Features
- Dual-Port allows simultaneous access of the same memory location
- RapidWrite Mode simplifies high-speed consecutive write cycles
- Dual chip enables allow for depth expansion without external logic
- Easily expands data bus width to 36 bits or more using the Master/Slave select when cascading more than one device
- Busy and Interrupt Flags
- On-chip port arbitration logic
- Full hardware support of semaphore signaling between ports on-chip
- Fully asynchronous operation from either port
- Separate byte controls for multiplexed bus and bus matching compatibility
- Sleep Mode Inputs on both ports
- Includes JTAG functionality
- Single 2.5V (±100mV) power supply for core
- LVTTL-compatible, selectable 3.3V (±150mV)/2.5V (±100mV) power supply for I/Os and control signals on each port
- Available in a 256-ball BGA and 208-ball fpBGA
- Industrial temperature range (–40C to +85C) is available
70T631 - Block Diagram
Description
The 70T631 is a high-speed 256K x 18 Asynchronous Dual-Port Static RAM designed to be used as a stand-alone Dual-Port RAM or as a combination MASTER/ SLAVE Dual-Port RAM for 36-bit-or-more word system which would result in full-speed, error-free operation without the need for additional discrete logic. An automatic power down feature controlled by the chip enables (either CE0 or CE1) permit the on-chip circuitry of each port to enter a very low standby power mode.
| Part Number | Status | Samples | Stock | Package | Lead Count (#) | Temp. Grade | Pb (Lead) Free | Carrier Type |
|---|---|---|---|---|---|---|---|---|
| 70T631S10BC | Obsolete | N/A | Out of Stock | CABGA | 256# | C | No | Tray |
| 70T631S10BC8 | Obsolete | N/A | Out of Stock | CABGA | 256# | C | No | Reel |
| 70T631S10BCI | Obsolete | N/A | Out of Stock | CABGA | 256# | I | No | Tray |
| 70T631S10BCI8 | Obsolete | N/A | Out of Stock | CABGA | 256# | I | No | Reel |
| 70T631S10BF | Obsolete | N/A | Out of Stock | CABGA | 208# | C | No | Tray |
| 70T631S10BF8 | Obsolete | N/A | Out of Stock | CABGA | 208# | C | No | Reel |
| 70T631S10BFI | Obsolete | N/A | Out of Stock | CABGA | 208# | I | No | Tray |
| 70T631S10BFI8 | Obsolete | N/A | Out of Stock | CABGA | 208# | I | No | Reel |
| 70T631S12BC | Obsolete | N/A | Out of Stock | CABGA | 256# | C | No | Tray |
| 70T631S12BC8 | Obsolete | N/A | Out of Stock | CABGA | 256# | C | No | Reel |
| 70T631S12BCI | Obsolete | N/A | Out of Stock | CABGA | 256# | I | No | Tray |
| 70T631S12BCI8 | Obsolete | N/A | Out of Stock | CABGA | 256# | I | No | Reel |
| 70T631S12BF | Obsolete | N/A | Out of Stock | CABGA | 208# | C | No | Tray |
| 70T631S12BF8 | Obsolete | N/A | Out of Stock | CABGA | 208# | C | No | Reel |
| 70T631S12BFI | Obsolete | N/A | Out of Stock | CABGA | 208# | I | No | Tray |
| 70T631S12BFI8 | Obsolete | N/A | Out of Stock | CABGA | 208# | I | No | Reel |
| 70T631S15BC | Obsolete | N/A | Out of Stock | CABGA | 256# | C | No | Tray |
| 70T631S15BC8 | Obsolete | N/A | Out of Stock | CABGA | 256# | C | No | Reel |
| 70T631S15BF | Obsolete | N/A | Out of Stock | CABGA | 208# | C | No | Tray |
| 70T631S15BF8 | Obsolete | N/A | Out of Stock | CABGA | 208# | 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 197 KB 7WDXRDKU4E7E-5-37103 Jun 01, 2006
- Application NotePDF 182 KB 7WDXRDKU4E7E-5-37132 May 31, 2006
- Application NotePDF 183 KB 7WDXRDKU4E7E-5-37127 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 197 KB 7WDXRDKU4E7E-5-37103 Jun 01, 2006
- Application NotePDF 182 KB 7WDXRDKU4E7E-5-37132 May 31, 2006
- Application NotePDF 183 KB 7WDXRDKU4E7E-5-37127 May 30, 2006
- Application NotePDF 97 KB 7WDXRDKU4E7E-5-37100 May 30, 2006View More (6)
Application Notes & White Papers (6)
- Product Change NoticePDF 24 KB 7WDXRDKU4E7E-5-41812 Nov 14, 2012
- End Of Life NoticePDF 70 KB 7WDXRDKU4E7E-5-46407 Jan 18, 2011
- End Of Life NoticePDF 70 KB 7WDXRDKU4E7E-5-41665 Aug 18, 2008
- Product Change NoticePDF 194 KB 7WDXRDKU4E7E-5-41715 Aug 31, 2006View More (11)
Product Notices (PCN, EOL, etc) (11)
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