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HD64F2328VTE25 , Old Company Name in Catalogs and Other Documents
HD64F2328VTE25 , Old Company Name in Catalogs and Other Documents
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HD64F3334YF16 , Old Company Name in Catalogs and Other Documents
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HCF4054BM1-HCF4054M013TR
LIQUID-CRYSTAL DISPLAY DRIVERS
1/11September 2002 QUIESCENT CURRENT SPECIF. UP TO 20V OPERATION OF LIQUID CRYSTALS WITH
CMOS CIRCUITS PROVIDES ULTRA LOW
POWER DISPLAYS EQUIVALENT AC OUTPUT DRIVE FOR
LIQUID CRYSTAL DISPLAYS - NO
EXTERNAL CAPACITOR REQUIRED VOLTAGE DOUBLING ACROSS DISPLAY
[(VDD - VEE ) = 18V] RESULTS IN EFFECTIVE
36V (p-p) DRIVE ACROSS SELECTED
DISPLAY SEGMENTS LOW OR HIGH OUTPUT LEVEL DC DRIVE
FOR OTHER TYPES OF DISPLAYS ONE CHIP LOGIC LEVEL CONVERSION
FOR DIFFERENT INPUT AND OUTPUT
LEVEL SWINGS FULL DECODING OF ALL INPUT
COMBINATIONS : "0 - 9, L, H, P, A" AND
BLANK POSITIONS INPUT LEAKAGE CURRENT I = 100nA (MAX) AT VDD = 18V TA = 25°C 100% TESTED FOR QUIESCENT CURRENT MEETS ALL REQUIREMENTS OF JEDEC
JESD13B "STANDARD SPECIFICATIONS
FOR DESCRIPTION OF B SERIES CMOS
DEVICES"
DESCRIPTIONHCF4054B is a monolithic integrated circuit
fabricated in Metal Oxide Semiconductor
technology available in DIP and SOP packages.
HCF4054B provides level shifting similar to
HCF4055B and HCF4056B, independently
strobed latches, and common DF control on 4
signal lines. This device is intended to provide
drive signal compatibility with HCF4055B and
HCF4056B 7-segment decoder types for the
decimal point, colon, polarity, and similar display
lines. A level-shifted high amplitude DF output can
be obtained from any HCF4054B output line by
connecting the corresponding input and strobe
lines to a low and high levels. HCF4054B may
also be utilized for logic level "up conversion" or
"down conversion" respectively. For example,
input signal swings (VDD to VSS) from +5V to 0V
HCF4054B4 SEGMENT LIQUID CRYSTAL DISPLAY
DRIVER WITH STROBED LATCH FUNCTION
PIN CONNECTION
ORDER CODES
HCF4054B2/11
IINPUT EQUIVALENT CIRCUIT PIN DESCRIPTION
TRUTH TABLE X = Don’t Care.
(*) Depends upon the input mode previously applied when ST=1.
can be converted to output signal swings (VDD toEE ) of +5V to -5V. The level shifted function
permits the use of different input and output signal
swings. The input swings from a low level of VSS
to a high level of VDD, while the outputs swings
from a low level of VEE to the same high level of
VDD . Thus, the input and output swings can be
selected independently of each other over a 3 to
18V range. VSS may be connected to VEE when
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 corresponding output segments remain
selected (or non selected) while the strobe is low.
HCF4054B3/11
LOGIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied.
All voltage values are referred to VSS pin voltage.
RECOMMENDED OPERATING CONDITIONS
HCF4054B4/11
DC SPECIFICATIONS The Noise Margin for both "1" and "0" level is: 1V min. with VDD=5V, 2V min. with VDD=10V, 2.5V min. with VDD=15V
DYNAMIC ELECTRICAL CHARACTERISTICS (T amb = 25°C, CL = 50pF, RL = 200KΩ, tr = tf = 20 ns)
(*) Typical temperature coefficient for all VDD value is 0.3 %/°C.
HCF4054B5/11
TYPICAL APPLICATIONSDisplay Driver Circuit.
Display Driver Waveform..
HCF4054B6/11
Digital (0 to +5V) to Bidirectional Analog Control (+5V to -5V) Level Shifter.
Typical 3½ Digit Crystal Display : (VDD = +5V, VSS = 0V, VEE = -10V, DFN = 30Hz Square)
