PI74FCT623T 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Fast CMOS Octal Bus Transceiver (3-State) Product Features Product Description • PI74FCT623T 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: – 20-pin 173 mil wide plastic TSSOP (L) – 20-pin 300 mil wide plastic DIP (P) – 20-pin 150 mil wide plastic QSOP (Q) – 20-pin 150 mil wide plastic TQSOP (R) – 20-pin 300 mil wide plastic SOIC (S) Pericom Semiconductor’s PI74FCT series of logic circuits are produced in the Company’s advanced 0.6/0.8 micron CMOS technology, achieving industry leading speed grades. The PI74FCT623T is an 8-bit wide non-inverting octal transceiver designed with 3-state bus-driving outputs in both the send and receive directions. Designed for asynchronous two-way operation between data buses, the control function allows for maximum flexibility in timing. Logic Block Diagram GBA Product Pin Configuration GAB GAB A0 A1 A2 A3 A4 A5 A6 A7 GND 1 20 2 19 3 20-Pin 18 4 L, P, 17 5 Q, R, 16 6 15 S 7 14 8 13 9 12 10 11 Vcc GBA B0 B1 B2 B3 B4 B5 B6 B7 A0 B0 A1 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 B7 Product Pin Description Pin Name GBA, GAB A0-A7 B0-B7 GND VCC Description Enable Outputs A Bus Inputs or 3-State Outputs B Bus Inputs or 3-State Outputs Ground Power Truth Table(1) Inputs GBA L H H L 1. GAB L H L H Outputs B Data to A Bus A Data to B Bus Z B Data to A Bus A Data to B Bus H = High Voltage Level L = Low Voltage Level Z = High Impedance (OFF) State 1 PS2021B 06/20/01 PI74FCT623T Octal Bus Transceiver (3-State) 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 ..........................................................................................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 = 64 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 VIK Clamp Diode Voltage VCC = Min., IIN = –18 mA IOS Short Circuit Current VCC = Max.(3), VOUT = GND –60 –120 IOFF Power Down Disable VCC = GND, VOUT = 4.5V — — VH Input Hysteresis 0.3 Max. Units V 0.55 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 –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. 2 PS2021B 06/20/01 PI74FCT623T Octal Bus Transceiver (3-State) 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 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 GBA = GAB = 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 GBA = GAB = GND, 50% Duty Cycle One Bit toggling at fI = 5 MHZ VCC = Max., Outputs Open fCP = 10 MHZ, 50% Duty Cycle GBA = GAB = GND, 50% Duty Cycle Eight Bits toggling at fI = 2.5 MHZ 50% Duty Cycle VIN = VCC VIN = GND VIN = 3.4V VIN = GND VIN = VCC VIN = GND VIN = 3.4V VIN = GND 1.5 3.5(5) mA 1.8 4.5(5) 3.0 6.0(5) 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 = 5.0V, +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. Switching Characteristics over Operating Range Parameters tPLH tPHL tPLH tPHL tPZH tPZL tPZH tPZL tPZH tPZL tPZH (1) 623T 623AT 623CT Com. Com. Com. Description Conditions Min Max Min Max Min Max Units Propagation Delay AN to BN Propagation Delay BN to AN Output Enable Time GBA to AN Output Disable Time(3) GBA to AN Output Enable Time GAB to BN Output Disable Time(3) CL = 50 pF RL = 500Ω 1.5 7.5 1.5 5.5 1.5 4.8 ns 1.5 7.5 1.5 5.5 1.5 4.8 ns 1.5 9.0 1.5 7.0 1.5 6.1 ns 1.5 8.0 1.5 6.5 1.5 5.6 ns 1.5 9.0 1.5 7.0 1.5 6.1 ns 1.5 8.0 1.5 6.5 1.5 5.6 ns tPZL GAB to BN 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. 3 PS2021B 06/20/01