PI74FCT861T/863T/864T BUS TRANSCEIVERS 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI74FCT861T/863T/864T 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Fast CMOS Bus Transceivers Product Features: • PI74FCT861/863T/864T is pin compatible with bipolar FAST™ Series at a higher speed and lower power consumption • TTL input and output levels • Extremely low static power • Hysteresis on all inputs • Industrial operating temperature range: –40°C to +85°C • Packages available: – 24-pin 300 mil wide plastic DIP (P) – 24-pin 150 mil wide plastic QSOP (Q) – 24-pin 150 mil wide plastic TQSOP (R) – 24-pin 300 mil wide plastic SOIC (S) Product Description: Pericom Semiconductor’s PI74FCT series of logic circuits are produced in the Company’s advanced 0.8 micron CMOS technology, achieving industry leading speed grades. The PI74FCT860T series bus transceivers provide highperformance bus interface buffering for wide data/address paths carrying parity. They are designed for high-capacitance load drive capability while providing bus loading at both inputs and outputs. The PI74FCT861T is a 10-bit non-inverting bus transceiver. The PI74FCT863T is a 9-bit non-inverting option of the PI74FCT864T 9-bit inverting bus transceiver. PI74FCT861/863/864T Logic Block Diagram T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 OER R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 OET Note: PI74FCT861T function is shown. 1 PS2026A 03/11/96 PI74FCT861T/863T/864T BUS TRANSCEIVERS 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI74FCT861T 10-Bit Product Configuration OER 1 24 Vcc R0 2 23 T0 R1 3 22 T1 R2 4 21 T2 R3 5 20 T3 R4 6 19 T4 R5 7 18 T5 R6 8 17 T6 R7 9 16 T7 R8 10 15 T8 R9 11 14 T9 GND 12 13 OET 24-PIN P24 Q24 R24 S24 Product Pin Description Pin Name RN TN OERN OETN GND VCC PI74FCT861/863T (non-inverting) Truth Table(1) Inputs Function High-Z PI74FCT863/864T 9-Bit Product Configuration OER1 1 24 Vcc R0 2 23 T0 R1 3 22 T1 R2 4 21 T2 R3 5 20 T3 R4 6 19 T4 R5 7 18 T5 R6 8 17 T6 R7 9 16 T7 R8 10 15 T8 OER2 11 14 OET2 GND 12 13 OET1 24-PIN P24 Q24 R24 S24 Description Receive Inputs/Outputs Transmit Inputs/Outputs Output Enable Receive Mode Output Enable Transmit Mode Ground Power OETN OERN H H Outputs RN X TN X RN Z TN Z Transmitting L H L N/A N/A L Transmitting L H H N/A N/A H Receiving H L N/A L L N/A Receiving H L N/A H H N/A 1. H = High Voltage Level L = Low Voltage Level X = Don't Care NA = Not Applicable Z = High Impedance PI74FCT864T (inverting) Truth Table(1) Inputs Function High-Z RN X TN X RN Z TN Z Transmitting L H L N/A N/A H Transmitting L H H N/A N/A L Receiving H L N/A L H N/A Receiving H L N/A H L N/A 1. 2 OETN OERN H H Outputs H = High Voltage Level L = Low Voltage Level X = Don't Care NA = Not Applicable Z = High Impedance PS2026A 03/11/96 PI74FCT861T/863T/864T BUS TRANSCEIVERS 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 ..........................................................................................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) 2.4 3.0 VOH Output HIGH Voltage VCC = Min., VIN = VIH or VIL IOH = –15.0 mA VOL Output LOW Current VCC = Min., VIN = VIH or VIL IOL = 48 mA VIH Input HIGH Voltage Guaranteed Logic HIGH Level VIL Input LOW Voltage Guaranteed Logic LOW Level IIH Input HIGH Current VCC = Max. IIL Input LOW Current IOZH High Impedance IOZL Output Current II Input HIGH Current VCC = Max., VIN = VCC (Max.) VIK Clamp Diode Voltage VCC = Min., IIN = –18 mA IOS Short Circuit Current (3) VCC = Max. , VOUT = GND –60 –120 IOFF Power Down Disable VCC = GND, VOUT = 4.5V — — VH Input Hysteresis 0.3 Max. Units V 0.50 2.0 V V 0.8 V VIN = VCC 1 µA VCC = Max. VIN = GND –1 µA VCC = Max. VOUT = 2.7V 1 µA VOUT = 0.5V –1 µA 20 µA –1.2 V –0.7 mA 100 200 µA mV Capacitance (TA = 25°C, f = 1 MHz) Parameters(4) Description Test Conditions Typ Max. Units CIN Input Capacitance VIN = 0V 6 10 pF COUT Output Capacitance VOUT = 0V 8 12 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, +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 determined by device characterization but is not production tested. 