PI74LPT16240 3.3V 16-BIT BUFFER/LINE DRIVER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI74LPT16240 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Fast CMOS 3.3V 16-Bit Buffer/Line Driver Product Features: 1 2 * Compatible with LCXTM and LVTTM families of products * Supports 5V Tolerant Mixed Signal Mode Operation - Input can be 3V or 5V - Output can be 3V or connected to 5V bus * Advanced Low Power CMOS Operation * Excellent output drive capability: Balanced drives (24 mA sink and source) * Pin compatible with industry standard double-density pinouts * Low ground bounce outputs * Hysteresis on all inputs * Industrial operating temperature range: -40C to +85C * Multiple center pins and distributed Vcc/GND pins minimize switching noise * Packages available: - 48-pin 240 mil wide thin plastic TSSOP (A) - 48-pin 300 mil wide plastic SSOP (V) Product Description: Pericom Semiconductor's PI74LPT series of logic circuits are produced in the Company's advanced 0.6 micron CMOS technology, achieving industry leading speed grades. 3 The PI74LPT16240 is an inverting 16-bit buffer/line driver designed for applications driving high-capacitance loads and low impedance backplanes. This high-speed, low power device offers bus/backplane interface capability and a flow-through organization for ease of board layout. This device is designed with three-state controls to operate in a Quad-Nibble, Dual-Byte, or a single 16-bit word mode. 4 The PI74LPT16240 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. 5 6 7 Logic Block Diagram 1OE 8 3OE 1A0 1Y0 3A0 3Y0 1A1 1Y1 3A1 3Y1 9 10 1A2 1Y2 3A2 3Y2 11 1A3 1Y3 3A3 3Y3 12 2OE 4OE 13 2A0 2Y0 4A0 4Y0 2A1 2Y1 4A1 4Y1 2A2 2Y2 4A2 4Y2 2A3 2Y3 4A3 4Y3 14 15 1 PS2066A 01/15/97 PI74LPT16240 3.3V 16-BIT BUFFER/LINE DRIVER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Product Pin Description Pin Name XOE xAx xYx GND VCC Truth Table Inputs(1) Description 3-State Output Enable Inputs (Active LOW) Inputs 3-State Outputs Ground Power XOE L L H Outputs(1) xYx H L Z xAx L H X NOTE: 1. H = High Voltage Level, X = Don't Care, L = Low Voltage Level, Z = High Impedance Product Pin Configuration 1OE 1 48 2OE 1Y0 2 47 1 A0 1Y1 3 46 1 A1 GND 4 45 GND 1Y2 5 44 1 A2 1Y3 6 43 1 A3 VCC 7 42 VCC 2Y0 8 41 2 A0 2Y1 9 40 2 A1 GND 10 39 GND 2Y2 11 38 2 A2 2Y3 12 37 2 A3 3Y0 13 36 3 A0 3Y1 14 35 3 A1 GND 15 34 GND 3Y2 16 33 3 A2 3Y3 17 32 3 A3 VCC 18 31 VCC 4Y0 19 30 4 A0 4Y1 20 29 4 A1 GND 21 28 GND 4Y2 22 27 4 A2 4Y3 23 26 4 A3 4OE 24 25 3OE 48-PIN V48 A48 Capacitance (TA = 25C, f = 1 MHz) Parameters(1) CIN COUT Description Test Conditions Typ Max. Units Input Capacitance Output Capacitance VIN = 0V VOUT = 0V 4.5 5.5 6 8 pF pF Note: 1. This parameter is determined by device characterization but is not production tested. 2 PS2066A 01/15/97 PI74LPT16240 3.3V 16-BIT BUFFER/LINE DRIVER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature ............................................................. -55C to +125C 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 .............................................................................. 120 mA 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. VIH IOZH IOZL VIK IODH IODL VOH Input HIGH Voltage (Input pins) Input HIGH Voltage (I/O pins) Input LOW Voltage (Input and I/O pins) Input HIGH Current (Input pins) Input HIGH Current (I/O pins) Input LOW Current (Input pins) Input LOW Current (I/O pins) High Impedance Output Current (3-State Output pins) Clamp Diode Voltage Output HIGH Current Output LOW Current Output HIGH Voltage VOL Output LOW Voltage IOS IOFF VH Short Circuit Current(4) Power Down Disable Input Hysteresis VIL IIH IIL Test Conditions(1) Description Guaranteed Logic HIGH Level Guaranteed Logic LOW Level Min. Typ(2) Max. Units 2.2 2.0 -0.5 -- -- -- 5.5 5.5 0.8 V V V -- -- -- -- -- -- -0.7 -60 90 -- 3.0 3.0 -- -- 0.2 0.3 -85 -- 150 1 1 1 1 1 1 -1.2 -110 200 -- -- -- -- 0.2 0.4 0.5 -240 100 -- A A A A A A V mA mA V V V VCC = Max. VIN = 5.5V -- VCC = Max. VIN = VCC -- VCC = Max. VIN = GND -- VCC = Max. VIN = GND -- VCC = Max. VOUT = 5.5V -- VCC = Max. VOUT = GND -- VCC = Min., IIN = -18 mA -- VCC = 3.3V, VIN = VIH or VIL, VO = 1.5V(3) -36 VCC = 3.3V, VIN = VIH or VIL, VO = 1.5V(3) 50 VCC = Min. IOH = -0.1 mA Vcc-0.2 VIN = VIH or VIL IOH = -3 mA 2.4 VCC = 3.0V, IOH = -8 mA 2.4(5) VIN = VIH or VIL IOH = -24 mA 2.0 VCC = Min. IOL = 0.1 mA -- VIN = VIH or VIL IOL = 16 mA -- IOL = 24 mA -- VCC = Max.(3), VOUT = GND -60 VCC = 0V, VIN or VOUT 4.5V -- -- 2 3 4 DC Electrical Characteristics (Over the Operating Range, TA = -40C to +85C, VCC = 2.7V to 3.6V) Parameters 1 V V V mA A mV 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 and maximum loading. 3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second. 4. This parameter is guaranteed but not tested. 5. VOH = VCC - 0.6V at rated current. 5 6 7 8 9 10 11 12 13 14 15 3 PS2066A 01/15/97 PI74LPT16240 3.3V 16-BIT BUFFER/LINE DRIVER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Power Supply Characteristics Parameters Description Test Conditions(1) Min. Typ(2) Max. Units ICC Quiescent Power Supply Current VCC = Max. VIN = GND or VCC 0.1 10 A ICC Quiescent Power Supply Current TTL Inputs HIGH VCC = Max. VIN = VCC - 0.6V(3) 2.0 30 A ICCD Dynamic Power Supply(4) VCC = Max., Outputs Open XOE = GND One Bit Toggling 50% Duty Cycle VIN = VCC VIN = GND 50 75 A/ MHz IC Total Power Supply Current(6) VCC = Max., Outputs Open fI = 10 MHZ 50% Duty Cycle XOE = GND One Bit Toggling VIN = VCC - 0.6V VIN = GND 0.6 2.3 mA VCC = Max., Outputs Open fI = 2.5 MHZ 50% Duty Cycle XOE = GND 16 Bits Toggling VIN = VCC - 0.6V VIN = GND 2.1 4.7(5) Notes: 1. For Max. or Min. condition, use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at Vcc = 3.3V, +25C ambient. 3. Per TTL driven input; all other inputs at Vcc or GND. 4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations. 5. Values for these conditions are examples of the Icc formula. These limits are guaranteed but not tested. 6. IC =IQUIESCENT + IINPUTS + IDYNAMIC IC = ICC + ICC DHNT + ICCD (fCP/2 + fINI) ICC = Quiescent Current (ICCL, ICCH and ICCZ) ICC = Power Supply Current for a TTL High Input DH = Duty Cycle for TTL Inputs High NT = Number of TTL Inputs at DH ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL) fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices) NCP = Number of Clock Inputs at fCP fI = Input Frequency NI = Number of Inputs at fI All currents are in milliamps and all frequencies are in megahertz. 4 PS2066A 01/15/97 PI74LPT16240 3.3V 16-BIT BUFFER/LINE DRIVER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Switching Characteristics over Operating Range(1) Description Conditions(2) tPLH tPHL Propagation Delay XAX to XYX CL = 50 pF RL = 500 tPZH tPZL Output Enable Time xOE to xYx Parameters tPHZ tPLZ Output Disable Time xOE to xYx tSK(o) Output Skew(5) LPT16240 LPT16240A LPT16240C Com. Com. Com. 1 Min(3) Max Min(3) Max Min(3) Max Unit 1.5 4.9 1.5 4.8 1.5 4.3 ns 1.5 7.0 1.5 6.2 1.5 5.8 ns 2 3 (4) 1.5 7.0 0.5 1.5 5.6 0.5 1.5 5.2 ns 0.5 ns Notes: 1. Propagation Delays and Enable/Disable times are with Vcc = 3.3V 0.3V, normal range. For Vcc = 2.7V, extended range, all Propagation Delays and Enable/Disable times should be degraded by 20%. 2. See test circuit and wave forms. 3. Minimum limits are guaranteed but not tested on Propagation Delays. 4. This parameter is guaranteed but not production tested. 5. Skew between any two outputs, of the same package, switching in the same direction. This parameter is guaranteed by design. 4 5 6 7 8 9 10 11 12 13 14 15 Pericom Semiconductor Corporation 2380 Bering Drive * San Jose, CA 95131 * 1-800-435-2336 * Fax (408) 435-1100 * http://www.pericom.com 5 PS2066A 01/15/97