philips semiconductors 2003 sep 12 cbt6800 10-bit bus switch with precharged outputs for live insertion integrated circuits product data supersedes data of 1999 oct 28
philips semiconductors product data cbt6800 10-bit bus switch with precharged outputs for live insertion 2 2003 sep 12 features ? 5 ? switch connection between two ports ? ttl compatible input and output levels ? outputs are precharged by bias voltage to minimize signal distortion during live insertion ? latch-up protection exceeds 100 ma per jesd78 ? esd protection exceeds 2000 v hbm per jesd22-a114, 200 v mm per jesd22-a115 and 1000 v cdm per jesd22-c101 description the cbt6800 provides ten bits of high-speed ttl-compatible bus switching. the low on-state resistance of the switch allows bi-directional connections to be made while adding near-zero propagation delay. the device also precharges the b port to a user-selectable bias voltage (biasv) to minimize live-insertion noise. the cbt6800 is organized as one 10-bit switch with a single enable (on ) input. when on is low, the switch is on and port a is connected to port b. when on is high, the switch between port a and port b is open and the b port is precharged to biasv through the equivalent of a 10 k ? resistor. the cbt6800 is characterized for operation from -40 to 85 c. quick reference data symbol parameter conditions t amb = 25 c; gnd = 0 v typical unit t plh t phl propagation delay an to bn or bn to an c l = 50 pf; v cc = 5 v 250 ps c in input capacitance - control pin v i = 0 v or v cc 3.5 pf c out output capacitance - i/o pins outputs disabled; v o = 0 v or v cc 8.2 pf i ccz total supply current outputs disabled; v cc =5.5 v 1 a ordering information packages temperature range order code dwg number 24-pin plastic tssop -40 to +85 c CBT6800PW sot355-1 pin configuration sa00505 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 gnd oe vcc b1 b2 b3 b4 b5 b6 b7 b8 b9 b10 biasv pin description pin number symbol name and function 1 oe output enable 13 biasv precharge bias voltage input 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 a1-a10 a-port i/o pins 23, 22, 21, 20, 19, 18, 17, 16, 15, 14 b1-b10 b-port i/o pins - with active pullup 12 gnd ground (v) 24 v cc positive supply voltage
philips semiconductors product data cbt6800 10-bit bus switch with precharged outputs for live insertion 2003 sep 12 3 logic symbol biasv a1 a10 sa00536 b1 b10 oe 13 function table oe b1 - b10 function l a1 - a10 connect h biasv precharge h = high voltage level l = low voltage level z = high impedance ?off? state absolute maximum ratings 1, 2 symbol parameter conditions rating unit v cc dc supply voltage -0.5 to +7.0 v i ik dc input diode current -50 ma v i dc input voltage 3 -1.2 to +7.0 v i sw dc clamp diode current v o < 0 -50 ma t stg storage temperature range -65 to 150 c biasv dc voltage range -0.5 to 6.0 v notes: 1. stresses beyond those listed may cause permanent damage to the device. these are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under ?recommended operating conditions? is not implied. exposur e to absolute-maximum-rated conditions for extended periods may affect device reliability. 2. the performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create ju nction temperatures which are detrimental to reliability. the maximum junction temperature of this integrated circuit should not excee d 150 c. 3. the input and output voltage ratings may be exceeded if the input and output current ratings are observed. recommended operating conditions limits symbol parameter min max unit v cc dc supply voltage 4.5 5.5 v biasv dc supply voltage 1.3 v cc v v ih high-level input voltage 2.0 ? v v il low-level input voltage ? 0.8 v t amb operating free-air temperature range -40 +85 c
philips semiconductors product data cbt6800 10-bit bus switch with precharged outputs for live insertion 2003 sep 12 4 dc electrical characteristics limits symbol parameter test conditions t amb = -40 to +85 c unit min typ 1 max v ik input clamp voltage v cc = 4.5 v; i i = -18 ma ? ? -1.2 v i i input leakage current - oe v cc = 5.5 v; v i = gnd or 5.5 v ? ? 5 a i o output bias current v cc = 4.5 v; biasv = 2.4 v; v o = 0 0.25 ? ? ma i cc quiescent supply current v cc = 5.5 v; i o = 0, v i = v cc or gnd ? ? 50 a ? i cc control pins 2 v cc = 5.5 v, one input at 3.4 v, other inputs at v cc or gnd ? ? 2.5 ma c i control pins v i = 3 v or 0 ? 3.5 ? pf c o(off) off-state capacitance - i/o pins v o = 3 v or 0; switch off ? 8.2 ? pf v cc = 4.5 v; v i = 0 v; i i = 64 ma ? 5 7 r on 3 on-resistance v cc = 4.5 v; v i = 0 v; i i = 30 ma ? 5 7 ? on v cc = 4.5 v; v i = 2.4 v; i i = 15 ma ? 10 15 vp pass gate voltage v in = v cc = 5.0 v, i out = -100 a 3.4 3.6 3.9 v notes: 1. all typical values are at v cc = 5 v, t amb = 25 c 2. this is the increase in supply current for each input that is at the specified ttl voltage level rather than v cc or gnd 3. measured by the voltage drop between the a and the b terminals at the indicated current through the switch. on-state resistan ce is determined by the lowest voltage of the two (a or b) terminals.
