TC74LCX16374AFT 2002-01-11 1 toshiba cmos digital integrated circuit silicon monolithic TC74LCX16374AFT low-voltage 16-bit d-type flip-flop with 5-v tolerant inputs and outputs the TC74LCX16374AFT is a high-performance cmos 16-bit d-type flip-flop. designed for use in 3.3-v systems, it achieves high-speed operation while maintaining the cmos low power dissipation. the device is designed for low-voltage (3.3 v) v cc applications, but it could be used to interface to 5-v supply environment for both inputs and outputs. this 16-bit d-type flip-flop is controlled by a clock input (ck) and an output enable input (oe) which are common to each byte. it can be used as two 8-bit flip-flops or one 16-bit flip-flop. when the oe input is high, the outputs are in a high-impedance state. all inputs are equipped with protection circuits against static discharge. features low-voltage operation: v cc = 2.0 to 3.6 v high-speed operation: t pd = 7.0 ns (max) (v cc = 3.0 to 3.6 v) ouput current: |i oh |/i ol = 24 ma (min) (v cc = 3.0 v) latch-up performance: 500 ma package: tssop (thin shrink small outline package) power-down protection provided on all inputs and outputs weight: 0.25 g (typ.)
TC74LCX16374AFT 2002-01-11 2 pin assignment (top view) iec logic symbol 1ck 48 1d1 1d2 gnd 47 46 45 44 43 42 oe 1 1 2 3 4 5 6 7 gnd 1q3 1q4 v cc 1q5 1q6 1d3 8 9 10 1d5 1d6 gnd 41 40 39 1d4 v cc gnd 1q1 1q2 1d7 38 1d8 2d1 2d2 37 36 35 34 33 32 1q7 11 12 13 14 15 16 17 2q2 gnd 2q3 2q4 v cc 2q5 gnd 18 19 20 v cc 2d5 2q6 31 30 29 2d3 2d4 2d6 1q8 2q1 28 21 gnd 2q7 2q8 22 23 24 2d7 2d8 oe 2 27 26 25 gnd 2ck 48 1 25 24 47 44 46 oe 1 1d1 1d 1 1d3 1d2 41 43 38 40 36 37 33 35 1d5 1d4 1d7 1d6 2d1 1d8 2d3 2d2 30 32 27 29 26 2d5 2d4 2d7 2d6 2d8 2 5 8 11 1q1 1q3 1q5 1q7 3 6 9 1q2 1q4 1q6 14 17 20 23 2q2 2q4 2q6 2q8 13 16 19 22 2q1 2q3 2q5 2q7 c1 1en 2en c2 2d 2 12 1q8 1ck 2ck oe 2
TC74LCX16374AFT 2002-01-11 3 truth table inputs outputs oe 1 1ck 1d1-1d8 1q1-1q8 h x x z l x qn l l l l h h inputs outputs oe 2 2ck 2d1-2d8 2q1-2q8 h x x z l x qn l l l l h h x: don?t care z: high impedance qn: no change system diagram 1ck oe 1 1 48 47 2 ck q d 1q1 1d1 3 q d 1q2 1d2 5 q d 1q3 1d3 6 q d 1q4 1d4 8 q d 1q5 1d5 9 q d 1q6 1d6 11 q d 1q7 1d7 12 q d 1q8 1d8 46 44 43 41 40 38 37 2ck oe 2 25 36 13 q d 2q1 2d1 14 q d 2q2 2d2 16 q d 2q3 2d3 17 q d 2q4 2d4 19 q d 2q5 2d5 20 q d 2q6 2d6 22 q d 2q7 2d7 23 q d 2q8 2d8 35 33 32 30 29 27 26 24 ck ck ck ck ck ck ck ck ck ck ck ck ck ck ck
TC74LCX16374AFT 2002-01-11 4 maximum ratings characteristics symbol rating unit power supply voltage v cc 0.5 to 7.0 v input voltage v in 0.5 to 7.0 v 0.5 to 7.0 (note 1) output voltage v out 0.5 to v cc 0.5 (note 2) v input diode current i ik 50 ma output diode current i ok 50 (note 3) ma dc output current i out 50 ma power dissipation p d 400 mw dc v cc /ground current per supply pin i cc /i gnd 100 ma storage temperature t stg 65 to 150 c note 1: output in off state note 2: high or low state. i out absolute maximum rating must be observed. note 3: v out gnd, v out v cc recommended operating conditions characteristics symbol rating unit 2.0 to 3.6 power supply voltage v cc 1.5 to 3.6 (note 4) v input voltage v in 0 to 5.5 v 0 to 5.5 (note 5) output voltage v out 0 to v cc (note 6) v 24 (note 7) output current i oh /i ol 12 (note 8) ma operating temperature t opr 40 to 85 c input rise and fall time dt/dv 0 to 10 (note 9) ns/v note 4: data retention only note 5: output in off state note 6: high or low state note 7: v cc 3.0 to 3.6 v note 8: v cc 2.7 to 3.0 v note 9: v in 0.8 to 2.0 v, v cc 3.0 v
