.
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Integrated Circuits,  Crystals, Resonators

M-3481 
(8 Christmas songs)
PT-2272-M4
Remote Control Decoder IC 
HT-9200B 
DTMF Encoder 
 (parallel  mode)   
HT-1380  
MCU serial Clock / Calandar 
     38 KHz   Crystal         

INDEX


  Melody ,  Sound effect   &    LED Flasher   ICs

 


Board size : 20 x 11 mm
No. TS-088B   Bird Sound COB (Chip On Board)
 One-shot mode.  DC 3V
 Application : Door bell, visitors chime, etc.,
 
 Schematic (jpg)         
 1.20


  M-66T-68L   "It's A Small World"
  M-66T-19L   "For Alice"    
 Simple Melody ICs  
(64-note ROM,  Vs = 1.3 ~ 3.3V)      
 
 Datasheet  (pdf)           Quantity orders enquiry welcome  (100 pcs up) 

 0.90 

 
(512 note ROM,  Vs = 1.5
~ 5V)  
 Datasheet  (pdf)    

 Multi-instrument Melody IC 
 M-3482
 
 (12 popular melodies)   

 3.20

 M-3481   (8 Christmas songs)   ( limited quantity)  3.50
 


 

 M-8021    "Ding Dong" door chime IC
 
( Vs = 1.35 ~ 5.0V)       
 Datasheet  (pdf)     

 1.10

 M-3561   4-sound effect IC   
 
( Vs = 1.3 ~ 3.3V)    
 Datasheet  (pdf)       

 2.00

 M-34-2H  LED flasher IC   (No external parts required)
 
( Vs = 1.35 ~ 3.3V, Output current : 25 mA)    Flashing rate : 2 blinks / sec. 1/8 On/Off ratio.  Drives up to 4 common LEDs or 3 super bright LEDs
Datasheet  (pdf)  

 0.75 

 
 

 Remote Control Encoder/Decoder , DTMF Encoder/decoder      

     
 PT-2262   Remote Control Encoder IC 
(8-bit trinary address,  4-bit binary data)
(equivalent part # : SC2262, CS5211)   
 
click here
for price
& details
   PT-2272-L4  Remote Control Decoder IC   (L = latched outputs)
(8-bit trinary address,  4-bit binary data)
(equivalent part # : SC2272L4, CS5212) 
click here
for price
& details
   PT-2272-M4  Remote Control Decoder IC   (M = Momentary outputs)
(8-bit trinary address,  4-bit binary data)
(equivalent part # : SC2272M4) 
click here
for price
& details
 BISS0001    Micro Power Passive InfraRed  (PIR) Motion Detector IC:  #
A complete single chip PIR motion detector IC with built-in CMOS op-amp, comparators and control logic.  
 
click here
for price
& details
 HT-9200A  DTMF Encoder   (Serial  mode)
(Serial mode, to be used with microcontroller)    
(Subroutine for interfacing with PIC 16F84 MCU)
click here
for price
& details
 HT-9200B  DTMF Encoder   (parallel  mode)   click here
for price
& details
 CM8870   DTMF Decoder,   (Parallel  mode)    click here
for price
& details 
Crystals  and  resonators`




 

 4 MHz       3-terminal Ceramic resonator    (for PIC MCUs)  2.00

 455 KHz     2-terminal Ceramic resonator  

 2.00
 3.58 MHz   2-terminal Ceramic resonator   2.00
   
 32.768 KHz   crystal (3*8 mm)       (watch crystal)    2.20
 40 KHz         crystal (3*8 mm)        (for Ultrasonic projects)   3.50  
 38 KHz        crystal (3*8 mm)   (for BA1404 FM stereo transmitter projects)  3.80
 3.579 MHz    crystal      2.70
 8  MHz           crystal      2.80
 10  MHz        crystal     3.20
11.059 MHz  crystal      3.00
12 MHz            crystal  (for 8051 MCUs)  2.50
20 MHz          crystal    2.50
   

