PI74FCT163244 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Fast CMOS 3.3V 16-Bit Buffer/Line Driver Product Features Product Description • Advanced Low Power CMOS Operation • Can serve as a 5V to 3V translator • Excellent output drive capability: Balanced drives (24 mA sink and source) Compatible with LVCTM class of products • Pin compatible with industry standard double-density pinouts • Low ground bounce outputs • Hysteresis on all inputs • Industrial operating temperature range: 40°C to +85°C • Inputs can be driven by 3.3V or 5V devices • Multiple center pin and distributed VCC/GND pins minimize switching noise • Packages available: 48-pin 240 mil wide plastic TSSOP (A) 48-pin 300 mil wide plastic SSOP (V) 48-pin 173 mil wide plastic TVSOP (K) • Device models available on request Pericom Semiconductors PI74FCT series of logic circuits are produced in the companys advanced 0.6 micron CMOS technology, achieving industry leading speed grades. The PI74FCT163244 is a 16-bit buffer/line driver designed for applications driving high capacitive 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. Logic Block Diagram 1OE 3OE 1A0 1Y0 3A0 3Y0 1A1 1Y1 3A1 3Y1 1A2 1Y2 3A2 3Y2 1A3 1Y3 3A3 3Y3 2OE 4OE 2A0 2Y0 4A0 4Y0 2A1 2Y1 4A1 4Y1 2A2 2Y2 4A2 4Y2 2A3 2Y3 4A3 4Y3 1 PS2052B 01/18/99 PI74FCT163244 3.3V 16-BIT BUFFER/LINE DRIVER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Truth Table Product Pin Description Pin Name xOE xAx xYx GND VCC Inputs(1) Description 3-State Output Enable Inputs (Active LOW) Inputs 3-State Outputs Ground Power XOE L L H 1 48 2OE 1Y0 2 3 4 47 46 45 1A0 44 43 1A2 1Y3 5 6 VCC 7 42 VCC 8 9 10 41 40 39 2A0 38 37 2A2 1Y1 GND 1Y2 2Y0 2Y1 GND 2Y2 48-PIN V48 A48 K48 1A1 GND 1A3 2A1 GND 2Y3 11 12 3Y0 13 36 3A0 3Y1 35 34 3A1 GND 14 15 3Y2 16 33 3A2 3Y3 VCC 17 18 32 31 3A3 4Y0 19 30 4A0 4Y1 29 28 4A1 GND 20 21 4Y2 22 27 4A2 4Y3 23 24 26 25 4A3 4OE xAx L H X Notes: 1. H = High Voltage Level X = Dont Care L = Low Voltage Level Z = High Impedance Product Pin Configuration 1OE Outputs(1) xYx L H Z 2A3 GND VCC GND 3OE Capacitance (TA = 25°C, f = 1 MHz) Parameters(1) CIN COUT Description Test Conditions Input Capacitance Output Capacitance VIN = 0V VOUT = 0V Typ. Max. Units 4.5 5.5 6 8 pF pF Note: 1. This parameter is determined by device characterization but is not production tested. 2 PS2052B 01/18/99 PI74FCT163244 3.3V 16-BIT BUFFER/LINE DRIVER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature .......................................................... 65°C to +150°C Ambient Temperature with Power Applied ......................... 40°C to +85°C 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. DC Electrical Characteristics (Over the Operating Range, TA = 40°C to +85°C, VCC = 2.7V to 3.6V) Parameters VIH Description 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 VIL IIH IIL Test Conditions(1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level Min. Typ(2) Max. Units 2.2 2.0 0.5 5.5 Vcc+0.5 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 µA µA µA µA µA µA V mA mA V V V V V V V mA mV VCC = Max. VIN = 5.5V VCC = Max. VIN = VCC VCC = Max. VIN = GND VCC = Max. VIN = GND VCC = Max. VOUT = VCC VCC = Max. VOUT = GND VCC = Min., IIN = 18 mA (3) VCC = 3.3V, VIN = VIH or VIL, VO = 1.5V 36 VCC = 3.3V, VIN = VIH or VIL, VO = 1.5V(3) 50 VCC = Min. IOH = 0.1mA Vcc-0.2 VIN = VIH or VIL IOH = 3mA 2.4 VCC = 3.0V, IOH = 8mA 2.4(5) VIN = VIH OR VIL IOH = 24mA 2.0 VCC = Min. IOL = 0.1mA VIN = VIH or VIL IOL = 16mA IOL = 24mA VCC = Max.(3), VOUT = GND 60 IOS Short Circuit Current(4) VH Input Hysteresis 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, +25°C 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. 3 PS2052B 01/18/99 PI74FCT163244 3.3V 16-BIT BUFFER/LINE DRIVER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Power Supply Characteristics Parameters Description ICC Quiescent Power Supply Current Test Conditions(1) Min. Typ.(2) Max. Units VCC = Max. VIN = GND or VCC 0.1 10 µA 2.0 30 µA ∆ICC Quiescent Power Supply Current TTL Inputs HIGH VCC = Max. VIN = VCC 0.6V(3) ICCD Dynamic Power Supply(4) VCC = Max., Outputs Open XOE = GND One Bit Toggling 50% Duty Cycle VIN = VCC VIN = GND 50 75 µA/ 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 0.5 0.8 mA VCC = Max., Outputs Open fI = 2.5 MHZ 50% Duty Cycle XOE = GND 16 Bits Toggling VIN = VCC 0.6V VIN = GND 2.0 3.3(5) Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at Vcc = 3.3V, +25°C 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 PS2052B 01/18/99 PI74FCT163244 3.3V 16-BIT BUFFER/LINE DRIVER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Switching Characteristics over Operating Range(1) FCT163244 FCT163244A Com. Com. Max. Min.(3) 1.5 6.5 Com. Description Conditions(2) tPLH tPHL Propagation Delay XAX to XYX CL = 50 pF RL = 500 Ω tPZH tPZL Output Enable Time xOE to xYx 1.5 8.0 1.5 6.2 1.5 5.8 ns tPHZ tPLZ Output Disable Time(4) xOE to xYx 1.5 7.0 1.5 5.6 1.5 5.2 ns tSK(o) Output Skew(5) 0.5 ns Parameters Min.(3) FCT163244C 0.5 Max. Min.(3) Max. Units 1.5 4.8 1.5 4.1 ns 0.5 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. Pericom Semiconductor Corporation 2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com 5 PS2052B 01/18/99