TD7623AFN TOSHIBA Semiconductor CORPORATION, TD7623AFN Datasheet

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TD7623AFN

Manufacturer Part Number
TD7623AFN
Description
3-wire And I C Bus System, 2.3 Ghz Direct Two Modulus-type Frequency Synthesizer For Catv
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
3-WIRE AND I
SYNTHESIZER FOR CATV
The TD7623AFN can be combined with a micro CPU to create a
highly functional frequency synthesizer. The control data
conforms to 3-wire bus and standard I
can be used to easily switch for easy tuner system set-up.
FEATURES
l Direct two modulus-type frequency synthesizer
l Standard I
l 3-wire bus 27-bit format control
l 4-bit bandswitch drive transistor
l 5-level A / D converter (when I
l Frequency step
l Phase lock detector
l Various function settings via program data
l Four address settings via address selector (when I
l Power on reset circuit
l Flat, compact package
l Power on reset operation condition
TENTATIVE
· TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general
· The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal
· The products described in this document are subject to the foreign exchange and foreign trade laws.
· The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by
· The information contained herein is subject to change without notice.
can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the
buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and
to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or
damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the
most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling
Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc..
equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are
neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or
failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy
control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control
instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document
shall be made at the customer’s own risk.
TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its
use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or
others.
333.3 kHz (at 4 MHz X'tal used)
Note:
Bandswitch register 1 to 4
Tuning amplifier
Tuning Voltage output (Vt)
Charge-pump output current : ±200 µA
Phase comparator reference frequency divider ratio : 1 / 80
These devices are easy to be damaged by high static voltage or electric fields.
In regards to this, please handle with care. To input sub features items.
2
C bus format control with built-in read mode
2
C BUS SYSTEM, 2.3 GHz DIRECT TWO MODULUS-TYPE FREQUENCY
TOSHIBA BIPOLAR DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC
: 50 kHz, 62.5 kHz, 250 kHz, and
: SSOP16 (0.65 mm pitch)
2
C bus selected)
: OFF
: ON
: High Level
2
TD7623AFN
C bus formats. BUS-SW
2
C bus selected)
Weight: 0.07 g (Typ.)
2001-03-01 1/19
TD7623AFN
000707EBA1

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TD7623AFN Summary of contents

Page 1

... AND I C BUS SYSTEM, 2.3 GHz DIRECT TWO MODULUS-TYPE FREQUENCY SYNTHESIZER FOR CATV The TD7623AFN can be combined with a micro CPU to create a highly functional frequency synthesizer. The control data conforms to 3-wire bus and standard I can be used to easily switch for easy tuner system set-up. ...

Page 2

... RECOMMENDED SUPPLY VOLTAGE PIN PIN NAME No PLL Power Supply CC1 Band Switch Power Supply CC2 SYMBOL RATING UNIT V 6.0 V CC1 CC2 P 560 −20~85 °C opr T −55~150 °C stg MIN TYP. MAX UNIT 4.5 5.0 5 ― 9.9 V CC1 TD7623AFN 2001-03-01 2/19 ...

Page 3

... PIN INTERFACE TD7623AFN 2001-03-01 3/19 ...

Page 4

... V 1 ― BIL V 1 ― BIH I 1 ― BIL I 1 ― BIH chg C-bus mode) ACK SINK TD7623AFN MIN TYP. MAX UNIT 4.5 5.0 5 ― 9.9 V CC1 ― ― ― ― ― ...

Page 5

... H f SCL t BUF t ― HD;STA t LOW t HIGH bus mode) t SU;STA Refer to data timing chart t HD;DAT t SU;DAT SU;STO TD7623AFN MIN TYP. MAX UNIT 2 ― ― 2 ― ― 6 ― ― µs 6 ― ― 2 ― ― 10 ― ― 2 ― ― ― ...

Page 6

... Fig.1 3-wire bus data timing chart 2 Fig bus data timing chart TD7623AFN (Falling edge timing) (Falling edge timing) 2001-03-01 6/19 ...