Timer  IC,  Op-Amp,  Audio power amp

 
8 pin DIP  NE555   Timer   0.80
14 pin DIP  NE556   (2 x 555 Timer)    1.50
8 pin DIP  uPD5555  (part #  D5555C)  NEC  ( CMOS Low Power NE555 Timer) 
 
datasheet       (equivalent to : ICL7555,  TS555CN)
  3.20
8 pin DIP  NE567   PLL Tone Decoder   

 click here
 for price

8 pin DIP  UA741  Single Op Amp      1.10
14 pin DIP  LM348  4  x  UA741 Op Amps     4.00
8 pin DIP  TL072   x (FET input) Op Amp    1.50
14 pin DIP  TL084  4  x (FET input) Op Amp    1.80
8 pin DIP  MC1458  Dual Op Amp    1.90
8 pin DIP  LM358    2 x Op Amp (single supply)  TTL compatible   1.10
14 pin DIP  LM324    4 x Op Amp (single supply)  TTL compatible   1.20
8 pin DIP  LM393    2 x comparators   1.30
14 pin DIP  LM339    4 x comparators   1.30
 

AUDIO ICs

 
8 pin DIP  TBA820     Audio Power amp   1.50
8 pin DIP  LM386N     Audio Power amp   1.60
   HA13118    2 x 18W/channel BTL Audio Power amp     datasheet   7.50
   LA4445   5.50
   STK-401-040   20.00  
   

Voltage Regulators  & Switching power ICs

    HT-7550-1  Micro Power +5V  (+/- 3 %)  100 mA Voltage Regulator. 
Max input :
24V    Standby current : 3.5uA
 Brief specs (jpg)      Datasheet (pdf)
 1.00
    HT-7533-1  Micro Power +3.3V  (+/- 3 %)  100 mA Voltage Regulator. 
Max input :
24V    Standby current : 3.5uA
 Brief specs (jpg)      Datasheet (pdf)
 1.00
   TL431  Programmable Precision Voltage reference / shunt reg.  (2.5 ~ 36V)
block diagram & pin-out (jpg)      Datasheet (pdf)
 0.90
   TL494     1.65
   SG3524  4.00
   SG3525  ***
   LM2576T-ADJ  9.00
1.5A  LM317T   Adjustable Positive Voltage regulator IC (1.5 A)  2.20
 LM337T   Adjustable Negative Voltage regulator IC (1.5 A)  3.60
100 mA (+V)   78L05   --  RM 1.00           78L06    -- RM 1.00         78L08   --  RM 1.00
  78L09   --  RM 1.00          78L12     -- RM 1.00        78L15     -- RM 1.00
  78L24   --  RM 1.00  
  Note : 78L05  = + 5V ,   78L24  = +24V  etc., . . . . .
 
1A (+V)   7812   -- RM 1.20            7805     --  RM 1.20          7809   -- RM 1.20
  7815   -- RM 1.20            7818     --  RM 1.20          7824   -- RM 1.20
         Note : 7805  = + 5V,    7824  = +24V  etc., . . . . .
 
100 mA  (-V)   79L05   -5V Voltage regulator IC (100mA)  1.20
  79L09   -9V Voltage regulator IC (100mA)  1.20
  79L12  -12V Voltage regulator IC (100mA)  1.20
1A (-V)   7905   -- RM 1.35          7909  --  RM 1.35          7912   -- RM 1.35
  7915   -- RM 1.35         7918   -- RM 1.35          7924   -- RM 1.35
        Note :  7905  = -  5V,    7924  = - 24V  etc., . . . . .
 

