximum output current for the 74HC595D?

The output current is 35 mA.

What is the output voltage high when IO = -20 μA and VCC = 2.0 V?

The output voltage high is 2 V.

What is the output voltage low when IOL = 20 μA and VCC = 2.0 V?

The output voltage low is 100 mV.

What is the power dissipation for the 74HC595D in packages SOT109-1, SOT403-1, and SOT763-1?

The power dissipation is 500 mW for packages SOT109-1, SOT403-1, and SOT763-1.

What is the propagation delay when VCC = 2 V?

The propagation delay is 52 ns at VCC = 2 V.

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