SMJ44C256 Datasheet, PDF (19/21 Pages) Texas Instruments – 262144 BY 4-BIT DYNAMIC RANDOM-ACCESS MEMORY

RAS
td(RHCL)R
td(CLRL)R
CAS
SMJ44C256
262144 BY 4-BIT
DYNAMIC RANDOM-ACCESS MEMORY
SGMS034C – MAY 1989 – REVISED JUNE 1995
PARAMETER MEASUREMENT INFORMATION
tw(RH)
tc(rd)
tw(RL)
tt
td(RLCH)R
A0 – A8
DQ1–DQ4
G
Don’t Care
Hi-Z
Don’t Care
W
Don’t Care
Figure 11. Automatic CBR Refresh-Cycle Timing
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19