SPECIAL FUNCTION & MCU related  ICs

     Microchip Micro-controllers  
20pin DIP     AT89C2051  8-Bit Microcontroller with 2K Bytes Flash ROM  datasheet (229K)     7.30
16pin DIP  MAX232    Dual RS232 Driver/Receiver
datasheet (TI) (118K)    datasheet (MAXIM) (443K)
  4.00
16pin DIP  ULN2003    7 x Darlington drivers   1.60
18pin DIP  ULN2803    8 x Darlington drivers   2.10
   8pin DIP  HT-1380   MCU serial Clock / Calendar with auto days of month & leap years adj.   datasheet    4.25
18pin DIP  TDA7000     FM Radio IC (Philips)    *Limited stock*    datasheet   11.00
40pin DIP  ICL7107    Digital Panel Meter  (LED 7-segment display) datasheet   8.50

block diagram
 LM3914   (Bar / Dot) 10 LEDs Display Driver (Linear scale)    5.50
 LM3915   (Bar / Dot) 10 LEDs Display Driver (Logarithmic scale)    5.50

CMOS Logic

 MC14553   3-Digit Counter / Latch    datasheet 7.50
  CD4543  BCD to 7-segment decoder   datasheet  2.00
 4001    4 x 2-input NOR gates  1.20
 4011    4 x 2-input NAND gates  1.20
 4025     3 x 3-input NOR gates  1.50
 4023     3 x 3-input NAND gates  1.50
 4069    6 x inverters  1.00
 4013    2 x D-flip flop  1.20
 4027     2 x JK Flip Flop  1.50
   4093   CMOS  4 x Schmidt trigger NAND gates  1.55
 4017    Decade counter with 1-0f-10 output  1.30
 4047    Low Power Monostable/astable multivibrator  1.90
 4060    14-stage ripple counter with osc  1.85
 4518    2 x BCD counters  2.40
 4046   CMOS Phase-lock-loop (PLL)  2.20
 4052   CMOS  Dual 1-of 4 Analog Multiplxer/De-multiplexer   1.60

Opto Couplers

 PC817         LED / Transistor   Datasheet (pdf)      in High density 4 pin DIP   1.20
 PC123 (SO)   LED / Transistor   Datasheet (pdf)  1.20

6 pin DIP  
 MCT2E        LED / Transistor  (H11A1 = MCT2E)       Datasheet (pdf)  1.80
 4N25           LED / Transistor     Datasheet (pdf)  1.30
 4N33           LED / Transistor     Datasheet (pdf)  1.30
 MOC3021    LED / DIAC          Datasheet (pdf)  2.60
 MOC3041    LED / DIAC with zero crossing detector   Datasheet (pdf)     4.20
    How to use Opto Couplers  


          Microcontrollers  

     

& other MCU related ICs

PIC Part No. Program ROM
(bytes)
Package RAM
(bytes)
Data
EEPROM
(bytes)

Unit Price (RM)

        HT-1380

Serial Time keeper IC DIP-8 Similar to DALLAS DS1302   Price
         MAX232 Dual RS232 Driver/Receiver DIP-16   Price

  PIC 12C508A-04/P 

OTP, 512 bytes DIP-8

25

--

    5.50  
  PIC 12F629-I/P      Flash, 1K  DIP-8

64

128   7.00
  PIC 16C54A-04/P       OTP, 512 bytes  DIP-18 25 --   6.30
  PIC 16C54A-04/SO  OTP, 512 bytes SMD 25 --   6.20
  PIC 16F84A-04/P     Flash, 1K   DIP-18 68  64 12.00
  PIC 16F628A-04/P  Flash, 2K  DIP-18 224 128 11.50
  PIC 16F873A-I/SP Flash, 4K  DIP-28
(Skinny DIP)
192 128 22.00
  PIC 16F876A-I/SP Flash, 8K  DIP-28
(Skinny DIP)
368 256 22.00
  PIC 16F877A-I/P       Flash, 8K  DIP-40 368 256 22.00
           
  AT89C51-24PI  Flash, 4K  DIP-40 128 * 11.50
  AT89C52-24PI  Flash, 8K  DIP-40 256 * 12.50
  AT89C2051      datasheet (229K) Flash, 2K  DIP-20 128 * 7.30