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IDT72205LB50TFB Datasheet(PDF) 4 Page - Integrated Device Technology |
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IDT72205LB50TFB Datasheet(HTML) 4 Page - Integrated Device Technology |
4 / 16 page 4 IDT72205LB/72215LB/72225LB/72235LB/72245LB CMOS SyncFIFO™ 256 x 18, 512 x 18, 1,024 x 18, 2,048 x 18 and 4,096 x 18 Commercial And Industrial Temperature Ranges RECOMMENDED DC OPERATING CONDITIONS Symbol Parameter Min. Typ. Max. Unit VCC Supply Voltage 4.5 5.0 5.5 V Com'l/Ind'l GND Supply Voltage 0 0 0 V VIH Input High Voltage 2.0 — — V Com'l/Ind'l VIL (1) Input Low Voltage — — 0.8 V Com'l/Ind'l TA Operating Temperature 0— 70 °C Commercial TA Operating Temperature –40 — 85 °C Industrial NOTE: 2766 tbl 02 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RAT- INGS 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. ABSOLUTE MAXIMUM RATINGS Symbol Rating Com'l & Ind'l Unit VTERM Terminal Voltage –0.5 to +7.0 V with respect to GND TSTG Storage –55 to +125 °C Temperature IOUT DC Output Current –50 to +50 mA Symbol Parameter(1) Conditions Max. Unit CIN(2) Input VIN = 0V 10 pF Capacitance COUT(1,2) Output VOUT = 0V 10 pF Capacitance CAPACITANCE (TA = +25 °C, f = 1.0MHz) NOTES: 2766 tbl 05 1. With output deselected, ( OE ≥ VIH). 2. Characterized values, not currently tested. AC TEST CONDITIONS Input Pulse Levels GND to 3.0V Input Rise/Fall Times 3ns Input Timing Reference Levels 1.5V Output Reference Levels 1.5V Output Load See Figure 1 2766 tbl 06 NOTE: 2766 tbl 03 1. 1.5V undershoots are allowed for 10ns once per cycle. IDT72205LB IDT72215LB IDT72225LB IDT72235LB IDT72245LB Commercial and Industrial (1) tCLK = 10, 15, 25 ns Symbol Parameter Min. Typ. Max. Unit ILI(2) Input Leakage Current (any input) –1 — 1 µA ILO(3) Output Leakage Current –10 — 10 µA VOH Output Logic “1” Voltage, IOH = –2 mA 2.4 — — V VOL Output Logic “0” Voltage, IOL = 8 mA — — 0.4 V ICC1(4,5,6) Active Power Supply Current — — 60 mA ICC2(4,7) Standby Current — — 5 mA DC ELECTRICAL CHARACTERISTICS (Commercial: VCC = 5V ± 10%, TA = 0°C to +70°C; Industrial: VCC = 5V ± 10%, TA = –40°C to +85°C ) NOTES: 1. Industrial temperature range product for the 15ns and the 25 ns speed grade is available as a standard device. 2. Measurements with 0.4 ≤ VIN ≤ VCC. 3. OE ≥ VIH, 0.4 ≤ VOUT ≤ VCC. 4. Tested with outputs open (IOUT = 0). 5. RCLK and WCLK toggle at 20 MHZ and data inputs switch at 10 MHz. 6. For the 72205/72215/72225 the typical ICC1 = 1.81 + 1.12*fS + 0.02*CL*fS (in mA); for the 72235/72245 the typical ICC1 = 2.85 + 1.30*fS + 0.02*CL*fS (in mA). These equations are valid under the following conditions: VCC = 5V, TA = 25 °C, fS = WCLK frequency = RCLK frequency (in MHz, using TTL levels), data switching at fS/2, CL = capacitive load (in pF). 7. All Inputs = VCC - 0.2V or GND + 0.2V, except RCLK and WCLK, which toggle at 20 MHz. 2766 tbl 04 |
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