TM4SK64KPN

TM4SK64KPN 4ā194ā304 BY 64ĆBIT TM8SK64KPN 8ā388ā608 BY 64ĆBIT SYNCHRONOUS DYNAMIC RAM MODULES Ċ SODIMM SMMS709 − APRIL 1998 D Organization: − TM4SK64KPN . . . 4 194 304 x 64 Bits − TM8SK64KPN . . . 8 388 608 x 64 Bits D Single 3.3-V Power Supply (±10% Tolerance) D Designed for 66-MHz 4-Clock Systems D JEDEC 144-Pin Small-Outline Dual-In-Line Memory Module (SODIMM) Without Buffer for Use With Socket D TM4SK64KPN — Uses Four 64M-Bit Synchronous Dynamic RAMs (SDRAMs) (4M × 16-Bit) in Plastic Thin Small-Outline Packages (TSOPs) D TM8SK64KPN — Uses Eight 64M-Bit SDRAMs (4M × 16-Bit) in Plastic TSOPs D Byte-Read/Write Capability D Performance Ranges: D High-Speed, Low-Noise, Low-Voltage TTL (LVTTL) Interface D Read Latencies 2 and 3 Supported D Support Burst-Interleave and Burst-Interrupt Operations D Burst Length Programmable to 1, 2, 4, and 8 D Four Banks for On-Chip Interleaving (Gapless Access) D Ambient Temperature Range 0°C to 70°C D Gold-Plated Contacts D Pipeline Architecture D Serial Presence Detect (SPD) Using EEPROM ’xSK64KPN − 10 SYNCHRONOUS CLOCK CYCLE TIME tCK3 tCK2 10 ns 15 ns ACCESS TIME CLOCK TO OUTPUT tAC3 tAC2 7 ns 7 ns REFRESH INTERVAL tREF 64 ms description The TM4SK64KPN is a 32M-byte, 144-pin small-outline dual-in-line memory module (SODIMM). The SODIMM is composed of four TMS664164DGE, 4 194 304 x 16-bit SDRAMs, each in a 400-mil, 54-pin plastic thin small-outline package (TSOP) mounted on a substrate with decoupling capacitors. See the TMS6641...