td7104p/f 2002-10-30 1 toshiba bipolar digital integrated circuit silicon monolithic td7104p,TD7104F ecl prescaler for digital synthesized tuner td7104p,TD7104F are general ? purpose fixed dividing prescaler developed for digital tuning system of pll frequency synthesizer type, and can operate up to 1ghz. features maximum operating frequency 1ghz. (at 1 / 8 dividign mode) dividing ratios of 1 / 8, 1 / 4, and 1 / 2 are provided. independent tv and fm inputs are provided. in fm mode, this ic can function as a buffer amplifier (1 / 1 dividing). the built ? in input amplifier contributes to realizing high input voltage sensitivity. built ? in stand ? by circuit pin connection block diagram weight dip8 ? p ? 300 ? 2.54a: 0.45g (typ.) sop8 ? p ? 225 ? 1.27: 0.76g (typ.)
td7104p/f 2002-10-30 2 pin function pin no. symbol pin name function and description remarks 1 v cc power supply terminal applies voltage of v cc = 3.0 to 5.5v D 2 fm in fm local osc. signal input terminal inputs local oscillation signal in fm band. f in = 50 to 200mhz, fm in input signal is output by 1 / 1 dividing (buffer amplifier). built in input amp. provided 3 tv in tv local osc. signal input terminal inputs local oscillation signal in tv band. f in = 50m to 1.0ghz, tv in input signal is output by 1 / 8, 1 / 4, or 1 / 2 dividing, which is controlled with n1 and n2 input. built in input amp. provided 4 gnd ground terminal grounds. D 5 out dividing signal output terminal outputs dividing signal. D 6 n1 7 n2 dividing ratio selecting control terminal these inputs control the selection of a dividing ratio among 1 / 1, 1 / 2, 1 / 4, and 1 / 8. fm in terminal is selected at n1 = n2 = "l" level (1 / 1 dividing). the truth table is shown below. D 8 bias bias terminal connects capacitors on bias circuit. change this pin into low, the ic is turned stand by mode. D truth table receiving band input terminal operating frequency range dividing ratio n1 n2 fm fm in 50m~200mhz 1 0 0 50m~400mhz 2 1 0 100m~500mhz 4 0 1 tv tv in 100m~1.0ghz 8 1 1
td7104p/f 2002-10-30 3 maximum ratings (ta = 25c) characteristic symbol rating unit power supply voltage v cc 6.5 v power dissipation p d 450 (200) (*) mw input voltage v in 0.3~v cc + 0.3 v operating temperature t opr 30~75 c storage temperature t stg 55~150 c (*) flat package electrical characteristics (unless otherwise specified, v cc = 3.0~6.0v, ta = 30~75c) characteristic symbol test cir cuit test condition min. typ. max. unit power supply voltage v cc D D 3.0 ~ 6.0 v i cc1 D v cc = 5.0v, 8, 4 D 14 20 i cc2 D v cc = 5.0v, 2 D 11 18 operating supply current i cc3 D v cc = 5.0v, fm mode D 7 13 ma stand by current i cs D v cc = 5.0v, bias = gnd D 30 70 a f in1 8, tv in 100 D 1000 f in2 4, tv in 100 D 500 f in3 2, tv in 50 D 400 operating frequency range f in4 1 fm mode, fm in 50 D 200 mhz v in1 tv in (8, 4) 22.0 D 220 f in = 50~100mhz 35.0 D 220 v in2 tv in (2) f in = 100~400mhz 22.0 D 220 input voltage range v in3 1 fm in 22.0 D 220 mv rms output amplitude v out 1 out, c l = 3pf 0.4 0.5 D v p p "h" level v ih D n1, n2, bias 2.5 D v cc input voltage "l" level v il D n1, n2, bias 0 D 0.8 v "h" level i ih D n1, n2, bias, v cc = 5.0v v ih = 4.0v D D 100 input current "l" level i il D n1, n2, bias, v cc = 5.0v v il = 1.0v D D 10 a test circuit 1 (input voltage sensitivitly)
td7104p/f 2002-10-30 4
td7104p/f 2002-10-30 5 package dimensions weight: 0.45g (typ.)
td7104p/f 2002-10-30 6 package dimensions weight: 0.76g (typ.)
td7104p/f 2002-10-30 7 toshiba is continually working to improve the quality and reliability of its products. nevertheless, semiconductor devices in general 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.. the toshiba products listed in this document are intended for usage in general electronics applications (computer, personal 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. 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 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. the information contained herein is subject to change without notice. 000707eb a restrictions on product use
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