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IDT70T15 Dataheets PDF



Part Number IDT70T15
Manufacturers IDT
Logo IDT
Description HIGH-SPEED 2.5V 16/8K X 9 DUAL-PORT STATIC RAM
Datasheet IDT70T15 DatasheetIDT70T15 Datasheet (PDF)

www.DataSheet4U.com HIGH-SPEED 2.5V 16/8K X 9 DUAL-PORT STATIC RAM .eatures x x PRELIMINARY IDT70T16/5L x True Dual-Ported memory cells which allow simultaneous reads of the same memory location High-speed access – Commercial:20/25ns (max.) – Industrial: 25ns (max.) Low-power operation – IDT70T16/5L Active: 200mW (typ.) Standby: 600µW (typ.) x IDT70T16/5 easily expands data bus width to 18 bits or more using the Master/Slave select when cascading more than one device x x x x x x x x M/S.

  IDT70T15   IDT70T15



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www.DataSheet4U.com HIGH-SPEED 2.5V 16/8K X 9 DUAL-PORT STATIC RAM .eatures x x PRELIMINARY IDT70T16/5L x True Dual-Ported memory cells which allow simultaneous reads of the same memory location High-speed access – Commercial:20/25ns (max.) – Industrial: 25ns (max.) Low-power operation – IDT70T16/5L Active: 200mW (typ.) Standby: 600µW (typ.) x IDT70T16/5 easily expands data bus width to 18 bits or more using the Master/Slave select when cascading more than one device x x x x x x x x M/S = VIH for BUSY output flag on Master M/S = VIL for BUSY input on Slave Busy and Interrupt Flag On-chip port arbitration logic Full on-chip hardware support of semaphore signaling between ports Fully asynchronous operation from either port LVTTL-compatible, single 2.5V (±100mV) power supply Available in an 80-pin TQFP and 100-pin fpBGA Industrial temperature range (–40°C to +85°C) is available for selected speeds .unctional Block Diagram OEL CEL R/WL OER CER R/WR I/O0L- I/O8L I/O Control BUSYL (2,3) I/O0R-I/O8R I/O Control BUSYR(2,3) Address Decoder 14 A13L(1) A0L MEMORY ARRAY 14 Address Decoder A13R(1) A0R CEL OEL R/WL SEML (3) INTL NOTES: 1. A 13 is a NC for IDT70T15. 2. (MASTER): BUSY is output; (SLAVE): BUSY is input. 3. BUSY outputs and INT outputs are non-tri-stated push-pull drivers. ARBITRATION INTERRUPT SEMAPHORE LOGIC CER OER R/WR M/S SEMR (3) INTR 5663 drw 01 AUGUST 2002 1 ©2002 Integrated Device Technology, Inc. DSC 5663/1 IDT70T16/5L High-Speed 2.5V 16/8K x 9 Dual-Port Static RAM PRELIMINARY Industrial and Commercial Temperature Ranges Description The IDT70T16/5 is a high-speed 16/8K x 9 Dual-Port Static RAM. The IDT70T16/5 is designed to be used as stand-alone Dual-Port RAMs or as a combination MASTER/SLAVE Dual-Port RAM for 18-bit-or-more wider systems. Using the IDT MASTER/SLAVE Dual-Port RAM approach in 18-bit or wider memory system applications results in full-speed, error-free operation without the need for additional discrete logic. This device provides two independent ports with separate control, address, and I/O pins that permit independent, asynchronous access for reads or writes to any location in memory. An automatic power down feature controlled by CE permits the on-chip circuitry of each port to enter a very low standby power mode. Fabricated using IDT’s CMOS high-performance technology, these devices typically operate on only 200mW of power. The IDT70T16/5 is packaged in an 80-pinTQFP (Thin Quad Flatpack) and a 100-pin fpBGA (fine pitch Ball Grid array) . Pin Configurations(1,2,3,4) I/O1L I/O0L I/O8L OEL R/WL SEML CEL NC VDD A12L A11L A10L 07/11/02 NC A13L(1) A7L A6L A9L A8L INDEX 79 78 77 76 70 69 72 71 66 65 64 63 62 80 75 68 67 61 74 73 NC NC 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 NC I/O2L I/O3L I/O4L I/O5L VSS I/O6L I/O7L VDD NC VSS I/O0R I/O1R I/O2R VDD I/O3R I/O4R I/O5R I/O6R NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 NC A5L A4L A3L A2L A1L A0L INTL BUSYL VSS M/S.


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