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| 型號： | SMJ44C256 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 262144 BY 4-BIT DYNAMIC RANDOM-ACCESS MEMORY |
| 中文描述： | 262144 4位動態(tài)隨機(jī)存取存儲器 |
| 文件頁數(shù)： | 10/21頁 |
| 文件大?。?/td> | 323K |
| 代理商： | SMJ44C256 |
SMJ44C256
262144 BY 4-BIT
DYNAMIC RANDOM-ACCESS MEMORY
SGMS034C – MAY 1989 – REVISED JUNE 1995
10
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
PARAMETER MEASUREMENT INFORMATION
DQ1–DQ4
tc(rd)
tw(RL)
td(RLCL)
td(RLCH)
td(CLRH)
tw(CL)
tt
tw(RH)
td(CHRL)
tw(CH)
td(CACH)
td(CARH)
tsu(CA)
td(RLCA)
th(RA)
tsu(RA)
th(RLCA)
th(CA)
th(RHrd)
th(CHrd)
tsu(rd)
ta(C)
ta(CA)
tdis(CH)
tdis(G)
ta(RL)
ta(G)
td(GLRH)
Valid
Row
Column
Don’t Care
Don’t Care
RAS
CAS
A0–A8
W
G
Hi-Z
Don’t Care
Don’t Care
Don’t Care
See Note A
NOTE B: Output can go from the high-impedance state to an invalid-data state prior to the specified access time.
Figure 2. Read-Cycle Timing
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