216/212 RF Encoder HT16C2T3/HT16E2T3/HT16G2T3 HT16C2T4/HT16E2T4/HT16G2T4 HT12C2T3/HT12E2T3 HT12C2T4/HT12E2T4 Revision: V.1.00 Date: January ���������������� 28, 2011 HT16x2Tx/HT12x2Tx 216/212 RF Encoder Table of Contents Features.......................................................................................................................... 1 Applications.................................................................................................................... 1 General Description....................................................................................................... 1 Naming for Selection Guide.......................................................................................... 2 Block Diagram................................................................................................................ 2 Pin Assignment.............................................................................................................. 3 Pin Description............................................................................................................... 3 Absolute Maximum Ratings.......................................................................................... 4 Functional Description.................................................................................................. 5 Address/Data Waveform................................................................................................ 5 Bit Time (Td)..........................................................................................................................5 Code Word............................................................................................................................6 Operation Flowchart...................................................................................................... 7 Application Circuit......................................................................................................... 7 Package Information...................................................................................................... 8 20-pin SSOP (150mil) Outline Dimensions...........................................................................8 Reel Dimensions...................................................................................................................9 Carrier Tape Dimensions.....................................................................................................10 Rev. 1.00 i January 28, 2011 HT16x2Tx/HT12x2Tx 216/212 RF Encoder Features ●● Operating voltage: 2V ~ 3.6V ●● Low standby current: 1µA (typ.) at VDD=3V ●● Data trigger function ●● Provides 2 compound Data trigger pins ●● Minimum four transmission words ●● Integrated oscillator – no external resistor ●● Positive polarity data codes ●● Integrated complete UHF transmitter ●● Frequency range 300MHz to 450MHz ●● Support ASK/OOK modulation ●● Output power up to 10dBm ●● Minimal external components ●● 20-pin SSOP Applications ●● Burglar alarm systems ●● Smoke and fire alarm systems ●● Personal alarm system ●● Car/Garage door controllers ●● Home/office/car security systems ●● Cordless telephones ●● Other remote control systems General Description The HT16x2Tx/HT12x2Tx are a series of encoders which include a 300M~450MHz ASK transmitter for remote control system applications. These highly integrated devices are true “switchin, antenna-out” monolithic devices. They are capable of encoding information consisting of N address bits and 16- N data bits. Each address/data input can be set to one of two logic states. The programmed addresses/data is transmitted together with the header bits via RF upon receipt of a trigger signal. The capability to select a DATA trigger on the HT16x2Tx/HT12x2Tx further enhances the application flexibility of the 216 series of encoders. The devices offer high performance in the areas of power delivery and operating temperature. In terms of power, the devices are capable of delivering +10 dBm into a 50Ω load. This power level enables a small form factor transmitter such as a key fob transmitter to operate near the maximum limit of transmission regulations. In terms of temperature, the devices can operate from -40°C to 85°C with minor frequency drift. When compared with SAW solutions, wider operation temperatures are obtainable. The also offer exceptional ease of use. It is only necessary to provide a crystal reference frequency source, which has a frequency equal to the RF carrier frequency divided by 32, together with a few additional external components to implement a complete and versatile transmitter. The devices operate using ASK/OOK - Amplitude Shift Keying/On-Off Keyed - UHF receiver types from wide-band super-regenerative radios to narrow-band, high performance superheterodyne receivers. Rev. 1.00 1 January 28, 2011 HT16x2Tx/HT12x2Tx 216/212 RF Encoder Naming for Selection Guide HTxx_x_x_Tx Carrier Frequency 3: 300MHz~365MHz 4: 365MHz~450MHz Bit Time (Td) 2: 1ms Address (Dip switch) No. C: 6 E: 8 G: 10 (not available for HT12xTx) Total Address + Data (Trigger) No. 12: 12 / 20SSOP package 16: 14 / 20SSOP package Block Diagram DOUT OSC2 CREF Oscillator Data Select & Buffer ÷3 Divider A9/D9 OSC1 ÷18 Counter & 1 of 18 Decoder Binary Detector PAOUT Sync. Circuit EN 315M/433MHz ASK Tx A15/D15 18 Transmission Gate Circuit A0/D0 Rev. 1.00 A8/D8 VDD 2 VSS January 28, 2011 HT16x2Tx/HT12x2Tx 216/212 RF Encoder Pin Assignment D2 D2 D1 D1 D0 D0 A3 A3 A2 A2 A1 A1 A0 A0 VDD VDD VSS VSS PAOUT PAOUT D2 D2 D1 D1 D0 D0 A3 A3 A2 A2 A1 A1 A0 A0 VDD VDD VSS VSS PAOUT PAOUT 4-Address 10-Data 4-Address 10-Data 20 1 1 1920 2 1819 32 3 1718 4 1617 54 5 1516 6 1415 76 1314 87 1213 98 1112 109 11 10 HT16A2Tx HT16A2Tx 20SSOP 20SSOP 4-Address 8-Data 4-Address 8-Data 20 1 1 1920 2 1819 32 3 1718 4 1617 54 1516 65 1415 76 1314 87 8 1213 9 1112 109 11 10 HT12A2Tx HT12A2Tx D3 D3 D4 D0 D0 A5 D6 D7 D7 B0 A3 A2 A2 A1 D4 D5 D5 D6 B0 B1 B1 XOUT XOUT XIN XIN DOUT DOUT D3 D3 D4 D0 D0 A5 D6 D7 D7 D8 A3 A2 A2 A1 D4 D5 D5 D6 D8 D9 D9 XOUT XOUT XIN XIN DOUT DOUT A5 A4 A4 A3 A5 A4 A4 A3 A1 A0 A0 VDD VDD VSS VSS PAOUT PAOUT A1 A0 A0 VDD VDD VSS VSS PAOUT PAOUT 6-Address 8-Data 6-Address 8-Data 20 1 1 1920 2 1819 32 3 1718 4 1617 54 5 1516 6 1415 76 1314 87 1213 98 1112 109 11 10 HT16C2Tx HT16C2Tx 20SSOP 20SSOP 6-Address 6-Data 6-Address 6-Data 20 1 1 1920 2 1819 32 3 1718 4 1617 54 1516 65 1415 76 1314 87 8 1213 9 1112 109 11 10 HT12C2Tx HT12C2Tx D1 D1 D2 A6 A6 A5 D4 D5 D5 B0 A3 A2 A2 A1 D2 D3 D3 D4 D4 D5 D5 D6 A3 A2 A2 A1 D6 D7 D7 XOUT XOUT XIN XIN DOUT DOUT A1 A0 A0 VDD VDD VSS XOUT XIN XIN DOUT A6 A6 A5 D2 D3 D3 D4 A5 A4 A4 A3 B0 B1 B1 XOUT D1 D1 D2 VSS PAOUT PAOUT DOUT A5 A4 A4 A3 A1 A0 A0 VDD VDD VSS VSS PAOUT PAOUT 8-Address 4-Data 8-Address 4-Data 20 1 1 1920 2 1819 32 3 1718 4 1617 54 