Philips 74HC4050U, 74HC4050N, 74HC4050DB, 74HC4050D Datasheet

DATA SH EET

Product specification
File under Integrated Circuits, IC06

December 1990

INTEGRATED CIRCUITS

74HC4050

Hex high-to-low level shifter

For a complete data sheet, please also download:

•The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications

•The IC06 74HC/HCT/HCU/HCMOS Logic Package Information

•The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines

December 1990 2

Philips Semiconductors Product specification

Hex high-to-low level shifter 74HC4050

FEATURES

• Output capability: standard

• ICC category: SSI

GENERAL DESCRIPTION

The 74HC4050 is a high-speed Si-gate CMOS device and
is pin compatible with the “4050” of the “4000B” series. It
is specified in compliance with JEDEC standard no. 7A.

The 74HC4050 provides six non-inverting buffers with a
modified input protection structure, which has no diode
connected to V

CC

. Input voltages of up to 15 V may

therefore be used. This feature enables the non-inverting
buffers to be used as logic level translators, which will
convert high level logic to low level logic, while operating
from a low voltage power supply. For example 15 V logic
(“4000B series”) can be converted down to 2 V logic.

The actual input switch level remains related to the V

CC

and is the same as mentioned in the family characteristics.

APPLICA TIONS

• Converting 15 V logic (“4000B” series) down to 2 V logic.

QUICK REFERENCE DATA

GND = 0 V; T

amb

=25°C; tr=tf= 6 ns

Notes

1. C

PD

is used to determine the dynamic power dissipation (PD in µW):

PD=CPD× V

CC

2

× fi+∑ (CL× V

CC

2

× fo) where:
fi= input frequency in MHz
fo= output frequency in MHz
CL= output load capacitance in pF
VCC= supply voltage in V
∑ (CL× V

CC

2

× fo) = sum of outputs

ORDERING INFORMATION

See

“74HC/HCT/HCU/HCMOS Logic Package Information”

.

SYMBOL PARAMETER CONDITIONS

TYPICAL

UNIT

HC

t

PHL

/ t

PLH

propagation delay nA to nY CL= 15 pF; VCC= 5 V 7 ns

C

I

input capacitance 3.5 pF

C

PD

power dissipation capacitance per buffer note 1 14 pF

December 1990 3

Philips Semiconductors Product specification

Hex high-to-low level shifter 74HC4050

PIN DESCRIPTION

PIN NO. SYMBOL NAME AND FUNCTION

1V

CC

positive supply voltage
2, 4, 6, 10, 12, 15 1Y to 6Y data outputs
3, 5, 7, 9, 11, 14 1A to 6A data inputs
8 GND ground (0 V)
13, 16 n.c. not connected

Fig.1 Pin configuration.

Fig.2 Logic symbol. Fig.3 IEC logic symbol.