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AT75C310 数据表(PDF) 4 Page - ATMEL Corporation

部件名 AT75C310
功能描述  Smart Internet Appliance Processor Electrical and Mechanical Characteristics
PDF  17 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT75C310 数据表(HTML) 4 Page - ATMEL Corporation

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AT75C310
4
Figure 3. DRAM Read Cycle (Burst Read)
Table 2. DRAM Read Cycle (Burst Read) Timings
Symbol
Parameter
Min (ns)
Max (ns)
t
CPRH
RAS Hold Time from CAS Precharge
48.0
–
tCSH
CAS Hold Time
61.0
–
t
RCD
RAS to CAS Delay Time
41.0
–
t
CAS
CAS Pulse Width
20.0
–
tCP
CAS Precharge Time
19.0
–
t
ASR
Row Address Setup Time
1.5
t
RAH
Row Address Hold Time
22.0
tASC
Column Address Setup Time
15.0
t
CAH
Column Address Hold Time
21.0
t
CAC
Access Time from CAS
–
22.0
tOEA
Access Time from NDOE
–
34.0
t
AA
Access Time from Column Address
–
38.0
t
RAC
Access Time from RAS
–
63.0
tCPA
Access Time from CAS Precharge
–
43.0
t
OHO
Data Hold from NDOE
0
–
t
DOH
Data Hold from CAS Low
0
–
tAA
tRAC
tOEA
tCAC
tRCD
tCSH
tCPRH
tCAS
tCAH
tASC
tRAH
tASR
D
NDOE
A
NCASx
NRASx
tCAS
tCP
tCAH
tASC
tCAC
tAA
tDOH
tCPA
tOHO



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