PI5C16209 Ω) PI5C162209 (25Ω 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 18-Bit Bus Exchange Switch Product Features Product Description Near-zero propagation delay 5W switches connect inputs to outputs Direct bus connection when switches are ON Ultra-low quiescent power (0.2µA typical) Ideally suited for notebook applications Industrial operating temperature: 40°C to +85°C Available Packages: 48-pin 240-mil wide thin plastic TSSOP (A) 48-pin 300-mil wide plastic SSOP (V) Pericom Semiconductors PI5C series of logic circuits are produced using the Companys advanced 0.8 micron CMOS technology. Logic Block Diagram Product Pin Configuration The PI5C16209 and PI5C162209 are 18-bit bus exchange switches designed with a low ON resistance (5Ω) allowing inputs to be connected directly to outputs. This device operates as a 18-bit bus switch or a 9-bit exchanger, which provides data exchanging between the four signal ports via the data select pins (S0-S2). The PI5C162209 device has a built-in 25-ohm series resistor to reduce noise because of reflections, thus eliminating the need for an external terminating resistor. S0 1A1 ONE OF NINE CHANNELS 1 B1 1A1 1A 2 GND 2A1 2 A2 1 B2 1A2 VCC 3A1 3A2 FLOW CONTROL GND 4A1 4A 2 5 A1 5A 2 S0 S1 S2 GND 6A1 Truth Table 6A2 Function Disconnect A1 to B1 A1 to B2 A2 to B1 A2 to B2 Disconnect S2 L L L L H H S1 L L H H L L S0 L H L H L H A1 Z B1 B2 Z Z Z A2 Z Z Z B1 B2 Z A1 to B1, A2 to B2 A1 to B2, A2 to B1 H H H H L H B1 B2 B2 B1 Note: 7A1 7A2 GND 8A1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 9 A1 21 22 23 9A 2 24 8A 2 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 S1 S2 1B1 1B 2 2B1 2B 2 GND 3B1 3B2 GND 4B1 4B2 5B 1 5B2 GND 6B1 32 31 30 6B 2 29 28 27 GND 26 25 7B1 7B2 8B1 8B 2 9B1 9B 2 Product Pin Description Pin Name S0-S2 xAx xBx 1. H = High Voltage Level L = Low Voltage Level Z = High Impedance 1 I/O I I/O I/O Description Select Inputs Bus A Bus B PS7022A 03/13/96 PI5C16209/162209 18-BIT BUS-EXCHANGE SWITCH 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 .............................................................................. 120mA Power Dissipation ................................................................................... 0.5W 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 = 5V ±5%) Test Conditions(1) Parameters Description Min. Typ(2) Max. Units VIH Input HIGH Voltage Guaranteed Logic HIGH Level 2.0 — — V VIL Input LOW Voltage Guaranteed Logic LOW Level –0.5 — 0.8 V IIH Input HIGH Current VCC = Max., VIN = VCC — — ±1 µA IIL Input LOW Current VCC = Max., VIN = GND — — ±1 µA IOZH High Impedance Output Current 0 ≤ A, B ≤ VCC — — ±1 µA VIK Clamp Diode Voltage VCC = Min., IIN = –18mA — –0.7 –1.2 V A (B) = 0V, B (A) = VCC 100 — — mA — 150 — mV 16209 — 5 7 Ω 162209 20 28 40 16209 — 10 15 162209 20 35 48 (3) IOS Short Circuit Current VH Input Hysteresis at Control Pins RON Switch On Resistance (4) VCC = Min., VIN = 0.0V, ION = 48mA VCC = Min., VIN = 2.4V, ION = 15mA Ω Capacitance (TA = 25°C, f = 1 MHz) Parameters(5) Description Test Conditions Typ Max. Units CIN COFF Input Capacitance A/B Capacitance, Switch Off VIN = 0V VIN = 0V — — 6 6 pF pF CON A/B Capacitance, Switch On VIN = 0V — 8 pF 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 = 5.0V, TA = 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. Measured by the voltage drop between A and B pin at indicated current through the switch. ON resistance is determined by the lower of the voltages on the two (A,B) pins. 5. This parameter is determined by device characterization but is not production tested. 2 PS7022A 03/13/96 PI5C16209/162209 18-BIT BUS-EXCHANGE SWITCH 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Power Supply Characteristics Test Conditions(1) Parameters Description Min. Typ(2) Max. Units ICC Quiescent Power Supply Current VCC = Max. VIN = GND or VCC — 0.1 3.0 µA ∆ICC Supply Current per Input @ TTL HIGH VCC = Max. VIN = 3.4V(3) — — 2.5 mA ICCD Supply Current per Input per MHz(4) VCC = Max., A and B Pins Open Sn = GND Control Input Toggling 50% Duty Cycle — — 0.25 mA/ MHz Notes: 1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at Vcc = 5.0V, +25°C ambient. 3. Per TTL driven input (VIN = 3.4V, control inputs only); A and B pins do not contribute to Icc. 4. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified frequency. The A and B inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is guaranteed by design. PI5C16209 Switching Characteristics over Operating Range PI5C16209 Com. Parameters tPLH tPHL tPZH tPZL tPHZ tPLZ Conditions Min Max CL = 50pF RL = 500Ω 0.25 1.5 6.5 1.5 5.5 (1) Description Propagation Delay xAx to xBx, xBx to xAx Bus Enable Time S to xAx or xBx Bus Disable Time S to xAx or xBx (2,3) Units ns PI5C162209 Switching Characteristics over Operating Range PI5C162209 Com. Parameters tPLH tPHL tPZH tPZL tPHZ tPLZ Description Conditions Min Max Units CL = 50pF RL = 500Ω 1.25 ns 1.5 6.5 ns 1.5 5.5 ns (1) Propagation Delay xAx to xBx, xBx to xAx Bus Enable Time S to xAx or xBx Bus Disable Time S to xAx or xBx (2,3) Notes: 1. See test circuit and waveforms. 2. This parameter is guaranteed but not tested on Propagation Delays. 3. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and the load capacitance. The time constant for the switch alone is of the order of 0.25ns for 50pF load. Since this time constant is much smaller than the rise/fall times of typical driving signals, it adds very little propagational delay to the system. Propagational delay of the bus switch when used in a system is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side. Pericom Semiconductor Corporation 2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com 3 PS7022A 03/13/96