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IDT7005S Datasheet(PDF) 4 Page - Integrated Device Technology |
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IDT7005S Datasheet(HTML) 4 Page - Integrated Device Technology |
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4 / 20 page  6.06 4 IDT7005S/L HIGH-SPEED 8K x 8 DUAL-PORT STATIC RAM MILITARY AND COMMERCIAL TEMPERATURE RANGES TRUTH TABLE I – NON-CONTENTION READ/WRITE CONTROL Inputs (1) Outputs CE CE CE CE CE R/ W W W W W OE OE OE OE OE SEM SEM SEM SEM SEM I/O0-7 Mode H X X H High-Z Deselected: Power-Down L L X H DATAIN Write to Memory L H L H DATAOUT Read Memory X X H X High-Z Outputs Disabled NOTE: 2738 tbl 02 1. A0L — A12L is not equal to A0R — A12R. RECOMMENDED DC OPERATING CONDITIONS Symbol Parameter Min. Typ. Max. Unit VCC Supply Voltage 4.5 5.0 5.5 V GND Supply Voltage 0 0 0 V VIH Input High Voltage 2.2 — 6.0 (2) V VIL Input Low Voltage –0.5 (1) — 0.8 V NOTES: 2738 tbl 06 1. VIL > -1.5V for pulse width less than 10ns. 2. VTERM must not exceed Vcc + 0.5V. RECOMMENDED OPERATING TEMPERATURE AND SUPPLY VOLTAGE Ambient Grade Temperature GND VCC Military –55 °C to +125°C 0V 5.0V ± 10% Commercial 0 °C to +70°C 0V 5.0V ± 10% 2738 tbl 05 ABSOLUTE MAXIMUM RATINGS(1) Symbol Rating Commercial Military Unit VTERM (2) Terminal Voltage –0.5 to +7.0 –0.5 to +7.0 V with Respect to GND TA Operating 0 to +70 –55 to +125 °C Temperature TBIAS Temperature –55 to +125 –65 to +135 °C Under Bias TSTG Storage –55 to +125 –65 to +150 °C Temperature IOUT DC Output 50 50 mA Current NOTES: 2738 tbl 04 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. 2. VTERM must not exceed Vcc + 0.5V for more than 25% of the cycle time or 10% maximum, and is limited to < 20mA for the period of VTERM > Vcc + 0.5V. CAPACITANCE(1) (TA = +25 °C, f = 1.0MHz) TQFP PACKAGE Symbol Parameter Conditions (2) Max. Unit CIN Input Capacitance VIN = 3dV 9 pF COUT Output VOUT = 3dV 10 pF Capacitance NOTES: 2738 tbl 07 1. This parameter is determined by device characterization but is not production tested. 2. 3dv references the interpolated capacitance when the input and output signals switch from 0V to 3V or from 3V to 0V. TRUTH TABLE II – SEMAPHORE READ/WRITE CONTROL(1) Inputs Outputs CE CE CE CE CE R/ W W W W W OE OE OE OE OE SEM SEM SEM SEM SEM I/O0-7 Mode H H L L DATAOUT Read in Semaphore Flag Data 0ut H u X L DATAIN Write I/O0 into Semaphore Flag L X X L — Not Allowed 2738 tbl 03 NOTE: 1. There are eight semaphore flags written to via I/O0 and read from I/O0 - I/O15. These eight semaphores are addressed by A0 - A2. |
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