1516 65 1415 76 1314 87 8 1213 9 1112 109 11 10 HT12E2Tx HT12E2Tx 8-Address 6-Data 8-Address 6-Data 20 1 1 1920 2 1819 32 3 1718 4 1617 54 5 1516 6 1415 76 1314 87 1213 98 1112 109 11 10 HT16E2Tx HT16E2Tx 20SSOP 20SSOP A7 A7 D0 A6 A6 A5 D2 D3 D3 D4 A3 A2 A2 A1 D0 D1 D1 D2 D4 D5 D5 XOUT XOUT XIN XIN DOUT A5 A4 A4 A3 A1 A0 A0 VDD VDD VSS VSS PAOUT DOUT PAOUT A7 A7 D0 D0 D1 D1 D2 D2 D3 D3 B0 B0 B1 B1 XOUT XOUT XIN XIN DOUT DOUT 10-Address 4-Data 10-Address 4-Data 20 1 1 1920 2 1819 32 3 1718 4 1617 54 5 1516 6 1415 76 1314 87 1213 98 1112 109 11 10 HT16G2Tx HT16G2Tx 20SSOP 20SSOP A7 A7 A8 A8 A9 A9 D0 D0 D1 D1 D2 D2 D3 D3 XOUT XOUT XIN XIN DOUT DOUT Pin Description Pin Name Type VDD — Positive power supply. VSS — Negative power supply. AX I DIP switch input Internal pull high provided DX I Push button input and transmission enable - active Low Can be externally set to VDD or left open B0 I Compound pin of pin16 and pin19 for HT12x2Tx only Ex. In HT12C2Tx, if B0 is pulled low, that means D5 and D2 are pulled low together. B1 I Compound pin of pin 16 and pin 17 for HT12x2T only DOUT O Encoder data output PAOUT O RF transmit Signal XIN I XOUT O Crystal pin – frequency is RF carrier frequency divided by 32 e.g: for 315MHz RF carrier a 9.84375MHz crystal should be selected Rev. 1.00 Description 3 January 28, 2011 HT16x2Tx/HT12x2Tx 216/212 RF Encoder Absolute Maximum Ratings Logic Supply Voltage ........................................................................................................ 2V to 3.6V Logic Input Voltage ......................................................................................... VSS-0.3V to VDD+0.3V Storage Temperature ................................................................................................... -55°C to 150°C Operating Temperature ................................................................................................. -40°C to 85°C Note: These are stress ratings only. Stresses exceeding the range specified under “Absolute Maximum Ratings” may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. Specifications apply for VDD = 3.0V, Ta = 25°C, Freq X’talOSC = 13.560MHz, EN = VDD. Bold values indicate –20°C to70°C unless otherwise noted. 1kbps data rate 50% duty cycle. RL 50ohm load (matched) Symbol Parameter Test Conditions VDD Conditions Min. Typ. Max. Units VIH “H” Input Voltage — — 0.8VDD — — V VIL “L” Input Voltage — — — — 0.2VDD V RPH Pull-high Resistance 3 — 150 — KΩ Td One bit data width for HT12x2Tx/HT16x2Tx 3 0.9 1.0 1.1 ms I1 Data High Current 3V @ 315MHz, POUT = +10dBm @ 433.92MHz — 13.5 — mA I0 Data Low current 3V @ 315MHz @ 433.92 MHz — 3.0 — DIN disabled current 3V — 1 — µA ISTBY Dx — — mA RF and Crystal — Output power level 3V @315MHz, VDD=3.3V @433.92MHz, VDD=3.3V — 10 — dBm — Harmonic output for 315 MHz 3V @630MHz, 2nd harm. @945MHz, 3rd harm. — -43 -52 — dBc — Harmonic output for 433.92 MHz 3V @867.84MHz, 2nd harm. @1301.76MHz, 3rd harm. — -40 -47 — dBc — Extinction ratio for ASK 10Kbps 3V — 70 — dBc — Occupied Bandwidth 3V @315MHz @433.92MHz — <700 <1000 — kHz — 315 MHz Single Side Band Phase Noise 3V @ 100kHz from Carrier @ 1000kHz from Carrier — -73 -77 — dBc/Hz — 433.92 MHz Single Side Band Phase Noise 3V @ 100kHz from Carrier @ 1000kHz from Carrier — -72 -76 — dBc/Hz — XTLIN, XTLOUT 3V Pin capacitance — 2 — pF — 15 18 — pF — — External Capacitance 3V See application circuit