TC74LCX16374AFT 2002-01-11 5 electrical characteristics dc characteristics (ta 40 to 85c) 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 16 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 5.5 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 5.5 v 2.7 to 3.6 5.0 a power-off leakage current i off v in /v out 5.5 v 0 10.0 a v in v cc or gnd 2.7 to 3.6 20.0 quiescent supply current i cc v in /v out 3.6 to 5.5 v 2.7 to 3.6 20.0 increase in icc per input i cc v ih v cc 0.6 v 2.7 to 3.6 500 a
TC74LCX16374AFT 2002-01-11 6 ac characteristics (ta 40 to 85c) characteristics symbol test condition v cc (v) min max unit 2.7 maximum clock frequency f max figure 1, figure 2 3.3 0.3 170 mhz 2.7 8.0 propagation delay time (ck-q) t plh t phl figure 1, figure 2 3.3 0.3 1.5 7.0 ns 2.7 8.2 3-state output enable time t pzl t pzh figure 1, figure 3 3.3 0.3 1.5 7.2 ns 2.7 8.2 3-state output disable time t plz t phz figure 1, figure 3 3.3 0.3 1.5 7.2 ns 2.7 4.0 minimum pulse width (ck) t w (h) t w (l) figure 1, figure 2 3.3 0.3 3.0 ns 2.7 2.5 minimum setup time t s figure 1, figure 2 3.3 0.3 2.5 ns 2.7 1.5 minimum hold time t h figure 1, figure 2 3.3 0.3 1.5 ns 2.7 output to output skew t oslh t oshl (note 10) 3.3 0.3 1.0 ns note 10: parameter guaranteed by design. (t oslh |t plhm t plhn |, t oshl |t phlm t phln |) dynamic switching characteristics (ta 25c, input: t r t f 2.5 ns, c l 50 pf, r l 500 ) characteristics symbol test condition v cc (v) typ. unit quiet output maximum dynamic v ol v olp v ih 3.3 v, v il 0 v 3.3 0.8 v quiet output minimum dynamic v ol |v olv | v ih 3.3 v, v il 0 v 3.3 0.8 v capacitive characteristics (ta 25c) characteristics symbol test condition v cc (v) typ. unit input capacitance c in 3.3 7 pf output capacitance c out 3.3 8 pf power dissipation capacitance c pd f in 10 mhz (note 11) 3.3 25 pf note 11: 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 /16 (per bit)
TC74LCX16374AFT 2002-01-11 7 ac test circuit ac waveform open 6.0 v gnd switch output measure r l 500 c l 50 pf parameter switch t plh , t phl open t plz , t pzl 6.0 v t phz , t pzh gnd t w , t s , t h , f max open r l r l c l figure 1 figure 2 t plh , t phl , t w , t s , t h 90% 1.5 v 10% t r 2.5 ns 1.5 v t f 2.5 ns 2.7 v gnd 90% 1.5 v 10% t s (h) t h (h) t h (l) t s (l) t w (h) t w (l) input (ck) 2.7 v gnd input (d) t f 2.5 ns t r 2.5 ns output (q) v oh v ol t plh t phl figure 3 t plz , t phz , t pzl , t pzh 90% 10% v ol 3.0 v gnd 2.7 v 1.5 v t phz t pzh t r 2.5 ns t f 2.5 ns 1.5 v gnd v oh outputs enabled 1.5 v t plz t pzl v ol 0.3 v v oh 0.3 v outputs disabled outputs enabled output enable ( oe ) output (q) low to off to low output (q) high to off to high
TC74LCX16374AFT 2002-01-11 8 package dimensions weight: 0.25 g (typ.)
TC74LCX16374AFT 2002-01-11 9 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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