3 PS2026A 03/11/96 PI74FCT861T/863T/864T BUS TRANSCEIVERS 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 0.1 500 µA ∆ICC Supply Current per Input @ TTL HIGH VCC = Max. VIN = 3.4V(3) 0.5 2.0 mA ICCD Supply Current per Input per MHz(4) VCC = Max., Outputs Open OE = GND; One Input Toggling 50% Duty Cycle VIN = VCC VIN = GND 0.15 0.25 mA/ MHz IC Total Power Supply Current(6) VCC = Max., Outputs Open fCP = 10 MHZ 50% Duty Cycle OE = GND; fI = 5 MHZ One Bit Toggling VCC = Max., Outputs Open fCP = 10 MHZ 50% Duty Cycle OE = GND; Eight Bits Toggling fI = 2.5 MHZ 50% Duty Cycle VIN = VCC VIN = GND 1.5 3.5(5) mA VIN = 3.4V VIN = GND 1.8 4.5(5) VIN = VCC VIN = GND 3.0 6.0(5) VIN = 3.4V VIN = GND 5.0 14.0(5) 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. V, +25°C ambient. 3. Per TTL driven input (VIN = 3.4V); 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 ∆ICC = Power Supply Current for a TTL High Input (VIN = 3.4V) 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) fI = Input Frequency NI = Number of Inputs at fI All currents are in milliamps and all frequencies are in megahertz. 4 PS2026A 03/11/96 PI74FCT861T/863T/864T BUS TRANSCEIVERS 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI74FCT861T (non-inverting) Switching Characteristics over Operating Range Parameters tPLH tPHL tPZH tPZL tPHZ tPLZ 861AT 861BT 861CT Com. Com. Com. Description Conditions (1) Min Max Min Max Min Max Unit Propagation Delay RN to TN or TN to RN CL = 50 pF RL = 500Ω CL = 300 pF(3) RL = 500Ω CL = 50 pF RL = 500Ω CL = 300 pF(3) RL = 500Ω CL = 50 pF RL = 500Ω CL = 5 pF(3) RL = 500Ω 1.5 8.0 1.5 6.0 1.5 5.5 ns 1.5 15.0 1.5 13.0 1.5 11.5 ns 1.5 12.0 1.5 8.0 1.5 6.8 ns 1.5 20.0 1.5 15.0 1.5 13.0 ns 1.5 9.0 1.5 6.0 1.5 5.0 ns 1.5 10.0 1.5 7.0 1.5 6.0 ns Output Enable Time OET to TN or OER to RN Output Disable Time(3) OET to TN or OER to RN PI74FCT863T (non-inverting) Switching Characteristics over Operating Range 863AT 863BT Com. Parameters tPLH tPHL tPZH tPZL tPHZ tPLZ 863CT Com. Com. Description Conditions(1) Min Max Min Max Min Max Unit Propagation Delay RN to TN or TN to RN CL = 50 pF RL = 500Ω CL = 300 pF(3) RL = 500Ω CL = 50 pF RL = 500Ω CL = 300 pF(3) RL = 500Ω CL = 50 pF RL = 500Ω CL = 5 pF(3) RL = 500Ω 1.5 8.0 1.5 6.0 1.5 5.5 ns 1.5 15.0 1.5 13.0 1.5 11.5 ns 1.5 12.0 1.5 8.0 1.5 6.8 ns 1.5 20.0 1.5 15.0 1.5 13.0 ns 1.5 9.0 1.5 6.0 1.5 5.0 ns 1.5 10.0 1.5 7.0 1.5 6.0 ns Output Enable Time OET to TN or OER to RN Output Disable Time(3) OET to TN or OER to RN Notes: 1. See test circuit and wave forms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3. This parameter is guaranteed but not production tested. 5 PS2026A 03/11/96 PI74FCT861T/863T/864T BUS TRANSCEIVERS 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI74FCT864T (inverting) Switching Characteristics over Operating Range 864AT 864BT Com. Parameters tPLH tPHL tPZH tPZL tPHZ tPLZ 864CT Com. Com. Description Conditions(1) Min Max Min Max Min Max Unit Propagation Delay RN to TN or TN to RN CL = 50 pF RL = 500Ω CL = 300 pF(3) RL = 500Ω CL = 50 pF RL = 500Ω CL = 300 pF(3) RL = 500Ω CL = 50 pF RL = 500Ω CL = 5 pF(3) RL = 500Ω 1.5 8.0 1.5 6.0 1.5 5.5 ns 1.5 15.0 1.5 13.0 1.5 11.5 ns 1.5 12.0 1.5 8.0 1.5 6.8 ns 1.5 20.0 1.5 15.0 1.5 13.0 ns 1.5 9.0 1.5 6.0 1.5 5.0 ns 1.5 10.0 1.5 7.0 1.5 6.0 ns Output Enable Time OET to TN or OER to RN Output Disable Time(3) OET to TN or OER to RN Notes: 1. See test circuit and wave forms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3. This parameter is guaranteed but not production tested. Pericom Semiconductor Corporation 2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com 6 PS2026A 03/11/96