TMS426400

TMS416400, TMS416400P, TMS417400, TMS417400P TMS426400, TMS426400P, TMS427400, TMS427400P 4194304-WORD BY 4-BIT HIGH-SPEED DRAMS SMKS881B – MAY 1995 – REVISED AUGUST 1995 Electrical characteristics for TMS416400/P and TMS417400/P is Production Data. Electrical characteristics for TMS426400/P and TMS427400/P is Product Preview only. D Organization . . . 4 194304 × 4 D Single 5 V Power Supply for TMS41x400 / P (±10% Tolerance) D Single 3.3 V Power Supply for TMS42x400/ P (± 0.3 V Tolerance) D Performance Ranges: ACCESS ACCESS ACCESS READ OR TIME TIME TIME WRITE tRAC MAX tCAC MAX tAA CYCLE MAX MIN ’4xx400/P-60 60 ns 15 ns 30 ns 110 ns ’4xx400/P-70 70 ns 18 ns 35 ns 130 ns ’4xx400/P-80 80 ns 20 ns 40 ns 150 ns D Enhanced Page-Mode Operation With CAS-Before-RAS ( CBR) Refresh D Long Refresh Period and Self-Refresh Option ( TMS4xx400P) D 3-State Unlatched Output D Low Power Dissipation D High-Reliability Plastic 24 / 26-Lead 300-Mil-Wide Surface-Mount Small-Outline J-Lead (SOJ) Package and 24 / 26-Lead Surface-Mount Thin Small-Outline Package ( TSOP) D Operating Free-Air Temperature Range: 0°C to 70°C D EPIC™ (Enhanced Performance Implanted CMOS) Technology DJ PACKAGE ( TOP VIEW ) DGA PACKAGE ( TOP VIEW ) VCC DQ1 DQ2 W RAS A11† 1 2 3 4 5 6 26 VSS VCC 1 25 DQ4 DQ1 2 24 DQ3 DQ2 3 23 CAS W4 22 OE RAS 5 21 A9 A11† 6 26 VSS 25 DQ4 24 DQ3 23 CAS 22 OE 21 A9 A10 A0 A1 A2 A3 VCC 8 9 10 11 12 13 19 A8 A10 8 18 A7 A0 9 17 A6 A1 10 16 A5 A2 11 15 A4 A3 12 14 VSS...