C3, C4 @315MHz @433.92MHz — Output Blanking 3V STDBY transition from LOW to HIGH (=Pilot period) — 12 — bits — ASK to RF Out Response Time 3V Delta between ASK Input Transition from Low to High to RF Output Transition from Low to High — 1 — μs Rev. 1.00 4 January 28, 2011 HT16x2Tx/HT12x2Tx 216/212 RF Encoder Functional Description The devices will execute a 4-word transmission cycle upon receipt of a transmission enable signal, which is a low signal on DX. The transmission cycle will repeat itself as long as the transmission enable, DX is held low. Once the transmission enable returns to a high level, the encoder output completes its final cycle and then stops as shown below. A/Dx < 1 word Encoder DOUT Transmitted Continuously 4 words 4 words An information word consists of 4 periods as illustrated below: 1/3 bit sync. period address code period pilot period (12 bits) data code period Composition of Information Address/Data Waveform Each programmable address/data pin can be externally set to one of the following two logic states as shown below: fOSC "One" "Zero" Td Address/ Data Bit Bit Time (Td) Since the bit time is derived from the crystal frequency, HT16xTx/HT12xTx provides a voltage and temperature invariance bit time. The formulation of the bit time related with crystal selection is shown below: HT16x2T3/HT12x2T3: Td=24/(fcx2500) HT16x2T4/HT12x2T4: Td=168/(fcx12500) Note: fc=crystal/106 Rev. 1.00 5 January 28, 2011 HT16x2Tx/HT12x2Tx 216/212 RF Encoder For example: RF carrier range: 315MHz Td (Crystal = 9.84375MHz) HT16x2T3/HT12x2T3 0.975ms RF carrier range: 433MHz Td (Crystal = 13.56MHz) HT16x2T4/HT12x2T4 0.99ms Code Word A group of code bits is called a code word. A code word consists of one Pilot-code (Synchronous bit) followed by address/ data bits. Refer to the diagram below: HT16C2Tx: Pilot-code A0~A5 D0~D7 11 Pilot-code A0~A7 D0~D5 11 Pilot-code A0~A9 D0~D3 11 HT16E2Tx: HT16G2Tx: HT12C2Tx: Pilot-code A0~A5 D0~D5 Pilot-code A0~A7 D0~D3 HT12E2Tx: Rev. 1.00 6 January 28, 2011 HT16x2Tx/HT12x2Tx 216/212 RF Encoder Operation Flowchart Power on Standby mode No Transmission enabled? YES 4 data words transmitted 1 No 2 Transmission still enabled 3 4 YES 4 data words transmitted continuously Application Circuit 2 U2 LDO HT7136-1 HT12E2TX_UHF TX 3 U1 C8 0.1uF 1 1 SW-DIP 2 SW-DIP 3 SW-DIP 4 SW-DIP 5 SW-DIP 6 SW-DIP 7 SW-DIP 8 VDD S6 S5 BT1(12V) S4 BT2(3V) S3 BATTERY BATTERY S2 S1 S0 R3 9 L1 10 150nH C7 100pF Trace ANT A6 A7 A5 D0 A4 D1 A3 D2 A2 D3 A1 B0 A0 B1 VDD XOUT VSS PAOUT XIN DOUT 20 S7 SW-TACT S8 SW-TACT S9 SW-TACT S10 SW-TACT S11 SW-TACT S12 SW-TACT S13 18 17 16 B1 14 13 X1 12 11 2 R1 1 C1 C2 HT12E2T3 D1 LED C5 C3 SW-DIP 19 C4 C6 Note: 1. When using a 6~12V battery, an HT7136 LDO should be added 2. 315MHz RF uses a 9.84375MHz Crystal 433MHz RF uses a 13.56MHz Crystal Title Size 433MTX(SZ01SZ1M11) Number Revision A4 Date: File: 1 2 Rev. 1.00 4-Nov-2010 Sheet of D:\layout\HT9831_lay\HT1XET3\HT1XET3.Ddb Drawn By: 3 7 4 January 28, 2011 HT16x2Tx/HT12x2Tx 216/212 RF Encoder Package Information 20-pin SSOP (150mil) Outline Dimensions Symbol Dimensions in inch Min. Nom. Max. A 0.228 ― 0.244 B 0.150 ― 0.158 C 0.008 ― 0.012 C’ 0.335 ― 0.347 D 0.049 ― 0.065 E ― 0.025 ― F 0.004 ― 0.010 G 0.015 ― 0.050 H 0.007 ― 0.010 α 0° ― 8° Symbol Rev. 1.00 Dimensions in mm Min. Nom. Max. A 5.79 ― 6.20 B 3.81 ― 4.01 C 0.20 ― 0.30 C’ 8.51 ― 8.81 D 1.24 ― 1.65 E ― 0.64 ― F 0.10 ― 