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march 2011 doc id 17177 rev 3 1/20 20 STMUX7000 7-channel mux/demux fo r analog video signal features low r on : 4.0 typical v cc operating range: 3.0 to 3.6 v enhanced esd protection: > 8 kv (contact) and 8kv (hbm) channel on capacitance: 7.8 pf typical designed for vga signal switching integrated switches for rgb, hsync, vsync and ddc signals very low crosstalk: -45 db at 250 mhz > 1000 mhz -3 db typical bandwidth (or data frequency) low power mode for minimum power consumption package: qfn32l applications audio/video switching description the STMUX7000 is a 7-channel multiplexer/demultiplexer low r on bidirectional designed for analog video signal, such as vga. it is designed for very low crosstalk, and high bandwidth to maintain high signal integrity. the analog video signal multiplexed from one of two selected sources in the notebook and docking station while the unselected switch goes to hi-z status. the device is also protected against high esd that supports up to 8 kv contact on all i/o pins. the device can be put into low power mode consuming minimum power. qfn32 (3 x 6 mm) table 1. device summary order code package packing STMUX7000qtr qfn32 (3 x 6 x 0.8 mm) tape and reel www.st.com
contents STMUX7000 2/20 doc id 17177 rev 3 contents 1 pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.1 recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
STMUX7000 pin description doc id 17177 rev 3 3/20 1 pin description figure 1. pin connection (top through view) table 2. pin description pin symbol name and function 8 sel 1 selecion for bit 0, 1, 2, 3, 4 30 sel 2 selection for bit 5, 6 1, 2, 5, 6, 7, 9, 10 a0, a1, a2, a3, a4, a5, a6 8-bit bus 4, 16, 23, 29, 32 vdd supply voltage 3, 11, 28 gnd ground 27, 25, 22, 20, 18, 14, 12 0b1, 1b1, 2b1, 3b1, 4b1, 5b1, 6b1 8-bit multiplexed to bus 1 26, 24, 21, 19, 17, 15, 13 0b2, 1b2, 2b2, 3b2, 4b2, 5b2, 6b2 8-bit multiplexed to bus 2 31 lp low power mode enable !-6 ! ! '.$ 6$$ ! ! ! 3%, ! ! '.$ " " " " 6$$ " " " " " " 6$$ ,0 3%, 6$$ '.$ " " " " 6$$
pin description STMUX7000 4/20 doc id 17177 rev 3 figure 2. input equivalent circuit table 3. bit 0, 1, 2, 3, 4 switch function table lp sel 1 function l l bit 0, 1, 2, 3, 4 multiplexed to bus 1, bus 2 in hi-z l h bit 0, 1, 2, 3, 4 multiplexed to bus 2, bus 1 in hi-z h x bus 1 and 2 in hi-z table 4. bit 5, 6 switch function table lp sel 2 function l l bit 5,6 multiplexed to bus 1, bus 2 in hi-z a0 a1 a2 a 3 a4 s el1 a5 a6 s el2 0b1 1b1 2b1 3 b1 4b1 0b2 1b2 2b2 3 b2 4b2 5b1 6b1 5b2 6b2 lp low power m a n a gement am0 8 6 8 4v1
STMUX7000 pin description doc id 17177 rev 3 5/20 l h bit 5,6 multiplexed to bus 2, bus 1in hi-z h x bus 1 and 2 in hi-z table 4. bit 5, 6 switch function table lp sel 2 function
maximum rating STMUX7000 6/20 doc id 17177 rev 3 2 maximum rating stressing the device above the rating listed in the ?absolute maximum ratings? table may cause permanent damage to the device. these are stress ratings only and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not imp lied. exposure to absolute ma ximum rating conditions for extended periods may affect device reliability. 2.1 recommended operating conditions table 5. absolute maximum ratings symbol parameter value unit v cc supply voltage to ground -0.5 to 4.6 v v io dc input output voltage -0.5 to 4.6 v v ic dc control input voltage -0.5 to 4.6 v i o dc output current (1) 1. if v io x i o does not exceed the maximum limit of p d . 120 ma p d power dissipation 0.5 w t stg storage temperature -65 to 150 c t l lead temperature (10 sec) 300 c table 6. recommended operating conditions symbol parameter value unit min typ max v cc supply voltage to ground 3 - 3.6 v v ic dc control input voltage (sel, lp) 0 - 5 v v io dc input/output voltage 0 - v cc v t a operating temperature -40 - 85 c
