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TM2TR64EPH Datasheet(PDF) 1 Page - Texas Instruments |
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TM2TR64EPH Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 22 page  TM2TR64EPH, TM4TR64EPH TM2TR72EPH, TM4TR72EPH SYNCHRONOUS DYNAMIC RAM MODULES SMMS702B − JANUARY 1998 − REVISED APRIL 1998 1 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 D Organization: − TM2TR64EPH . . . 2 097 152 x 64 Bits − TM4TR64EPH . . . 4 194 304 x 64 Bits − TM2TR72EPH . . . 2 097 152 x 72 Bits − TM4TR72EPH . . . 4 194 304 x 72 Bits D Single 3.3-V Power Supply ( ±10% Tolerance) D Designed for 100-MHz 4-Clock Systems D TM2TR64EPH — Uses Eight 16M-Bit Synchronous Dynamic RAMs (SDRAMs) (2M × 8-Bit) in Plastic Thin Small-Outline Packages (TSOPs) D TM4TR64EPH — Uses Sixteen 16M-Bit SDRAMs (2M × 8-Bit) in Plastic TSOPs D TM2TR72EPH — Uses Nine 16M-Bit SDRAMs (2M × 8-Bit) in Plastic TSOPs D TM4TR72EPH — Uses Eighteen 16M-Bit SDRAMs (2M × 8-Bit) in Plastic TSOPs D Byte-Read/Write Capability D Performance Ranges: D JEDEC 168-Pin Dual-In-Line Memory Module (DIMM) Without Buffer for Use With Socket 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 Two 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 SYNCHRONOUS CLOCK CYCLE TIME ACCESS TIME CLOCK TO OUTPUT REFRESH INTERVAL tCK3 (CL = 3)† tCK2 (CL = 2) tAC3 (CL = 3) tAC2 (CL = 2) ’xTRxxEPH-8 8 ns 10 ns 6 ns 6 ns 64 ms ’xTRxxEPH-8A 8 ns 15 ns 6 ns 7.5 ns 64 ms † CL = CAS latency description The TM2TR64EPH is a 16M-byte, 168-pin DIMM. The DIMM is composed of eight TMS626812BDGE 2097 152 x 8-bit SDRAMs, each in a 400-mil, 44-pin plastic TSOP mounted on a substrate with decoupling capacitors. See the TMS626812B data sheet (literature number SMOS693). The TM4TR64EPH is a 32M-byte, 168-pin DIMM. The DIMM is composed of sixteen TMS626812BDGE 2 097 152 x 8-bit SDRAMs, each in a 400-mil, 44-pin plastic TSOP mounted on a substrate with decoupling capacitors. The TM2TR72EPH is an 16M-byte, 168-pin DIMM. The DIMM is composed of nine TMS626812BDGE 2 097 152 x 8-bit SDRAMs, each in a 400-mil, 44-pin plastic TSOP mounted on a substrate with decoupling capacitors. The TM4TR72EPH is a 32M-byte, 168-pin DIMM. The DIMM is composed of eighteen TMS626812BDGE 2 097 152 x 8-bit SDRAMs, each in a 400-mil, 44-pin plastic TSOP mounted on a substrate with decoupling capacitors. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Copyright 1998, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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