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TC74VCX16601FT 2007-10-19 1 toshiba cmos digital integrat ed circuit silicon monolithic TC74VCX16601FT low-voltage 18-bit universal bus transceiv er with 3.6-v tolerant inputs and outputs the TC74VCX16601FT is a high performance cmos 18-bit universal bus transceiver. designed for use in 1.8-v, 2.5-v or 3.3-v systems, it achieves high-speed operation while maintaining the cmos low power dissipation. it is also designed with overvo ltage tolerant inputs and outputs up to 3.6 v. data flow in each direction is controlled by output-enable (oeab and oeba), latch-enable (leab and leba), and clock (ckab and ckba) inputs. the cl ock can be controlled by the clock-enable (ckenab and ckenba) inputs. for a-to-b data flow, the device operates in the transparent mode when leab is high. when leab is low, the a data is latched if ckab is held at a high or low logic level. if le ab is low, the a-bus data is stor ed in the latch/flip-flop on the low-to-high transition of ckab. data flow for b to a is similar to that of a to b but uses oeba, leba, ckba, and ckenba. when the oe input is high, the outputs are in a high-impedance state. this device is designed to be used with 3-state memory addre ss drivers, etc. all inputs are equipped with protection circuits against static discharge. features (note) ? low-voltage operation: v cc = 1.8 to 3.6 v ? high-speed operation: t pd = 2.9 ns (max) (v cc = 3.0 to 3.6 v) : t pd = 3.5 ns (max) (v cc = 2.3 to 2.7 v) : t pd = 7.0 ns (max) (v cc = 1.8 v) ? output current : i oh /i ol = 24 ma (min) (v cc = 3.0 v) : i oh /i ol = 18 ma (min) (v cc = 2.3 v) : i oh /i ol = 6 ma (min) (v cc = 1.8 v) ? latch-up performance: ? 300 ma ? esd performance: machine model 200 v human body model 2000 v ? package: tssop ? bidirectional interface between 2.5 v and 3.3 v signals. ? 3.6-v tolerant function and power down-prote ction provided on all inputs and outputs note: do not apply a signal to any bus pins when it is in the output mode. damage may result. all floating (high impedance) bus pins must have their input level fixed by means of pull-up or pull-down resistors. weight: 0.25 g (typ.)
TC74VCX16601FT 2007-10-19 2 pin assignment (top view) ckenab 48 ckab b1 gnd 47 46 45 44 43 42 oeab 1 2 3 4 5 6 7 gnd a2 a3 v cc a4 a5 b2 8 9 10 b4 b5 a6 41 40 39 b3 v cc b6 a1 gnd 38 b7 b8 b9 37 36 35 34 33 32 gnd 11 12 13 14 15 16 17 a9 a10 a11 a12 gnd a13 b10 18 19 20 gnd b13 a14 31 30 29 b11 b12 b14 a7 a8 21 a15 v cc a16 22 23 24 v cc b16 a17 b15 b17 25 gnd 26 a18 27 oeba 28 leba gnd b18 ckba ckenba 56 55 54 53 52 51 50 49 leab
TC74VCX16601FT 2007-10-19 3 truth table (a bus b bus) inputs ckenab oeab leab ckab a outputs b x h x x x z x l h x l l x l h x h h h l l x x b0 (note 2) h l l x x b0 (note 2) l l l l l l l l h h l l l l x b0 (note 1) l l l h x b0 (note 1) note 1: output level before the indicated steady-state input conditions were established, provided that ckab was low or high before leab went low. note 2: output level before the indicated steady-st ate input conditions were established, provided that ckenab was low or high before leab went low. truth table (b bus a bus) inputs ckenba oeba leba ckba b outputs a x h x x x z x l h x l l x l h x h h h l l x x a0 (note 2) h l l x x a0 (note 2) l l l l l l l l h h l l l l x a0 (note 1) l l l h x a0 (note 1) note 1: output level before the indicated steady-state input conditions were established, provided that ckba was low or high before leba went low. note 2: output level before the indicated steady-st ate input conditions were established, provided that ckenba was low or high before leba went low.