Page 7

... OPERATION INSTRUCTIONS The TD7623AFN can be controlled with either the 3-wire bus or standard I The 3-wire bus mode, the device is controlled by 27-bit serial data. 2 The I C bus conforms to the standard I consisting of WRITE mode where data are received and READ mode where data are transmitted. In READ mode, the voltage applied on the converter input pin can be transmitted and output with 5-level resolution ...

Page 8

... The programmable counter data are latched at the 20th bit rising edge of the clock signal, and the data is updated. The control data are latched at the 27th bit falling edge of the clock signal, and the data is updated. Details of the data timing, see the data timing chart. (Figure 1) TD7623AFN 2001-03-01 8/19 ...

Page 9

... Reference signal output : B4 counter output : B2 Comparative signal input : Reference signal input STEP FREQUENCY 333.3 k 250.0 k 62.5 k 50.0 k TD7623AFN NOTE ― (check output : NF) TUNING FREQUENCY 500 MHz~~2300 MHz 500 MHz~2300 MHz 500 MHz~2000 MHz 500 MHz~1600 MHz 2001-03-01 9/19 ...

Page 10

... I C BUS COMMUNICATIONS CONTROL― The TD7623AFN conform to standard I 2 The I C bus mode enables two-way bus communications with the WRITE mode, which receives data, and READ mode, which status data. WRITE and READ mode are set using the last bit ( bit) of the address byte. ...

Page 11

... For the voltage applied on the converter input pin, 5-level resolution, and the output bits, see the table. (Ex : The AFT output voltage data can be given to the master device.) TD7623AFN stops, bit 1 is CC1 higher, transmission is CC1 is turned on, bit 1 is also set to [1] ...

Page 12

... × × × MA1 MA0 TD7623AFN LSB MA1 MA0 R / W=0 ACK N10 N9 N8 ACK ACK (L) RSa RSb OS ACK ( ACK (L) × : DON’T Care ACK : Acknowledged (L) : Latch and transfer timing ...

Page 13

... Comparative signal input : SDA 0 0 Reference signal input : SCL (check output : NF) STEP FREQUENCY TUNING FREQUENCY 333.3 k 500 MHz~2300 MHz 250.0 k 500 MHz~2300 MHz 62.5 k 500 MHz~2000 MHz 50.0 k 500 MHz~1600 MHz TD7623AFN NOTE ― 2001-03-01 13/19 ...

Page 14

... I C BUS CONTROL SUMMARY The bus control format of TD7623AFN conforms to the Philips I Data transmission format (1) Start / Stop condition (3) Acknowledge TD7623AFN 2 C bus control format Start condition P : Stop condition A : Acknowledge (2) Bit transfer (4) Slave address Purchase of TOSHIBA I ...

Page 15

... TEST CIRCUIT 1 Evaluation circuit board TEST CIRCUIT 2 Input sensitivity test circuit Test mode circuit TD7623AFN 2001-03-01 15/19 ...

Page 16

... TEST CIRCUIT 3 Bandswitch drive test circuit SYSTEM APPLICATION DIAGRAM TD7623AFN 2001-03-01 16/19 ...

Page 17

... R1) with : Kv = Oscillator control sensitivity (radian / Second / Volts) Icomp = Charge-pump current (A) ωn = Natural radian frequency (radian / Second Total counter ratio ε = Dumping-factor (generally : dumping-factor is about 0.5~1. filter cut-off frequency with combination resistor R1. (generally : fc is about fr (reference frequency TD7623AFN 2001-03-01 17/19 ...

Page 18

... In order to better understand the quality and reliability of Toshiba semiconductor products and to incorporate them into design in an appropriate manner, please refer to the latest Semiconductor Reliability Handbook (Integrated Circuits) published by Toshiba Semiconductor Company. The handbook can also be viewed online at http://doc.semicon.toshiba.co.jp/noseek/us/sinrai/sinraifm.htm. TD7623AFN 2001-03-01 18/19 ...

Page 19

... PACKAGE DIMENSIONS Weight: 0.07 g (Typ.) TD7623AFN 2001-03-01 19/19 ...

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