Features
- Dual-Port allows simultaneous access of the same memory location
- Selectable Pipelined or Flow-Through output mode
- Counter enable and repeat features
- Dual chip enables allow for depth expansion without additional logic
- Interrupt and Collision Detection Flags
- Full synchronous operation on both ports
- 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
- Available in a 256-pin BGA and 208-pin fpBGA packages
- Includes JTAG functionality
- Industrial temperature range (-40C to +85C) is available
70T3319 - Block Diagram
Description
The 70T3319 is a high-speed 256K x 18 bit synchronous Dual-Port RAM that has been optimized for applications having unidirectional or bidirectional data flow in bursts. An automatic power down feature, controlled by CE0 and CE1, permits the on-chip circuitry of each port to enter a very low standby power mode. The 70T3319 can support an operating voltage of either 3.3V or 2.5V on one or both ports, controllable by the OPT pins. The power supply for the core of the device (VDD) is at 2.5V.
| Part Number | Status | Samples | Stock | Package | Lead Count (#) | Temp. Grade | Pb (Lead) Free | Carrier Type |
|---|---|---|---|---|---|---|---|---|
| 70T3319S133BC | Obsolete | N/A | Out of Stock | CABGA | 256# | C | No | Tray |
| 70T3319S133BC8 | Obsolete | N/A | Out of Stock | CABGA | 256# | C | No | Reel |
| 70T3319S133BCI | Obsolete | N/A | Out of Stock | CABGA | 256# | I | No | Tray |
| 70T3319S133BCI8 | Obsolete | N/A | Out of Stock | CABGA | 256# | I | No | Reel |
| 70T3319S133BF | Obsolete | N/A | Out of Stock | CABGA | 208# | C | No | Tray |
| 70T3319S133BF8 | Obsolete | N/A | Out of Stock | CABGA | 208# | C | No | Reel |
| 70T3319S133BFGI | Obsolete | N/A | Out of Stock | CABGA | 208# | I | Yes | Tray |
| 70T3319S133BFGI8 | Obsolete | N/A | Out of Stock | CABGA | 208# | I | Yes | Reel |
| 70T3319S133BFI | Obsolete | N/A | Out of Stock | CABGA | 208# | I | No | Tray |
| 70T3319S133BFI8 | Obsolete | N/A | Out of Stock | CABGA | 208# | I | No | Reel |
| 70T3319S166BC | Obsolete | N/A | Out of Stock | CABGA | 256# | C | No | Tray |
| 70T3319S166BC8 | Obsolete | N/A | Out of Stock | CABGA | 256# | C | No | Reel |
| 70T3319S166BF | Obsolete | N/A | Out of Stock | CABGA | 208# | C | No | Tray |
| 70T3319S166BF8 | Obsolete | N/A | Out of Stock | CABGA | 208# | C | No | Reel |
| 70T3319S166BFG | Obsolete | N/A | Out of Stock | CABGA | 208# | C | Yes | Tray |
| 70T3319S166BFG8 | Obsolete | N/A | Out of Stock | CABGA | 208# | C | Yes | Reel |
| 70T3319S200BC | Obsolete | N/A | Out of Stock | CABGA | 256# | C | No | Tray |
| 70T3319S200BC8 | Obsolete | N/A | Out of Stock | CABGA | 256# | C | No | Reel |
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- Product Change NoticePDF 24 KB 7WDXRDKU4E7E-5-41812 Nov 14, 2012
- End Of Life NoticePDF 70 KB 7WDXRDKU4E7E-5-41665 Aug 18, 2008
- Application NotePDF 198 KB 7WDXRDKU4E7E-5-37102 May 31, 2006
- Application NotePDF 154 KB 7WDXRDKU4E7E-5-37144 May 30, 2006
- Application NotePDF 225 KB 7WDXRDKU4E7E-5-37143 May 30, 2006
- Application NotePDF 156 KB 7WDXRDKU4E7E-5-37101 May 30, 2006
- Application NotePDF 97 KB 7WDXRDKU4E7E-5-37100 May 30, 2006
- Application NotePDF 284 KB 7WDXRDKU4E7E-5-37150 May 30, 2006
- Product Change NoticePDF 290 KB 7WDXRDKU4E7E-5-41712 Jul 19, 2005
- Product Change NoticePDF 80 KB 7WDXRDKU4E7E-5-41813 Dec 14, 2004
- Product Change NoticePDF 38 KB 7WDXRDKU4E7E-5-41776 Dec 09, 2004
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- Application NotePDF 198 KB 7WDXRDKU4E7E-5-37102 May 31, 2006
- Application NotePDF 154 KB 7WDXRDKU4E7E-5-37144 May 30, 2006
- Application NotePDF 225 KB 7WDXRDKU4E7E-5-37143 May 30, 2006
- Application NotePDF 156 KB 7WDXRDKU4E7E-5-37101 May 30, 2006View More (7)
Application Notes & White Papers (7)
- Product Change NoticePDF 398 KB 7WDXRDKU4E7E-5-56280 Oct 21, 2013
- Product Change NoticePDF 24 KB 7WDXRDKU4E7E-5-41812 Nov 14, 2012
- End Of Life NoticePDF 70 KB 7WDXRDKU4E7E-5-41665 Aug 18, 2008
- Product Change NoticePDF 194 KB 7WDXRDKU4E7E-5-41715 Aug 31, 2006View More (13)
Product Notices (PCN, EOL, etc) (13)
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70T3319 SRAM what to do with unused JTAG interface pins
Hello, If we decide not to use the JTAG pins (TDI,TDO,TCK and TMS) how should we treat these pins? e.g. pull down or pull up resistor? Floating? Thank you for any input, Sam
Dec 14, 2022
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