TC74VCX16601FT 2007-10-19 4 system diagram leba to 17 other channels a1 d le d le d le oeab ckenba d le oeba ckenab b1 leab 1 29 30 28 27 56 55 2 3 54 ckba ckab
TC74VCX16601FT 2007-10-19 5 absolute maximum ratings (note 1) characteristics symbol rating unit power supply voltage v cc 0.5 to 4.6 v dc input voltage ( oeab , oeba , leab, leba, ckab, ckba, ckenab , ckenba ) v in 0.5 to 4.6 v 0.5 to 4.6 (note 2) dc bus i/o voltage v i/o 0.5 to v cc 0.5 (note 3) v input diode current i ik 50 ma output diode current i ok r 50 (note 4) ma dc output current i out r 50 ma power dissipation p d 400 mw dc v cc /ground current per supply pin i cc /i gnd r 100 ma storage temperature t stg 65 to 150 c note 1: exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in ic performance or even destruction. using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings and the operating ranges. please design the appropriate reliability upon reviewing the toshiba semiconductor reliability handbook (?handling precautions?/?derating concept and methods?) and individual reliability data (i.e. reliability test report and estimated failure rate, etc). note 2: off state note 3: high or low state. i out absolute maximum rating must be observed. note 4: v out gnd, v out ! v cc operating ranges (note 1) characteristics symbol rating unit 1.8 to 3.6 power supply voltage v cc 1.2 to 3.6 (note 2) v input voltage ( oeab , oeba , leab, leba, ckab, ckba, ckenab , ckenba ) v in 0.3 to 3.6 v 0 to 3.6 (note 3) bus i/o voltage v i/o 0 to v cc (note 4) v r 24 (note 5) r 18 (note 6) output current i oh /i ol r 6 (note 7) ma operating temperature t opr 40 to 85 c input rise and fall time dt/dv 0 to 10 (note 8) ns/v note 1: the operating ranges must be maintained to ensure the normal operation of the device. unused inputs must be tied to either vcc or gnd. note 2: data retention only note 3: off state note 4: high or low state note 5: v cc 3.0 to 3.6 v note 6: v cc 2.3 to 2.7 v note 7: v cc 1.8 v note 8: v in 0.8 to 2.0 v, v cc 3.0 v
TC74VCX16601FT 2007-10-19 6 electrical characteristics dc characteristics (ta = ? 40 to 85c, 2.7 v < v cc < = 3.6 v) characteristics symbol test condition v cc (v) min max unit h-level v ih ? 2.7 to 3.6 2.0 ? input voltage l-level v il ? 2.7 to 3.6 ? 0.8 v i oh = ? 100 a 2.7 to 3.6 v cc ? 0.2 ? i oh = ? 12 ma 2.7 2.2 ? i oh = ? 18 ma 3.0 2.4 ? h-level v oh v in = v ih or v il i oh = ? 24 ma 3.0 2.2 ? i ol = 100 a 2.7 to 3.6 ? 0.2 i ol = 12 ma 2.7 ? 0.4 i ol = 18 ma 3.0 ? 0.4 output voltage l-level v ol v in = v ih or v il i ol = 24 ma 3.0 ? 0.55 v input leakage current i in v in = 0 to 3.6 v 2.7 to 3.6 ? 5.0 a 3-state output off state current i oz v in = v ih or v il v out = 0 to 3.6 v 2.7 to 3.6 ? 10.0 a power-off leakage current i off v in , v out = 0 to 3.6 v 0 ? 10.0 a v in = v cc or gnd 2.7 to 3.6 ? 20.0 quiescent supply current i cc v cc < = (v in , v out ) < = 3.6 v 2.7 to 3.6 ? 20.0 increase in i cc per input i cc v ih = v cc ? 0.6 v 2.7 to 3.6 ? 750 a dc characteristics (ta = ? 40 to 85c, 2.3 v < = v cc < = 2.7 v) characteristics symbol test condition v cc (v) min max unit h-level v ih ? 2.3 to 2.7 1.6 ? input voltage l-level v il ? 2.3 to 2.7 ? 0.7 v i oh = ? 100 a 2.3 to 2.7 v cc ? 0.2 ? i oh = ? 6 ma 2.3 2.0 ? i oh = ? 12 ma 2.3 1.8 ? h-level v oh v in = v ih or v il i oh = ? 18 ma 2.3 1.7 ? i ol = 100 a 2.3 to 2.7 ? 0.2 i ol = 12 ma 2.3 ? 0.4 output voltage l-level v ol v in = v ih or v il i ol = 18 ma 2.3 ? 0.6 v input leakage current i in v in = 0 to 3.6 v 2.3 to 2.7 ? 5.0 a 3-state output off state current i oz v in = v ih or v il v out = 0 to 3.6 v 2.3 to 2.7 ? 10.0 a power-off leakage current i off v in , v out = 0 to 3.6 v 0 ? 10.0 a v in = v cc or gnd 2.3 to 2.7 ? 20.0 quiescent supply current i cc v cc < = (v in , v out ) < = 3.6 v 2.3 to 2.7 ? 20.0 a