0.25 G 0.38 ― 1.27 H 0.18 ― 0.25 α 0° ― 8° 8 January 28, 2011 HT16x2Tx/HT12x2Tx 216/212 RF Encoder Package Information Product Tape and Reel Specifications Reel Dimensions Reel Dimensions SOP 28W (300mil) SSOP 20S (150mil) Symbol Symbol A A B B C D C T1 D T2 T1 T2 Description Description Reel Outer Diameter Reel Outer Diameter Reel Inner Diameter Reel Inner Diameter Spindle Hole Diameter Hole Diameter KeySpindle Slit Width Space Between Flange Key Slit Width Reel Thickness Space Between Flange Dimensions mm Dimensions in in mm 330.0±1.0 330.01.0 100.0±1.5 100.01.5 13.0 +0.5/-0.2 13.0 +0.5/-0.2 2.0±0.5 16.8 +0.3/-0.2 2.00.5 22.2±0.2 24.8 +0.3/-0.2 Reel Thickness 30.20.2 2 Rev. 1.00 9 April 1, 2010 January 28, 2011 HT16x2Tx/HT12x2Tx 16 12 2Package /2 RFInformation Encoder Carrier Tape Tape Dimensions Carrier Dimensions 20S (150mil) SOPSSOP 28W (300mil) Symbol Description Symbol Description W Carrier Tape Width Carrier Tape Width PW Cavity Pitch E Perforation Position P Cavity Pitch F Cavity to Perforation (Width Direction) Perforation Position DE Perforation Diameter A0 D1 B0 K0P0 Cavity Hole Diameter Cavity to Perforation (Width Direction) Perforation Pitch Perforation Diameter Cavity to Perforation (Length Direction) Cavity Length Cavity Hole Diameter Cavity Width Perforation Cavity Depth Pitch Dimensions in mm Dimensions in mm 16.0+0.3/-0.1 24.00.3 8.0±0.1 1.75±0.10 12.00.1 7.5±0.1 +0.1/-0.0 1.750.10 1.5 +0.25/-0.00 1.50 11.50.1 4.0±0.1 +0.1/-0.0 1.5 2.0±0.1 +0.25/-0.00 6.5±0.1 1.50 9.0±0.1 4.00.1 2.3±0.1 tP1 C A0 Carrier Thickness(Length Direction) CavityTape to Perforation Cover Tape Width Cavity Length 0.30±0.05 2.00.1 13.3±0.1 10.850.10 D1 F P0 P1D B0 Cavity Width 18.340.10 K0 Cavity Depth 2.970.10 t Carrier Tape Thickness 0.350.01 C Cover Tape Width 21.30.1 Rev. 1.00 10 3 January 28, 2011 April 1, 2010 HT16x2Tx/HT12x2Tx 216/212 RF Encoder Holtek Semiconductor Inc. (Headquarters) No.3, Creation Rd. II, Science Park, Hsinchu, Taiwan Tel: 886-3-563-1999 Fax: 886-3-563-1189 http://www.holtek.com.tw Holtek Semiconductor Inc. (Taipei Sales Office) 4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan Tel: 886-2-2655-7070 Fax: 886-2-2655-7373 Fax: 886-2-2655-7383 (International sales hotline) Holtek Semiconductor Inc. (Shenzhen Sales Office) 5F, Unit A, Productivity Building, No.5 Gaoxin M 2nd Road, Nanshan District, Shenzhen, China 518057 Tel: 86-755-8616-9908, 86-755-8616-9308 Fax: 86-755-8616-9722 Holtek Semiconductor (USA), Inc. (North America Sales Office) 46729 Fremont Blvd., Fremont, CA 94538, USA Tel: 1-510-252-9880 Fax: 1-510-252-9885 http://www.holtek.com Copyright© 2011 by HOLTEK SEMICONDUCTOR INC. The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek assumes no responsibility arising from the use of the specifications described. The applications mentioned herein are used solely for the purpose of illustration and Holtek makes no warranty or representation that such applications will be suitable without further modification, nor recommends the use of its products for application that may present a risk to human life due to malfunction or otherwise. Holtek's products are not authorized for use as critical components in life support devices or systems. Holtek reserves the right to alter its products without prior notification. For the most up-to-date information, please visit our web site at http://www.holtek.com.tw. Rev. 1.00 11 January 28, 2011