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HT6222(24SDIP)

Description
Remote Control Transmitter IC, CMOS, PDIP24
CategoryOther integrated circuit (IC)    Consumption circuit   
File Size153KB,13 Pages
ManufacturerHoltek
Websitehttp://www.holtek.com/
Download Datasheet Parametric Compare View All

HT6222(24SDIP) Overview

Remote Control Transmitter IC, CMOS, PDIP24

HT6222(24SDIP) Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerHoltek
Reach Compliance Codeunknown
Commercial integrated circuit typesREMOTE CONTROL TRANSMITTER IC
JESD-30 codeR-PDIP-T24
JESD-609 codee0
Number of terminals24
Maximum operating temperature70 °C
Minimum operating temperature-20 °C
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Encapsulate equivalent codeDIP24(UNSPEC)
Package shapeRECTANGULAR
Package formIN-LINE
power supply2/3.3 V
Certification statusNot Qualified
surface mountNO
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formTHROUGH-HOLE
Terminal locationDUAL
HT6221/HT6222
Multi-Purpose Encoders
Features
·
·
·
·
·
·
·
Operating voltage: 1.8V~3.5V
DOUT with 38kHz carrier for IR medium
Low standby current
Minimum transmission word: one word
455kHz ceramic resonator or crystal
16-bit address codes
8-bit data codes
·
·
·
·
PPM code method
Three double-active keys
Maximum active keys
-
HT6221: 32 keys
-
HT6222: 64 keys
Low power and high noise immunity
CMOS technology
Applications
·
·
·
·
Television and video cassette recorder con-
trollers
Burglar alarm systems
Smoke and fire alarm systems
Garage door controllers
·
·
·
·
Car door controllers
Car alarm systems
Security systems
Other remote control systems
General Description
The HT6221/HT6222 are CMOS LSI encoders
designed for use in remote control systems. They
are capable of encoding 16-bit address codes and
8-bit data codes. Each address/data input can be
set to one of the two logic states, 0 and 1.
The HT 6 2 2 1/H T622 2 c on tai n 32 k ey s
(K1~K32) and 64 keys (K1~K64), respectively.
When one of the keys is triggered, the pro-
grammed address/data is transmitted together
with the header bits via an IR (38kHz carrier)
transmission medium.
Block Diagram
X 2
X 1
D a ta S e le c t
& B u ffe r
S y n c .
C ir c u it
O s c illa to r
D iv id e r
D O U T
L E D
R 1
R 8
K e y b o a rd
M a tr ix &
G a te
C ir c u it
D a ta R O M
& R e g is te r s
¸
2 4 C o u n te r &
1 o f 2 4 D e c o d e r
B in a r y D e te c to r
C 1
C 8
A IN
D 7
V D D
V S S
1
March 2, 2000

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