PI74LCX16240 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Fast CMOS 3.3V 16-Bit Buffer/Line Driver Product Features Product Description • Functionally compatible with FCT3, LVT, and 74 series 16240 families of products • Tri-State outputs • 5V Tolerant inputs and outputs • 2.0V-3.6V VCC supply operation • Balanced sink and source output drives (24 mA) • Low ground bounce outputs • Supports live insertion • ESD Protection exceeds 2000V, Human Body Model 200V, Machine Model • Packages available: – 48-pin 240-mil wide plastic TSSOP (A) – 48-pin 300-mil wide plastic SSOP (V) Pericom Semiconductor’s PI74LCX series of logic circuits are produced in the Company’s advanced 0.6 micron CMOS technology, achieving industry leading speed grades. The PI74LCX16240 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. The PI74LCX16240 can be driven from either 3.3V or 5.0V devices allowing this device to be used as a translator in a mixed 3.3V/5.0V system. Logic Block Diagram 1OE 3OE 1A 0 1Y 0 3A0 3Y0 1A 1 1Y 1 3A1 3Y1 1A 2 1Y 2 3A2 3Y2 1A 3 1Y 3 3A3 3Y3 2OE 4OE 2A 0 2Y 0 4A0 4Y0 2A 1 2Y 1 4A1 4Y1 2A 2 2Y 2 4A2 4Y2 2A 3 2Y 3 4A3 4Y3 1 PS2086A 02/11/97 PI74LCX16240 3.3V 16-BIT BUFFER/LINE DRIVER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Truth Table(1) Product Pin Description Pin Name Description Inputs(1) xOE 3-State Output Enable Inputs (Active LOW) XAX Outputs(1) xOE xAx xYx Inputs L L H XYX 3-State Outputs L H L GND Ground H X Z VCC Power 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 47 46 45 1 A0 GND 2 3 4 GND 1Y2 5 44 1 A2 1Y3 43 42 1 A3 VCC 6 7 VCC 2Y0 8 41 2 A0 2Y1 GND 9 10 40 39 2 A1 GND 2Y2 11 1Y1 1 A1 2Y3 48-PIN 38 V48 12 A48 37 3Y0 13 36 3 A0 3Y1 14 15 35 34 3 A1 16 17 33 32 18 31 19 20 21 30 29 28 27 26 4 A2 4Y3 22 23 4OE 24 25 3OE GND 3Y2 3Y3 VCC 4Y0 4Y1 GND 4Y2 2 A2 2 A3 GND 3 A2 3 A3 VCC 4 A0 4 A1 GND 4 A3 2 PS2086A 02/11/97 PI74LCX16240 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 ............................................................ –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 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. Power Dissipation ................................................................................... 1.0W Recommended Operating Conditions Symbol VCC Parameter Supply Voltage VI Input Voltage VO Output Voltage IOH/IOL TA ∆t/∆V Output Current Min. Max. Operating 2.0 3.6 Data Retention 1.5 3.6 0 5.5 HIGH or LOW State 0 VCC TRI-State 0 5.5 VCC = 3.0V-3.6V ±24 VCC = 2.7V ±12 −40 +85 °C 0 10 ns/V Free-Air Operating Temperature Input Edge Rate V = 0.8V-2.0V, VCC = 3.0V 3 Units V mA PS2086A 02/11/97 PI74LCX16240 3.3V 16-BIT BUFFER/LINE DRIVER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 DC Electrical Characteristics (Over the Operating Range, TA = −40°C to +85°C, VCC = 2.7V to 3.6V) Parameters Description Test Conditions(1) Min. Typ(2) Max. VIH Input HIGH Voltage Guaranteed Logic HIGH Level 2.0 — — VIL Input LOW Voltage Guaranteed Logic LOW Level — — 0.8 VOH Output HIGH Voltage VCC = 2.7-3.6 IOH = –0.1 mA VCC-0.2 — — VCC = 2.7 IOH = –12 mA 2.2 — — VCC = 3.0 IOH = –18 mA 2.4 — — IOH = –24 mA 2.2 — — VCC = 2.7-3.6 IOL = 0.1 mA — — 0.2 VCC = 2.7 IOL = 12mA — — 0.4 VCC = 3.0 IOL = 16 mA — — 0.4 IOL = 24 mA — — 0.55 — −0.7 −1.2 VOL Output LOW Voltage VIK Clamp Diode Voltage VCC = Min., IIN = –18 mA II Input Leakage Current 0 ≤ VI ≤ 5.5V Vcc = 2.7-3.6 — — ±5 IOZ Tri-State Output Leakage 0 ≤ VO ≤ 5.5V VI = VIH or VIL VCC = 2.7-3.6 — — ±5 IOFF Power Down Disable VCC = 0V, VIN or VOUT ≤ 5.5V — — 10 ICC Quiescent Power Supply Current VCC = Max. VIN = GND or VCC 0.1 10 ∆ICC Quiescent Power Supply Current TTL Inputs HIGH VCC = Max. VIN = VCC – 0.6V(3) 500 Units V µA 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. 3. Per TTL driven input; all other inputs at Vcc or GND. Capacitance Parame te rs De s cription Te s t Conditions CIN Input Capacitance VCC = Open, VI = 0V or VCC 7 COUT Output Capacitance VCC = 3.3V, VI = 0V or VCC 8 CPD Power Dissipation Capacitance VCC = 3.3V, VI = 0V or VCC, F = 10 MHz 20 4 Typ. Units pF PS2086A 02/11/97 PI74LCX16240 3.3V 16-BIT BUFFER/LINE DRIVER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Switching Characteristics over Operating Range VCC = 3.3V ± 0.3V Parameters VCC = 2.7V Description Conditions Min. Max. Min. Max. tPLH tPHL Propagation Delay DXX to OXX CL = 50pF RL = 500Ω 1.5 4.8 1.5 5.6 tPZH tPZL Output Enable time 1.5 5.4 1.5 6.0 tPHZ tPLZ Output Disable Time 1.5 5.3 1.5 5.4 Output Skew(1) 1.0 tSK(O) Units ns Note: 1. Skew between any two outputs, of the same package, switching in the same direction. Dynamic Switching Characteristics (TA = +25°C) Description Test Conditions(1) VOLP Dynamic LOW Peak Voltage VOLV Dynamic LOW Valley Voltage Parameters Typical Units VCC = 3.3V, CL = 50 pF VIH = 3.3V, VIL = 0V 0.8 V VCC = 3.3V, CL = 50 pF VIH = 3.3V, VIL = 0V 0.8 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. Pericom Semiconductor Corporation 2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com 5 PS2086A 02/11/97