HCF4054BEY STMicroelectronics, HCF4054BEY Datasheet - Page 2

• Manufacturer Part Number: HCF4054BEY
• Description: IC LCD DRIVER 4SEG W/LATCH 16DIP
• Manufacturer: STMicroelectronics

Specifications of HCF4054BEY

• Display Type: LCD
• Configuration: 4 Segment
• Voltage - Supply: 3 V ~ 20 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Interface: -
• Digits Or Characters: -

HCF4054B
can be converted to output signal swings (V
V
permits the use of different input and output signal
swings. The input swings from a low level of V
to a high level of V
from a low level of V
V
IINPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X = Don’t Care.
(*) Depends upon the input mode previously applied when ST=1.
2/11
EE
DD
) of +5V to -5V. The level shifted function
. Thus, the input and output swings can be
DF
H
H
X
L
L
DD,
EE
to the same high level of
while the outputs swings
IN
H
H
L
L
X
DD
SS
to
selected independently of each other over a 3 to
18V range. V
no level-shift function is required. Data is
transferred from input to output by placing a high
voltage level at the strobe input. A low voltage
level at the strobe input latches the data input and
the
selected (or non selected) while the strobe is low.
PIN DESCRIPTION
9, 11, 13, 15
10, 12, 14, 1
6, 5, 4, 3
PIN No
16
corresponding output segments
2
7
8
STROBE
H
H
H
H
L
SS
STROBE1
STROBE4
IN1 to IN4
FREQ. IN
SYMBOL
DISPLAY
OUT1 to
OUT4
may be connected to V
V
V
V
EE
SS
DD
Outputs
Inputs
Strobe Input
Display Frequency Input
Negative Supply Voltage
Negative Supply Voltage
Positive Supply Voltage
NAME AND FUNCTION
OUT
H
H
L
L
*
EE
remain
when