TC74VCX16601FT 2007-10-19 7 dc characteristics (ta = ? 40 to 85c, 1.8 v < = v cc < 2.3 v) characteristics symbol test condition v cc (v) min max unit h-level v ih ? 1.8 to 2.3 0.7 v cc ? input voltage l-level v il ? 1.8 to 2.3 ? 0.2 v cc v i oh = ? 100 a 1.8 v cc ? 0.2 ? h-level v oh v in = v ih or v il i oh = ? 6 ma 1.8 1.4 ? i ol = 100 a 1.8 ? 0.2 output voltage l-level v ol v in = v ih or v il i ol = 6 ma 1.8 ? 0.3 v input leakage current i in v in = 0 to 3.6 v 1.8 ? 5.0 a 3-state output off state current i oz v in = v ih or v il v out = 0 to 3.6 v 1.8 ? 10.0 a power-off leakage current i off v in , v out = 0 to 3.6 v 0 ? 10.0 a v in = v cc or gnd 1.8 ? 20.0 quiescent supply current i cc v cc < = (v in , v out ) < = 3.6 v 1.8 ? 20.0 a
TC74VCX16601FT 2007-10-19 8 ac characteristics (ta = ? 40 to 85c, input: t r = t f = 2.0 ns, c l = 30 pf, r l = 500 ) (note 1) characteristics symbol test condition v cc (v) min max unit 1.8 100 ? 2.5 0.2 200 ? maximum clock frequency f max figure 1, figure 3 3.3 0.3 250 ? mhz 1.8 1.5 7.0 2.5 0.2 1.0 3.5 propagation delay time (an, bn-bn, an) t plh t phl figure 1, figure 2 3.3 0.3 0.8 2.9 ns 1.8 1.5 8.8 2.5 0.2 1.0 4.4 propagation delay time (ckab, ckba-bn, an) t plh t phl figure 1, figure 3 3.3 0.3 0.8 3.5 ns 1.8 1.5 8.8 2.5 0.2 1.0 4.4 propagation delay time (leab, leba-bn, an) t plh t phl figure 1, figure 4 3.3 0.3 0.8 3.5 ns 1.8 1.5 9.8 2.5 0.2 1.0 4.9 output enable time ( oeab , oeba -bn, an) t pzl t pzh figure 1, figure 6 3.3 0.3 0.8 3.8 ns 1.8 1.5 7.6 2.5 0.2 1.0 4.2 output disable time ( oeab , oeba -bn, an) t plz t phz figure 1, figure 6 3.3 0.3 0.8 3.7 ns 1.8 4.0 ? 2.5 0.2 1.5 ? minimum pulse width t w (h) t w (l) figure 1, figure 3, figure 4 3.3 0.3 1.5 ? ns 1.8 2.5 ? 2.5 0.2 1.5 ? minimum set-up time t s figure 1, figure 3, figure 4, figure 5 3.3 0.3 1.5 ? ns 1.8 1.0 ? 2.5 0.2 1.0 ? minimum hold time t h figure 1, figure 3, figure 4, figure 5 3.3 0.3 1.0 ? ns 1.8 ? 0.5 2.5 0.2 ? 0.5 output to output skew t oslh t oshl (note 2) 3.3 0.3 ? 0.5 ns note 1: for c l = 50 pf, add approximately 300 ps to the ac maximum specification. note 2: parameter guaranteed by design. (t oslh = |t plhm ? t plhn |, t oshl = |t phlm ? t phln |)
TC74VCX16601FT 2007-10-19 9 dynamic switching characteristics (ta = 25c, input: t r = t f = 2.0 ns, c l = 30 pf, r l = 500 ) characteristics symbol test condition v cc (v) typ. unit v ih = 1.8 v, v il = 0 v (note) 1.8 0.25 v ih = 2.5 v, v il = 0 v (note) 2.5 0.6 quiet output maximum dynamic v ol v olp v ih = 3.3 v, v il = 0 v (note) 3.3 0.8 v v ih = 1.8 v, v il = 0 v (note) 1.8 ? 0.25 v ih = 2.5 v, v il = 0 v (note) 2.5 ? 0.6 quiet output minimum dynamic v ol v olv v ih = 3.3 v, v il = 0 v (note) 3.3 ? 