philips semiconductors product data cbt6800 10-bit bus switch with precharged outputs for live insertion 2003 sep 12 5 ac characteristics gnd = 0 v; c l = 50 pf; t r = t f 2.5 ns limits symbol parameter from to v cc = +5.0 v 0.5 v unit (input) (output) min max t pd propagation delay 1 a or b b or a ? .25 ns t pzh t pzl biasv = gnd biasv = 3 v on a or b 2.4 3.0 7.7 8.3 ns t phz t plz biasv = gnd biasv = 3 v on a or b 1.0 3.1 5.3 7.8 ns note: 1. this parameter is warranted but not production tested. the propagation delay is based on the rc time constant of the typical on-state resistance of the switch and a load capacitance of 50 pf, when driven by an ideal voltage source (zero output impedance). ac waveforms v m = 1.5 v, v in = gnd to 3.0 v input 1.5v output t plh t phl sa00028 1.5v 1.5v 1.5v 3 v 0 v v oh v ol waveform 1. waveforms showing the input (an) to output (yn) propagation delays output control (low-level enabling 1.5 v t pzh t phz v oh v ol t pzl t plz 3.5v 0v v ol + 0.3v v oh - 0.3v sa00029 1.5 v 1.5 v 1.5 v 0v 3v output waveform 1 s1 at 7 v (see note) note: waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. output waveform 2 s1 at open (see note) waveform 2. waveforms showing the 3-state output enable and disable times test circuit and waveforms c l = 50 pf 500 ? load circuit definitions c l = load capacitance includes jig and probe capacitance; see ac characteristics for value. test s1 t pd open t plz /t pzl 7 v t phz /t pzh open sa00012 500 ? from output under test s1 7 v open gnd notes: 1. all input pulses are supplied by generators having the following characteristics: prr 10 mhz, z o = 50 ? , t r 2.5 ns, t f 2.5 ns. 2. the outputs are measured one at a time with one transition per measurement.
philips semiconductors product data cbt6800 10-bit bus switch with precharged outputs for live insertion 2003 sep 12 6 tssop24: plastic thin shrink small outline package; 24 leads; body width 4.4 mm sot355-1
philips semiconductors product data cbt6800 10-bit bus switch with precharged outputs for live insertion 2003 sep 12 7 revision history rev date description _2 20030912 product data (9397 750 12059); ecn 853-2182 30126 dated 18 july 2003. supersedes data of 28 october 1999 (9397 750 06552). modifications: ? corrections to block diagram drawing _1 19991028 product data (9397 750 06552); ecn: 853-2182 22598 of 28 october 1999
philips semiconductors product data cbt6800 10-bit bus switch with precharged outputs for live insertion 2003 sep 12 8 definitions short-form specification ? the data in a short-form specification is extracted from a full data sheet with the same type number and title. for detailed i nformation see the relevant data sheet or data handbook. limiting values definition ? limiting values given are in accordance with the absolute maximum rating system (iec 60134). stress above one or more of the l imiting values may cause permanent damage to the device. these are stress ratings only and operation of the device at these or at any o ther conditions above those given in the characteristics sections of the specification is not implied. exposure to limiting values for extended periods may affec t device reliability. application information ? applications that are described herein for any of these products are for illustrative purposes only. philips semiconductors ma ke no representation or warranty that such applications will be suitable for the specified use without further testing or modificatio n. disclaimers life support ? these products are not designed for use in life support appliances, devices, or systems where malfunction of these products ca n reasonably be expected to result in personal injury. philips semiconductors customers using or selling these products for use in such applica tions do so at their own risk and agree to fully indemnify philips semiconductors for any damages resulting from such application. right to make changes ? philips semiconductors reserves the right to make changes in the products ? including circuits, standard cells, and/or software ? described or contained herein in order to improve design and/or performance. when the product is in full production (status ? production ? ), relevant changes will be communicated via a customer product/process change notification (cpcn). philips semiconductors assumes no responsibility or liability for th e use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these products, and makes no representations or warranti es that these products are free from patent, copyright, or mask work right infringement, unless otherwise specified. contact information for additional information please visit http://www.semiconductors.philips.com . fax: +31 40 27 24825 for sales offices addresses send e-mail to: sales.addresses@www.semiconductors.philips.com . ? koninklijke philips electronics n.v. 2003 all rights reserved. printed in u.s.a. date of release: 09-03 document order number: 9397 750 12059 philips semiconductors data sheet status [1] objective data preliminary data product data product status [2] [3] development qualification production definitions this data sheet contains data from the objective specification for product development. philips semiconductors reserves the right to change the specification in any manner without notice. this data sheet contains data from the preliminary specification. supplementary data will be published at a later date. philips semiconductors reserves the right to change the specification without notice, in order to improve the design and supply the best possible product. this data sheet contains data from the product specification. philips semiconductors reserves the right to make changes at any time in order to improve the design, manufacturing and supply. relevant changes will be communicated via a customer product/process change notification (cpcn). data sheet status [1] please consult the most recently issued data sheet before initiating or completing a design. [2] the product status of the device(s) described in this data sheet may have changed since this data sheet was published. the l atest information is available on the internet at url http://www.semiconductors.philips.com. [3] for data sheets describing multiple type numbers, the highest-level product status determines the data sheet status. level i ii iii
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