PI74FCT280T 9-BIT PARITY GENERATOR/CHECKER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI74FCT280T 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Fast CMOS 9-Bit Parity Generator/Checker Product Features: • PI74FCT280T 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: – 14-pin 150 mil wide SOIC (W) – 16-pin 150 mil wide QSOP (Q) 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 PI74FCT280T is a high-speed CMOS TTL-compatible 9-bit parity generator-checkers. Both odd and even parity outputs are available for generating or checking odd or even parity. Logic Block Diagram I0 I1 I2 I3 I4 I5 I6 I7 Σe I8 Σo 1 PS2014A 03/11/96 PI74FCT280T 9-BIT PARITY GENERATOR/CHECKER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI74FCT280T 14-Pin SOIC Configuration I6 I7 NC I8 Σe Σo GND 1 14 2 13 3 14-PIN 12 4 W14 11 5 10 6 9 7 8 Product Pin Description Pin Name I8–I0 Σe Σo GND VCC VCC I5 I4 I3 I2 I1 I0 Description Data In Even Parity Out Odd Parity Out Ground Power Truth Table(1) PI74FCT280T 16-Pin QSOP Configuration Inputs Function I6 I7 NC I8 Σe Σo NC GND 1 16 2 15 3 14 4 5 16-PIN 13 Q16 12 6 11 7 10 8 9 VCC I5 I4 I3 I2 I1 I0 NC Outputs I8-I0 Even Parity No. of Bits at TTL High = 0, 2, 4, 6, 8 Odd Parity No. of Bits at TTL High = 1, 3, 5, 7, 9 Σe H Σo L L H Note: 1. H = High Voltage Level L = Low Voltage Level 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 +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. Capacitance (TA = 25°C, f = 1 MHz) Parameters(1) Description Test Conditions Typ Max. Units CIN Input Capacitance VIN = 0V 6 10 pF COUT Output Capacitance VOUT = 0V 8 12 pF Notes: 1. This parameter is determined by device characterization but is not production tested. 2 PS2014A 03/11/96 PI74FCT280T 9-BIT PARITY GENERATOR/CHECKER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 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 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 VIN = GND –1 µA –1.2 V –0.7 mA 100 200 µA mV Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for 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. Switching Characteristics over Operating Range Parameters Description tPHLE tPLHE tPHLO tPLHO Conditions(1) Propagation Delay CL = 50 pF I0 – I8 to ∑even RL = 500Ω Propagation Delay I0 – I8 to ∑odd 280T Com. Min Max 280AT Com. Min Max 280BT Com. Min Max 280CT Com. Min Max 3.0 10.0 3.0 7.5 3.0 6.3 3.0 5.3 ns 3.0 10.0 3.0 7.5 3.0 6.3 3.0 5.3 ns Unit Notes: 1. See test circuit and waveforms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3 PS2014A 03/11/96 PI74FCT280T 9-BIT PARITY GENERATOR/CHECKER 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Power Supply Characteristics Test Conditions(1) Parameters Description Min. Typ(2) Max. Units 0.1 500 µA ICC Quiescent Power Supply Current VCC = Max. VIN = GND or VCC ∆ICC Supply Current per Input @ TTL HIGH VCC = Max. VIN = 3.4V(3) 2.0 mA ICCD Supply Current per Input per MHz(4) VCC = Max., Outputs Open One Input Toggling 50% Duty Cycle VIN = VCC VIN = GND 0.25 mA/ MHz IC Total Power Supply Current(6) VCC = Max., Outputs Open fCP = 10 MHZ 50% Duty Cycle fI = 5 MHZ One Bit Toggling VCC = Max., Outputs Open fCP = 10 MHZ 50% Duty Cycle Nine Bits Toggling fI = 2.5 MHZ 50% Duty Cycle VIN = VCC VIN = GND 1.7 4.0(5) mA VIN = 3.4V VIN = GND 2.2 6.0(5) VIN = VCC VIN = GND 4.0 7.8(5) VIN = 3.4V VIN = GND 6.2 16.8(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 = 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. Pericom Semiconductor Corporation 2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com 4 PS2014A 03/11/96