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IDT70T3509M Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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1 / 23 page ©2009 Integrated Device Technology, Inc. JANUARY 2009 DSC 5682/8 1 Functional Block Diagram HIGH-SPEED 2.5V 1024K x 36 SYNCHRONOUS DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE IDT70T3509M REPEATR A 0R CNTENR ADSR Dout0- 8_R Dout9-17_R I/O0R - I/O35R Din_R ADDR_R OER BE3R BE2R BE1R BE0R R/ WR CE0R CE1R 1 0 1/0 FT/PIPER 1a 0a 1b 0b 1c 0c 1d 0d dc b a CLKR , Counter/ Address Reg. dc ba 0/1 0d 1d 0c 1c 0b 1b 0a 1a B W 2 R B W 1 R B W 0 R FT/PIPER Counter/ Address Reg. CNTENL ADSL REPEATL Dout0-8_L Dout9-17_L Dout18-26_L Dout27-35_L Dout18-26_R Dout27-35_R B W 0 L B W 1 L B W 2 L B W 3 L I/O0L -I/O35L A19L A0L Din_L ADDR_L OEL 5682 drw 01 BE3L BE2L BE1L BE0L R/ WL CE0L CE1L 1024K x 36 MEMORY ARRAY CLKL ab cd FT/PIPEL 0/1 1d 0d 1c 0c 1b 0b 1a 0a B W 3 R , JTAG TCK TRST TMS TDO TDI 1 0 1/0 0d 1d 0c 1c 0b 1b 0a 1a ab c d FT/PIPEL 1/0 1/0 INTERRUPT LOGIC R/ WL CE 0 L CE1L R/ WR CE0 R CE1R INTL INTR ZZ CONTROL LOGIC ZZL (1) ZZR (1) A19R (2) (2) Features: ◆ True Dual-Port memory cells which allow simultaneous access of the same memory location ◆ High-speed data access – Commercial: 4.2ns (133MHz)(max.) – Industrial: 4.2ns (133MHz)(max.) ◆ Selectable Pipelined or Flow-Through output mode ◆ Counter enable and repeat features ◆ Interrupt Flags ◆ Full synchronous operation on both ports – 7.5ns cycle time, 133MHz operation (9.5Gbps bandwidth) – 1.5ns setup to clock and 0.5ns hold on all control, data, and address inputs @ 133MHz – Fast 4.2ns clock to data out NOTE: 1. The sleep mode pin shuts off all dynamic inputs, except JTAG inputs, when asserted. All static inputs, i.e., PL/ FTx and OPTx and the sleep mode pins themselves (ZZx) are not affected during sleep mode. 2. See Truth Table I for Functionality. – Data input, address, byte enable and control registers – Self-timed write allows fast cycle time ◆ Separate byte controls for multiplexed bus and bus matching compatibility ◆ Dual Cycle Deselect (DCD) for Pipelined Output Mode ◆ 2.5V (±100mV) power supply for core ◆ LVTTL compatible, selectable 3.3V (±150mV) or 2.5V (±100mV) power supply for I/Os and control signals on each port ◆ Includes JTAG functionality ◆ Available in a 256-pin Ball Grid Array (BGA) ◆ Common BGA footprint provides design flexibility over seven density generations (512K to 36M-bit) ◆ Green parts available, see ordering information |
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