TMS626162 - Texas Instruments

TMS626162 DYNAMIC RANDOM-ACCESS MEMORIES

The TMS626162 device is a high-speed 16 777 216-bit synchronous dynamic randomaccess memory (SDRAM) organized as two banks of 524 288 words with 16 bits per word. All inputs and outputs of the TMS626162 series are compatible with the LVTTL interface. PIN NOMENCLATURE A0–A10 A11 CAS CKE CLK CS DQ0–DQ15 DQML, DQMU NC RAS VCC VCCQ VSS VSSQ W Address Inputs .

Features

CAS RAS CS A11 A10 A0 A1 A2 A3 VCC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 50 VSS 49 DQ15 48 DQ14 47 VSSQ 46 DQ13 45 DQ12 44 VCCQ 43 DQ11 42 DQ10 41 VSSQ 40 DQ9 39 DQ8 38 VCCQ 37 NC 36 DQMU 35 CLK 34 CKE 33 NC 32 A9 31 A8 30 A7 29 A6 28 A5 27 A4 26 VSS SYNCHRONOUS CLOCK CYLE TIME ACCESS TIME CLOCK TO OUTPUT tCK3 tCK2 tAC3 tAC2 (CL‡ = 3) (CL = 2) (CL = 3) (CL = 2) ’626162-12A† 12 ns 15 ns 9 ns 9 ns ’626162-12 12 ns 18 ns 9 ns 10 ns †
  –12A speed device is supported only at
  –5/+10% VCC ‡ CL = CAS latency REFRESH INTERVAL tREF 64 ms 64 ms description Th.