IDT54/74FCT521/A/B/C FAST CMOS 8-BIT IDENTITY COMPARATOR MILITARY AND COMMERCIAL TEMPERATURE RANGES FAST CMOS 8-BIT IDENTITY COMPARATOR FEATURES: − − − − − − − − − − − − − IDT54/74FCT521/A/B/C DESCRIPTION: IDT54/74FCT521 equivalent to FASTTM speed IDT54/74FCT521A 35% faster than FAST IDT54/74FCT521B 50% faster than FAST IDT54/74FCT521C 60% faster than FAST Equivalent to FAST output drive over full temperature and voltage supply extremes IOL = 48mA (commercial), and 32mA (military) CMOS power levels (1mW typ. static) TTL input and output level compatible CMOS output level compatible Substantially lower input current levels than FAST (5µ A max.) JEDEC standard pinout for DIP and LCC Military product compliant to MIL-STD-883, Class B Available in the following packages: • Commercial: SOIC • Military: CERDIP, LCC, CERPACK The FCT521 is an 8-bit identity comparator built using an advanced dual metal CMOS technology. These devices compare two words of up to eight bits each and provide a low output when the two words match bit for bit. The expansion input IA = B also serves as an active low enable input. FUNCTIONAL BLOCK DIAGRAM A0 2 B0 3 A1 4 B1 5 A2 6 B2 7 A3 8 B3 9 A4 11 B4 12 A5 13 B5 14 A6 15 B6 16 A7 17 B7 18 19 IA=B O A=B 1 MILITARY AND COMMERCIAL TEMPERATURE RANGES JUNE 2000 1 c 1999 Integrated Device Technology, Inc. DSC-4617/2 IDT54/74FCT521/A/B/C FAST CMOS 8-BIT IDENTITY COMPARATOR MILITARY AND COMMERCIAL TEMPERATURE RANGES B0 3 18 B7 4 B1 5 A2 6 B2 17 A7 16 B6 15 A6 7 14 B5 A3 8 13 A5 B3 9 12 B4 10 11 A4 GND D20-1 SO20-2 E20-1 A1 4 B1 5 A2 6 B2 7 A3 8 3 2 9 Commercial –0.5 to +7 TSTG Temperature Under Bias Storage Temperature PT IOUT VTERM(3) TA TBIAS 10 11 12 18 B7 17 A7 16 B6 15 A6 14 B5 13 LCC TOP VIEW ABSOLUTE MAXIMUM RATINGS(1) Rating Terminal Voltage with Respect to GND Terminal Voltage with Respect to GND Operating Temperature 19 L20-2 CERDIP/ SOIC/ CERPACK TOP VIEW Symbol VTERM(2) 20 1 B3 A1 IND EX O A=B O A=B A5 19 V CC 2 B4 A0 IA =B V CC A4 20 A0 1 GND IA=B B0 PIN CONFIGURATION Military –0.5 to +7 PIN DESCRIPTION Unit V –0.5 to VCC –0.5 to VCC V 0 to +70 –55 to +125 °C –55 to +125 –65 to +135 °C –55 to +125 –65 to +150 °C Power Dissipation 0.5 0.5 W DC Output Current 120 120 mA 3. Outputs and I/O terminals only. CAPACITANCE (TA = +25OC, f = 1.0MHz) Typ. 6 Max. 10 Unit pF COUT Output Capacitance VOUT = 0V 8 12 pF Word B Inputs IA = B Expansion or Enable Input (Active LOW) OA = B Identity Output (Active LOW) (1) IA = B A, B OUTPUT OA = B L L H H A = B* A≠B A = B* A≠B L H H H NOTE: 1. H = HIGH Voltage Level L = LOW Voltage Level *A0 = B0, A1 = B1, A2 = B2, etc. 2. Input and VCC terminals only. Conditions VIN = 0V Word A Inputs B0 - B7 INPUTS NOTES: 1. Stresses greater than those listed under ABSOLUTE 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. No terminal voltage may exceed VCC by +.5V unless otherwise noted. Parameter(1) Input Capacitance Description FUNCTION TABLE 8-link Symbol CIN Pin Names A0 - A7 8-link NOTE: 1. This parameter is measured at characterization but not tested. 2 IDT54/74FCT521/A/B/C FAST CMOS 8-BIT IDENTITY COMPARATOR MILITARY AND COMMERCIAL TEMPERATURE RANGES DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: VLC = 0.2V; VHC = VCC – 0.2V Commercial: TA = 0°C to +70°C, VCC = 5.0V ± 5%; Military: TA = –55°C to +125°C, VCC = 5.0V ± 10% Symbol VIH Parameter Input HIGH Level Test Conditions(1) Guaranteed Logic HIGH Level VIL Input LOW Level Guaranteed Logic LOW Level IIH Input HIGH Current VCC = Max. IIL Input LOW Current Min. 2 Typ.(2) — Max. — Unit V — — 0.8 V µA VI = VCC — — 5 VI = 2.7V — — 5(4) VI = 0.5V — — –5(4) VI = GND — — –5 VIK Clamp Diode Voltage VCC = Min., IN = –18mA — –0.7 –1.2 V IOS Short Circuit Current VCC = Max.(3), VO = GND –60 –120 — mA VOH Output HIGH Voltage VCC = 3V, VIN = VLC or VHC, IOH = –32µ A VHC VCC — V VCC = Min. IOH = –300µ A VHC VCC — VIN = VIH or VIL IOH = –12mA MIL. 2.4 4.3 — IOH = –15mA COM'L. 2.4 4.3 — VCC = 3V, VIN = VLC or VHC, IOL = 300µ A — GND VLC VCC = Min. IOL = 300µ A — GND VLC(4) VIN = VIH or VIL IOL = 32mA MIL. — 0.3 0.5 IOL = 48mA COM'L. — 0.3 0.5 VOL Output LOW Voltage NOTES: 1. For conditions shown as Max. or Min., 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 short circuit test should not exceed one second. 