TMS417409A

TMS416409A, TMS417409A, TMS426409A, TMS427409A 4194304 BY 4-BIT EXTENDED DATA OUT DYNAMIC RANDOM-ACCESS MEMORIES SMKS893B – AUGUST 1996 – REVISED APRIL 1997 D D D This data sheet is applicable to all TMS41x409As and TMS42x409As symbolized by Revision “B”, Revision “E”, and subsequent revisions as described in the device symbolization section. Organization . . . 4 194 304 × 4 Single Power Supply (5 V or 3.3 V) Performance Ranges: ACCESS ACCESS ACCESS TIME TIME TIME tRAC tCAC tAA MAX MAX MAX 50 ns 13 ns 25 ns 60 ns 15 ns 30 ns 70 ns 18 ns 35 ns 50 ns 13 ns 25 ns 60 ns 15 ns 30 ns 70 ns 18 ns 35 ns EDO CYCLE tHPC MIN 20 ns 25 ns 30 ns 20 ns 25 ns 30 ns DJ/DGA PACKAGES ( TOP VIEW ) VCC DQ1 DQ2 W RAS A11† A10 A0 A1 A2 A3 VCC 1 2 3 4 5 6 8 9 10 11 12 13 26 25 24 23 22 21 19 18 17 16 15 14 VSS DQ4 DQ3 CAS OE A9 A8 A7 A6 A5 A4 VSS D D D D D ’41x409A-50 ’41x409A-60 ’41x409A-70 ’42x409A-50 ’42x409A-60 ’42x409A-70 D Extended-Data-Out (EDO) Operation CAS-Before-RAS ( CBR) Refresh Low Power Dissipation 3-State Unlatched Output High-Reliability Plastic 24 / 26-Lead 300-Mil-Wide Surface-Mount Small-Outline J-Lead (SOJ) Package (DJ Suffix) and 24/26-Lead 300-Mil-Wide Surface-Mount Thin Small-Outline Package (TSOP) (DGA Suffix) Operating Free-Air Temperature Range 0°C to 70°C PIN NOMENCLATURE A0 – A11† DQ1 – DQ4 CAS NC OE RAS VCC VSS W Address Inputs Data In / Data Out Column-Address Strobe No Internal Connection Output Enable Row-Address Strobe 5-V or 3.3-V Supply‡ Ground Write E...