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21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI74LCX16373 Fast CMOS 3.3V 16-Bit Transparent Latch Product Features * Functionally compatible with FCT3, LVT, and 74 series 16373 families of products * 3-State outputs * 5V Tolerant inputs and outputs * 2.0V-3.6V VCC supply operation * Balanced sink and source output drives (24mA) * Low ground bounce outputs * Power down High Impedance inputs and outputs * Supports live insertion * ESD Protection exceeds 2000V, Human Body Model 200V, Machine Model * Packages (Pb-free available): - 48-pin 240-mil wide plastic TSSOP (A) - 48-pin 300-mil wide plastic SSOP (V) Product Description Pericom Semiconductor's PI74LCX series of logic circuits are produced using the Company's advanced 0.6 micron CMOS technology, achieving industry leading speed grades. The PI74LCX16373 is a 16-bit transparent latch designed with 3-state outputs and are intended for bus oriented applications. The Output Enable and Latch Enable controls are organized to operate as two 8-bit latches or one 16-bit latch. When Latch Enable (LE) is HIGH, the flip-flops appear transparent to the data. The data that meets the set-up time when LE is LOW is latched. When OE is HIGH, the bus output is in the high impedance state. The PI74LCX16373 can be driven from either 3.3V or 5.0V devices allowing this device to be used as a translator in a mixed 3.3/5.0V system. Logic Block Diagram 1OE 2OE 1LE 2LE 1D0 D Q C 1O0 2D0 D Q C 2O0 TO 7 OTHER CHANNELS TO 7 OTHER CHANNELS 1 PS2089C 06/27/03 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI74LCX16373 3.3V 16-Bit Transparent Latch Product Pin Description Pin Name xOE XLE XDX XOX Truth Table(1) Inputs ( 1 ) xOE L L H L xLE H H X L xDx H L X X Outputs ( 1 ) xOx H L Z O0 De s cription 3- State Output Enable Inputs (Active LOW) Latch Enable Inputs (Active HIGH) Data Inputs 3- State Outputs Ground Power GND VCC Product Pin Configuration Note: 1. H = X= L= Z= O0 = 48 47 46 45 44 43 42 41 1LE 1D0 1D1 1OE 1O0 1O1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 High Voltage Level Don't Care Low Voltage Level High Impedance Previous O0 before HIGH-to-LOW transition of Latch Enable GND 1O2 1O3 GND 1D2 1D3 VCC 1O4 1O5 VCC 1D4 1D5 GND 1O6 1O7 2O0 2O1 40 39 48-Pin 38 A, V 37 36 35 34 33 32 31 30 29 28 27 26 25 GND 1D6 1D7 2D0 2D1 GND 2O2 2O3 GND 2D2 2D3 VCC 2O4 2O5 VCC 2D4 2D5 GND 2O6 2O7 2OE GND 2D6 2D7 2LE 2 PS2089C 06/27/03 Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature .......................................................... -65C to +150C Ambient Temperature with Power Applied ..........................-40C to +85C Supply Voltage to Ground Potential (Inputs & Vcc Only) .... -0.5V to +7.0V Supply Voltage to Ground Potential (Outputs & D/O Only) . -0.5V to +7.0V DC Input Voltage ................................................................... -0.5V to +7.0V DC Output Current ............................................................................ 120mA Power Dissipation ................................................................................. 