4. This parameter is guaranteed but not tested. 3 V IDT54/74FCT521/A/B/C FAST CMOS 8-BIT IDENTITY COMPARATOR MILITARY AND COMMERCIAL TEMPERATURE RANGES POWER SUPPLY CHARACTERISTICS VLC = 0.2V; VHC = VCC - 0.2V Symbol ICC Parameter Quiescent Power Supply Current ∆ICC ICCD Quiescent Power Supply Current TTL Inputs HIGH Dynamic Power Supply Current(4) IC Total Power Supply Current(5) Test Conditions(1) VCC = Max. VIN ≥ VHC; VIN ≤ VLC VCC = Max. VIN = 3.4V(3) VIN ≥ VHC VCC = Max. VIN ≤ VLC Outputs Open One Input Toggling 50% Duty Cycle VIN ≥ VHC VCC = Max. VIN ≤ VLC (FCT) Outputs Open VIN = 3.4V fi = 10MHz One Bit Toggling VIN = GND 50% Duty Cycle Min. — Typ.(2) 0.2 Max. 1.5 Unit mA — 0.5 2 mA — 0.15 0.25 mA/ MHz — 1.7 4 mA — 2 5 NOTES: 1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type. 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 Output 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 - COMMERCIAL IDT74FCT521 Symbol tPLH tPHL tPLH tPHL Parameter Propagation Delay An or Bn to OA = B Propagation Delay IA = B to OA = B Condition(1) CL = 50pF RL = 500Ω Min.(2) IDT74FCT521A Max. Min.(2) 1.5 11 1.5 10 IDT74FCT521B IDT74FCT521C Max. Min.(2) Max. Min.(2) Max. Unit 1.5 7.2 1.5 5.5 1.5 4.5 ns 1.5 6 1.5 4.6 1.5 4.1 ns SWITCHING CHARACTERISTICS OVER OPERATING RANGE - MILITARY IDT54FCT521 Symbol tPLH tPHL tPLH tPHL Parameter Propagation Delay An or Bn to OA = B Propagation Delay IA = B to OA = B Condition(1) CL = 50pF RL = 500Ω Min.(2) IDT54FCT521A Max. Min.(2) 1.5 15 1.5 9 NOTES: 1. See test circuit and waveforms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 4 IDT54FCT521B IDT54FCT521C Max. Min.(2) Max. Min.(2) Max. Unit 1.5 9.5 1.5 7.3 1.5 5.1 ns 1.5 7.8 1.5 6 1.5 4.5 ns IDT54/74FCT521/A/B/C FAST CMOS 8-BIT IDENTITY COMPARATOR MILITARY AND COMMERCIAL TEMPERATURE RANGES TEST CIRCUITS AND WAVEFORMS SWITCH POSITION TEST CIRCUITS FOR ALL OUTPUTS V CC Test 7.0V Switch Open Drain 500 Ω Disable Low V OUT V IN Pulse Generator D.U.T. All Other Tests 50pF R Closed Enable Low T C Open 8-link 500 Ω DEFINITIONS: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator. L O ctal lin k PULSE WIDTH SET-UP, HOLD, AND RELEASE TIMES 3V 1.5V 0V 3V 1.5V 0V DATA INPUT tH t SU TIM ING INPUT ASYNCHRONOUS C ONTROL PRES ET CLEAR ETC. SYNCHRO NOUS CONTRO L PRES ET CLEAR CLOCK ENABLE ETC. t REM t SU LO W -HIGH-LOW PULSE 1.5V tW 3V 1.5V 0V HIGH-LOW -HIGH PULSE 1.5V 3V 1.5V 0V tH O ctal lin k O ctal lin k PROPAGATION DELAY ENABLE AND DISABLE TIMES ENAB LE SAM E PHASE INPUT TRANSITION t PLH t PH L OUTPUT t PLH OPPOSITE P HASE INPUT TRANSITION t PH L 3V 1.5V 0V DISA BLE 3V CO NTROL INPUT 1.5V t PZL V OH 1.5V V OL OUTPUT NO RM A LLY LO W 3V 1.5V 0V SW ITCH CLOSE D O ctal lin k SW ITCH OPEN 3.5V 3.5V 1.5V 0.3V t PZH OUTPUT NO RM A LLY HIGH 0V t PLZ V OL t PHZ 0.3V V OH 1.5V 0V 0V O ctal lin k NOTES: 1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH. 2. Pulse Generator for All Pulses: Rate ≤ 1.0MHz; Zo ≤ 50Ω; tF ≤ 2.5ns; tR ≤ 2.5ns. 5 IDT54/74FCT521/A/B/C FAST CMOS 8-BIT IDENTITY COMPARATOR MILITARY AND COMMERCIAL TEMPERATURE RANGES ORDERING INFORMATION ID T XX Tem p. R ange FC T XXXX XX X Device Type Package Process Blank B Com mercial MIL-STD-883, C lass B SO Com mercial O ptions Small O utline IC (SO 20-2) D E L Military O ptions CER DIP (D20-1) CER PAC K (E20-1) Leadless Chip Carrier (L20-2) 521 521A 521B 521C Fast C MO S 8-Bit Identity C om parator 54 74 – 55°C to +125°C – 0°C to +70°C CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 for SALES: 800-345-7015 or 408-727-6116 fax: 408-492-8674 www.idt.com* *To search for sales office near you, please click the sales button found on our home page or dial the 800# above and press 2. The IDT logo is a registered trademark of Integrated Device Technology, Inc. 6