TMS416400, TMS416400P, TMS417400, TMS417400P

TMS426400, TMS426400P, TMS427400, TMS427400P

4194304-WORD BY 4-BIT HIGH-SPEED DRAMS

SMKS881B – MAY 1995 – REVISED AUGUST 1995

20

POST OFFICE BOX 1443

PARAMETER MEASUREMENT INFORMATION

RAS

CAS

Address

W

OE

DQ1 – DQ4

tRP

Row

Column

Don’t Care

Valid

Out

See Note A

Don’t Care

Valid

Out

tRASP

tRCD

tCSH

tCAS

tCP

tPC

tRSH

tCRP

tRAH

tASC

tRAL

tASR

tAA†

tRRH

tRCH

tCPA†

tRAD

tCAC

tAA

tRAC

tCLZ

tOEZ

tOEA

tOFF

tOEZ

tOEA

Column

tCAH

tRCS

tCAL

tOH

tRHCP

tOHO

tOHO

tCAC†

† Access time is tCPA, tCAC, or tAA dependent.

NOTE A: Output can go from high-impedance state to an invalid-data state prior to the specified access time.

Figure 7. Enhanced-Page-Mode Read-Cycle Timing