1.0W Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI74LCX16373 3.3V 16-Bit Transparent Latch Recommended Operating Conditions Symbol VCC VI VO IOH/IOL TA Parame te r Supply Voltage Input Voltage Output Voltage Output Current Free- Air Operating Temperature Input Edge Rate V = 0.8V- 2.0V, VCC = 3.0V HIGH or LOW State 3- State VCC = 3.0V- 3.6V VCC = 2.7V Operating Data Retention M in. 2.0 1.5 0 0 0 -- -- -40 0 M a x. 3.6 3.6 5.5 VCC 5.5 24 12 +85 10 mA C ns/V V Units t/V 3 PS2089C 06/27/03 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI74LCX16373 3.3V 16-Bit Transparent Latch DC Electrical Characteristics (Over the Operating Range, TA = -40C to +85C, VCC = 2.7V to 3.6V) Parame te rs VIH VIL VOH De s cription Input HIGH Voltage Input LOW Voltage Output HIGH Voltage Te s t Conditions (1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VC C = 2.7- 3.6 VC C = 2.7 VC C = 3.0 IO H = -0.1mA IO H = -12 mA IO H = -16 mA IO H = -24 mA VO L Output LOW Voltage VC C = 2.7- 3.6 VC C = 2.7 VC C = 3.0 IO L = 0.1mA IO L = 12mA IO L = 16mA IOL = 24mA VIK II IO Z IO F F IC C Clamp Diode Voltage Input Leakage Current Tri- State Output Leakage Power Down Disable Quiescent Power Supply Current Quiescent Power Supply Current TTL Inputs HIGH VC C = Min., IIN = -18mA 0 VI 5.5V 0 VO 5.5V VI = VIH or VIL VC C = 2.7- 3.6 VC C = 2.7- 3.6 M in. 2.0 -- VC C - 0.2 2.2 2.4 2.2 -- -- -- -- -- -- -- -- -- -- Typ(2) -- -- -- -- -- -- -- -- -- -- -0 . 7 -- -- -- 0.1 -- M ax. -- 0.8 -- -- -- -- 0.2 0.4 0.4 0.55 -1.2 5 5 10 10 500 A V Units VC C = 0V, VIN or VO UT 5.5V VC C = Max. VC C = Max. VIN = GND or VC C VIN = VC C - 0.6V(3) IC C Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 3.3V, +25C ambient. 3. Per TTL driven input; all other inputs at VCC or GND. Capacitance Parame te rs CIN COUT C PD De s cription Input Capacitance Output Capacitance Power Dissipation Capacitance Te s t Conditions VCC = Open, VI = 0V or VCC VCC = 3.3V, VI = 0V or VCC VCC = 3.3V, VI = 0V or VCC, F = 10 MHz Typ. 7 8 20 pF Units 4 PS2089C 06/27/03 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI74LCX16373 3.3V 16-Bit Transparent Latch Switching Characteristics over Operating Range VCC = 3.3V 0.3V Parame te rs tPHL tPLH tPHL tPLH tPZL tPZH tPLZ tPHZ tS tH tW tSK(O) De s cription Propagation Delay Dn to On Propagation Delay LE to On Output Enable time Output Disable Time Setup time, Dn to LE Hold time, Dn to LE LE Pulse Width Output Skew(1) C L = 50pF RL = 500 Conditions M in. 1.5 1.5 1.5 1.5 2.5 1.5 3.0 M a x. 5.4 5.5 6.1 6.0 1.0 VCC =2.7V M in. 1.5 1.5 1.5 1.5 2.5 1.5 3.0 M a x. 5.9 6.4 6.5 6.3 ns Units Note: 1. Skew between any two outputs, of the same package, switching in the same direction. Dynamic Switching Characteristics (TA = +25C) Parame te rs VOLP VOLV De s cription Dynamic LOW Peak Voltage Dynamic LOW Valley Voltage Te s t Conditions (1) VCC = 3.3V, CL = 50pF VIH = 3.3V, VIL = 0V Typ. 0.8 0.8 Units V Note: 1. Measured with n-1 outputs switching from High-to-Low or Low-to-High. The remaining output is measured in the LOW state. 5 PS2089C 06/27/03 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI74LCX16373 3.3V 16-Bit Transparent Latch Packaging Mechanical: 48-Pin TSSOP (A) Package 48 .236 .244 6.0 6.2 1 .488 12.4 .496 12.6 .047 1.20 Max SEATING PLANE .004 0.09 .008 0.20 0.45 .018 0.75 .030 .319 BSC 8.1 X.XX X.XX DENOTES DIMENSIONS IN MILLIMETERS .0197 BSC 0.50 .007 .010 0.17 0.27 .002 .006 0.05 0.15 Packaging Mechanical: 48-Pin SSOP (V) Package 48 .291 .299 7.39 7.59 .395 .420 10.03 10.67 Gauge Plane .010 0.25 1 .620 .630 15.75 16.00 .02 0.51 .04 1.01 .008 0.20 Nom. .015 0.381 x 45 .025 0.635 .110 2.79 Max .025 BSC 0.635 X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS .008 0.20 .0135 0.34 0-8 .008 0.20 .016 0.40 Ordering Information Orde ring Code PI74LCX16373A PI74LCX16373V De s cription 48- Pin 240- mil wide Plastic TSSOP (A) 48- Pin 300- mil wide Plastic SSOP (V) Pericom Semiconductor Corporation 2380 Bering Drive * San Jose, CA 95131 * 1-800-435-2336 * Fax (408) 435-1100 * http://www.pericom.com 6 PS2089C 06/27/03 |
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