TM4TT64KPN

TM4TT64KPN 4ā194ā304 BY 64ĆBIT TM8TT64KPN 8ā388ā608 BY 64ĆBIT SYNCHRONOUS DYNAMIC RAM MODULES SMMS699A − MARCH 1998 − REVISED AUGUST 1998 D Organization − TM4TT64KPN . . . 4 194 304 × 64-Bits − TM8TT64KPN . . . 8 388 608 × 64 Bits D Single 3.3-V Power Supply (±10% Tolerance) D Designed for 100-MHz 4-Clock Systems D JEDEC 168-Pin Dual-In-Line Memory Module (DIMM) Without Buffer for Use With Socket D TM4TT64KPN — Uses Four 64M-Bit Synchronous Dynamic RAMs (SDRAMs) (4M × 16-Bit) in Plastic Thin Small-Outline Packages (TSOPs) D TM8TT64KPN — 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 ’xTT64KPN-8 ’xTT64KPN-8A SYNCHRONOUS CLOCK CYCLE TIME tCK3 tCK2 8 ns 10 ns 8 ns 15 ns ACCESS TIME CLOCK TO OUTPUT tAC3 tAC2 6 ns 6 ns 6 ns 7.5 ns REFRESH INTERVAL tREF 64 ms 64 ms description The TM4TT64KPN is a 32M-byte, 168-pin dual-in-line memory module (DIMM). The DIMM is composed of four TMS664164ADGE, 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 capacito...