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IDT61298SA Datasheet(PDF) 2 Page - Integrated Device Technology |
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IDT61298SA Datasheet(HTML) 2 Page - Integrated Device Technology |
2 / 7 page 7.1 2 IDT61298SA CMOS STATIC RAM 256K (64K x 4-BIT) COMMERCIAL TEMPERATURE RANGE ABSOLUTE MAXIMUM RATINGS (1) Symbol Rating Com’l. Unit VTERM (2) Terminal Voltage –0.5 to +7.0 V with Respect to GND TA Operating 0 to +70 °C Temperature TBIAS Temperature –55 to +125 °C Under Bias TSTG Storage –55 to +125 °C Temperature PT Power Dissipation 1.0 W IOUT DC Output 50 mA Current NOTES: 2971 tbl 02 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. DESCRIPTION (Continued) circuitry, along with matching access and cycle times, favor the simplified system design approach. The IDT61298SA is packaged in a 300 mil, 28-pin SOJ, providing improved board-level packing densities. PIN CONFIGURATION SOJ TOP VIEW CAPACITANCE (TA = +25 °C, f = 1.0MHz, SOJ Package) Symbol Parameter (1) Conditions Max. Unit CIN Input Capacitance VIN = 3dV 5 pF CI/O I/O Capacitance VOUT = 3dV 7 pF NOTE: 2971 tbl 03 1. This parameter is determined by device characterization, but is not production tested. TRUTH TABLE (1,2) CS CS OE OE WE WE I/O Function L L H DATAOUT Read Data L X L DATAIN Write Data L H H High-Z Outputs Disabled H X X High-Z Deselected - Standby (ISB) VHC (3) X X High-Z Deselected - Standby (ISB1) NOTES: 2971 tbl 01 1. H = VIH, L = VIL, x = Don't care. 2. VLC = 0.2V, VHC = VCC -0.2V. 3. Other inputs ≥VHC or ≤VLC. 2971 drw 02 5 6 7 8 9 10 11 12 1 2 3 4 24 23 22 21 20 19 18 17 SO28-5 13 14 28 27 26 25 16 15 NC A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 CS OE GND VCC A15 A14 A13 A12 A11 A10 NC NC I/O3 I/O2 I/O1 I/O0 WE PIN DESCRIPTIONS Name Description A0–A14 Addresses I/O0–I/O7 Data Input/Output CS Chip Select WE Write Enable OE Output Enable GND Ground VCC Power 2971 tbl 04 |
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