0.8 v v ih = 1.8 v, v il = 0 v (note) 1.8 1.5 v ih = 2.5 v, v il = 0 v (note) 2.5 1.9 quiet output minimum dynamic v oh v ohv v ih = 3.3 v, v il = 0 v (note) 3.3 2.2 v note: parameter guaranteed by design. capacitive characteristics (ta = 25c) characteristics symbol test condition v cc (v) typ. unit input capacitance c in ? 1.8, 2.5, 3.3 6 pf bus i/o capacitance c i/o ? 1.8, 2.5, 3.3 7 pf power dissipation capacitance c pd f in = 10 mhz (note) 1.8, 2.5, 3.3 20 pf note: c pd is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. average operating current can be obtained by the equation: i cc (opr) = c pd ? v cc ? f in + i cc /18 (per bit)
TC74VCX16601FT 2007-10-19 10 ac test circuit ac waveform figure 2 t plh , t phl v ol v oh v ih gnd 90% 10% output (bn, an) input (an, bn) v m t plh t phl t r 2.0 ns v m t f 2.0 ns v cc symbol 3.3 0.3 v 2.5 0.2 v 1.8 v v ih 2.7 v v cc v cc v m 1.5 v v cc /2 v cc /2 v x v ol + 0.3 v v ol + 0.15 v v ol + 0.15 v v y v oh ? 0.3 v v oh ? 0.15 v v oh ? 0.15 v figure 3 t plh , t phl , t w , t s , t h output (bn, an) 10% t r 2.0 ns 90% v m v ih gnd v m t s (h) t h (h) t h (l) t s (l) t w (h) t w (l) input (ckab, ckba) t f 2.0 ns v ih gnd input (an, bn) v m v oh v ol t plh t phl figure 1 parameter switch t plh , t phl open t plz , t pzl 6.0 v @v cc = 3.3 0.3 v v cc 2 @v cc = 2.5 0.2 v @v cc = 1.8 v t phz , t pzh gnd 6.0 v or v cc 2 open gnd switch output measure c l = 30 pf r l = 500 r l r l c l
TC74VCX16601FT 2007-10-19 11 figure 4 t plh , t phl , t w , t s , t h t h (l) t s (l) 10% 90% v m v ih gnd v ih gnd v oh v ol t s (h) t h (h) t f 2.0 ns t r 2.0 ns 90% v m 10% v m v m t phl t plh v m t w (h) t plh t phl v m input (le) input (an, bn) output (bn, an) t r 2.0 ns t f 2.0 ns figure 5 t s , t h 90% t r 2.0 ns v ih gnd v m 10% t s (h) t h (h) t s (l) t h (l) input ( ckenab , ckenba ) v ih gnd input (ckab, ckba) v m t f 2.0 ns t r 2.0 ns figure 6 t plz , t phz , t pzl , t pzh 90% 10% v ol 3.0 v or v cc gnd v ih v m t phz t pzh t r 2.0 ns v m gnd v oh outputs enabled v m t plz t pzl v y outputs disabled outputs enabled output enable control ( oeab , oeba ) output (bn, an) low to off to low output (bn, an) high to off to high v x t f 2.0 ns
TC74VCX16601FT 2007-10-19 12 package dimensions weight: 0.25 g (typ.)
TC74VCX16601FT 2007-10-19 13 restrictions on product use 20070701-en general ? the information contained herein is subject to change without notice. ? 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 inhe rent 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, measuri ng 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 his document shall be made at the customer?s own risk. ? the products described in this document shall not be used or embedded to any downstream products of which manufacture, use and/or sale are prohibited under any applicable laws and regulations. ? the information contained herein is presented only as a guide for the applications of our products. no responsibility is assumed by toshiba for any infringements of patents or other rights of the third parties which may result from its use. no license is granted by implication or otherwise under any patents or other rights of toshiba or the third parties. ? please contact your sales representative for product- by-product details in this document regarding rohs compatibility. please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations.

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