STMUX7000 electrical characteristics doc id 17177 rev 3 7/20 3 electrical characteristics table 7. dc electrical characteristics (v cc = 3.3 v 10%) symbol parameter test condition value unit -40 to 85 c min typ max v ih voltage input high (sel, lp) high level guaranteed 2 - - v v il voltage input low (sel, lp) low level guaranteed -0.5 - 0.8 v v ik clamp diode voltage (sel, lp) v cc = 3.6 v i in = -18 ma - -0.8 -1.2 v i ih input high current (sel, lp) v cc = 3.6 v v in = v cc --5a i il input low current (sel, lp) v cc = 3.6 v v in = gnd --5a ioff (sw) (1) leakage current through the switch common terminals (a to h) (led1 to led3) v cc = 3.6 v a to h = v cc led1 to led3 = v cc a0 to h0 = 0 v a1 to h1 = floating ledx_0 = 0 v ledx1 = floating sel = v cc --1a ioff (sel, lp) sel, lp pin leakage current v cc = 0 v sel = 0 to 3.6 v --1a r on switch on resistance (2) v cc = 3.0 v v in = 0 to 1.2 v i in = -40 ma -4.06.5 r flat on resistance flatness (2) (3) v cc = 3.0 v v in at 0 and 1.2v i in = -40 ma -0.5- r on on resistance match between channel r on = r onmax -r onmin (2)(4) v cc = 3.0 v v in = 0 to 1.2 v i in = -40 ma -0.41 1. refer to figure 4: test circuit for leakage current (ioff) on page 10 2. measured by voltage drop between channels at indicated curr ent through the switch. on resistance is determined by the lower of the voltages. 3. flatness is defined as the difference between the r onmax and r onmin of on resistance over the specified range. 4. r on measured at same v cc , temperature and voltage level.
electrical characteristics STMUX7000 8/20 doc id 17177 rev 3 table 8. capacitance (t a = 25 c, f = 1 mhz) table 9. power supply characteristics table 10. dynamic electrical characteristics (v cc = 3.3 v 10%) symbol parameter test condition value unit min typ max c in sel, lp pin input capacitance (1) 1. refer to figure 5 on page 11 . dc = 0.25 v ac = 0.5 v pp f=1mhz -23pf c off switch off capacitance (2) 2. refer to figure 6 on page 11 . dc = 0.25 v ac = 0.5 v pp f=1mhz -2.86.5pf c on switch on capacitance (3) 3. refer to figure 7 on page 12 . dc = 0.25 v ac = 0.5 v pp f=1mhz -7.8-pf symbol parameter test condition value unit -40 to 85 c min typ max i cc active mode power supply current v cc = 3.6 v, v in = v cc or gnd, lp = gnd - 150 500 a i cc low power mode power supply current v cc = 3.6 v, v in = v cc or gnd, lp = v cc -1015a symbol parameter test condition value unit -40 to 85 c min typ max x talk crosstalk (1) 1. refer to figure 9 on page 13 . r l = 50 , r s = 50 f = 250 mhz --45-db o irr off isolation (2) 2. refer to figure 10 on page 14 . r l = 50 , r s = 50 f = 250 mhz --32-db bw -3 db bandwidth (3) 3. refer to figure 8 on page 12 . r l = 50 , r s = 50 0 < v in 1.2 v -1000-mhz
STMUX7000 electrical characteristics doc id 17177 rev 3 9/20 table 11. switching characteristics (t a = 25 c, v cc = 3.3 v 10 % ) table 12. esd performance symbol parameter test condition value unit min typ max t pd propagation delay v cc = 3 to 3.6 v - 0.25 - ns t pzh , t pzl line enable time, se to x to x0 or x to x1 v cc = 3 to 3.6 v 1 k pull up/down resistor at xb1 or xb2 0.5 6.5 15 ns t phz , t plz line disable time, se to x to x0 or x to x1 v cc = 3 to 3.6 v 1 k pull up/down resistor at xb1 or xb2 0.5 16 ns t sk(o) output skew between center port to any other port v cc = 3 to 3.6 v - 0.1 0.2 ns t sk(p) skew between opposite transition of the same output (t phl , t plh ) v cc = 3 to 3.6 v - 0.1 0.2 ns symbol test condition value unit min typ max esd contact discharge (1) iec61000-4-2 1. refer to figure 3: diagram for sugges ted vdd decoupling on page 10 . -8-kv human body model (jesd22-a114) -8-kv
