IDT71321SA55JG IDT, Integrated Device Technology Inc, IDT71321SA55JG Datasheet

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Features High-speed access – Commercial: 20/25/35/55ns (max.) – Industrial: 25/55ns (max.) Low-power operation – IDT71321/IDT71421SA — Active: 325mW (typ.) — Standby: 5mW (typ.) – IDT71321/421LA — Active: 325mW (typ.) — Standby: 1mW (typ.) Two INT flags for port-to-port communications Functional ...

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IDT71321SA/LA and IDT71421SA/LA High Speed Dual-Port Static RAM with Interrupts Description The IDT71321/IDT71421 are high-speed Dual-Port Static RAMs with internal interrupt logic for interprocessor communications. The IDT71321 is designed to be used as a ...

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IDT71321SA/LA and IDT71421SA/LA High Speed Dual-Port Static RAM with Interrupts Capacitance (1) (TA = +25° 1.0MHz) TQFP Only Symbol Parameter Conditions C Input Capacitance IN C Output Capacitance V OUT NOTES: 1. This parameter is ...

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IDT71321SA/LA and IDT71421SA/LA High Speed Dual-Port Static RAM with Interrupts DC Electrical Characteristics Over the Operating Temperature and Supply Voltage Range Symbol Parameter CE and CE I Dynamic Operating CC L Current Outputs Disabled (2) (Both Ports ...

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IDT71321SA/LA and IDT71421SA/LA High Speed Dual-Port Static RAM with Interrupts DC Electrical Characteristics Over the Operating Temperature and Supply Voltage Range (V Symbol Parameter ( Input Leakage Current LI ( Output Leakage Current ...

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IDT71321SA/LA and IDT71421SA/LA High Speed Dual-Port Static RAM with Interrupts AC Test Conditions Input Pulse Levels Input Rise/Fall Times Input Timing Reference Levels Output Reference Levels Output Load DATA OUT 775Ω Figure 1. AC Output Test Load ...

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IDT71321SA/LA and IDT71421SA/LA High Speed Dual-Port Static RAM with Interrupts AC Electrical Characteristics Over the Operating Temperature Supply Voltage Range Symbol READ CYCLE t Read Cycle Time RC t Address Access Time AA t Chip Enable Access ...

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IDT71321SA/LA and IDT71421SA/LA High Speed Dual-Port Static RAM with Interrupts Timing Waveform of Read Cycle No. 1, Either Side ADDRESS DATA PREVIOUS DATA VALID OUT BUSY OUT NOTES and ...

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IDT71321SA/LA and IDT71421SA/LA High Speed Dual-Port Static RAM with Interrupts AC Electrical Characteristics Over the Operating Temeprature and Supply Voltage Range Symbol WRITE CYCLE (2) t Write Cycle Time WC t Chip Enable to End-of-Write EW t ...

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IDT71321SA/LA and IDT71421SA/LA High Speed Dual-Port Static RAM with Interrupts Timing Waveform of Write Cycle No. 1, (R/W Controlled Timing) ADDRESS R/W DATA (4) OUT DATA IN Timing Waveform of Write Cycle ...

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IDT71321SA/LA and IDT71421SA/LA High Speed Dual-Port Static RAM with Interrupts AC Electrical Characteristics Over the Operating Temperature and Supply Voltage Range Symbol BUSY TIMING (For MASTER 71321) BUSY Access Time from Address t BAA BUSY Disable Time ...

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IDT71321SA/LA and IDT71421SA/LA High Speed Dual-Port Static RAM with Interrupts Timing Waveform of Write with Port-to-Port Read and BUSY ADDR "A" R/W "A" DATA IN "A" (1) t APS ADDR "B" BUSY "B" DATA OUT"B" NOTES: 1. ...

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IDT71321SA/LA and IDT71421SA/LA High Speed Dual-Port Static RAM with Interrupts Timing Waveform of BUSY Arbitration Controlled by CE Timing ADDR "A" AND "B" CE "B" (2) t APS CE "A" BUSY "A" Timing Waveform of BUSY Arbritration ...

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IDT71321SA/LA and IDT71421SA/LA High Speed Dual-Port Static RAM with Interrupts AC Electrical Characteristics Over the Operating Temperature Supply Voltage Range Symbol INTERRUPT TIMING t Address Set-up Time AS t Write Recovery Time WR t Interrupt Set Time ...

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IDT71321SA/LA and IDT71421SA/LA High Speed Dual-Port Static RAM with Interrupts Truth Tables Truth Table I. Non-Contention Read/Write Control (1) Left or Right Port CE OE R ...

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... R memory location 7FF. The message (8 bits) at 7FE or 7FF is user-defined, since addressable SRAM location. If the interrupt function is not used, address locations 7FE and 7FF are not used as mail boxes, but as part of the random access memory. Refer to Truth Table II for the interrupt operation ...

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... TQFP (PN64-1) 64-pin STQFP (PP64-1) Commercial Only Commercial & Industrial Speed in nanoseconds Commercial Only Commercial & Industrial Low Power Standard Power 16K (2K x 8-Bit) MASTER Dual-Port SRAM w/ Interrupt 16K (2K x 8-Bit) SLAVE Dual-Port SRAM w/ Interrupt for Tech Support: 408-284-2794 DualPortHelp@idt.com , 2691 drw 17 ...