electrical characteristics STMUX7000 10/20 doc id 17177 rev 3 figure 3. diagram for suggested v dd decoupling 1. applicable for system level esd test figure 4. test circuit for leakage current (i off ) 3 4 11 vdd gnd 16 23 dut 28 29 31 32 vdd vdd vdd gnd vdd gnd note: 100nf capacitors must be used as local bypass capacitors between the adjacent vdd and gnd pairs (total 7) c=2uf or 4.7uf gnd i off(sw) sel vdd gnd 3.6 v 3.6 v 3.6 v float " " ! , lp
STMUX7000 electrical characteristics doc id 17177 rev 3 11/20 figure 5. test circuit for sel pin input capacitance (c in ) figure 6. test circuit for switch off capacitance (c off ) ,#2meter $#6 !#6pp f-(z $54 3%, 6 6$$ '.$ , lp ,#2meter $#6 !#6pp f-(z $54 3%, 6 6$$ '.$ ,or( (forchannel and,forchannel ! " "
electrical characteristics STMUX7000 12/20 doc id 17177 rev 3 figure 7. test circuit for switch on capacitance (c on ) figure 8. test circuit for bandwidth measurement (bw) frequency response is measured at the output of the on channel. for example, when v sel1 = 0 and a0 is the input, the output is measured at 0b1. all unused analog i/o ports are left open. hp8753es setup: average = 4 ,#2meter $#6 !#6pp f-(z $54 3%, 6 6$$ '.$ ,or( (forchannel and,forchannel ! " " a0 sel1 0b1
STMUX7000 electrical characteristics doc id 17177 rev 3 13/20 r bw = 3 khz v bias = 0.35 v st = 2 s p1 = 0 dbm figure 9. test circuit for crosstalk measurement (x talk ) crosstalk is measured at the output of the non-adjacent on channel. for example, when v sel1 = 0, and a1 is the input, the output is measured at a3. all unused analog input ports are connected to gnd and output ports are left open. hp8753es setup: average = 4 a0 a1 a2 a 3 s el1 3 b2 3 b1 2b1 1b2 0b2 101 0b1 am0 8 6 8 5v1 2b2
electrical characteristics STMUX7000 14/20 doc id 17177 rev 3 r bw = 3 khz v bias = 0.35 v st = 2 s p1 = 0 dbm figure 10. test circuit for off isolation measurement (o irr ) off isolation is measured at the output of the off channel. for example, when v sel1 = 0, and a1 is the input, the output is measured at 1b2. all unused analog input ports are connected to gnd and output ports are left open. hp8753es setup: average = 4 r bw = 3 khz v bias = 0.35 v st = 2 s p1 = 0 dbm a0 a1 1b2 sel1 1b1 0b1
STMUX7000 package mechanical data doc id 17177 rev 3 15/20 4 package mechanical data in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark. figure 11. package outline for qfn32l (3 x 6 x 0.8 mm) - pitch 0.4 mm a0bz_me
package mechanical data STMUX7000 16/20 doc id 17177 rev 3 table 13. mechanical data for qfn32l (3 x 6 x 0.8 mm) - pitch 0.4 mm symbol millimeters min typ max a 0.70 0.80 0.90 a1 0.00 0.05 0.08 a3 0.25 t 0.00 12.00 b 0.15 0.20 0.25 e0.40 e1 4.00 k0.75 d3.00 e6.00 l 0.25 0.30 0.35 d2 1.50 1.60 1.79 e2 3.80 3.90 4.00
STMUX7000 package mechanical data doc id 17177 rev 3 17/20 figure 12. footprint recommendation a0bz_fr
package mechanical data STMUX7000 18/20 doc id 17177 rev 3 figure 13. carrier tape and reel information a0bz_ct 1.75 s ee note 3 .10
STMUX7000 revision history doc id 17177 rev 3 19/20 5 revision history table 14. document revision history date revision changes 23-apr-2010 1 initial release. 16-jun-2010 2 modified: figure 12 . 09-mar-2011 3 updated: ta b l e 8 , ta b l e 1 1 and ta b l e 1 2 .
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