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AT75C310 Folha de dados(PDF) 3 Page - ATMEL Corporation

Nome de Peças AT75C310
Descrição Electrónicos  Smart Internet Appliance Processor
PDF  12 Pages
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Fabricante Electrônico  ATMEL [ATMEL Corporation]
Página de início  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT75C310 Folha de dados(HTML) 3 Page - ATMEL Corporation

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AT75C310
3
Memory Timing Waveforms
Figure 2. DRAM Read Cycle (Single Read)
Table 1. DRAM Read Cycle (Single Read) Timings
Symbol
Parameter
Min (ns)
Max (ns)
tRC
Read or Write Cycle Time
125.0
–
t
RAS
RAS Pulse Width
82.0
–
t
RP
RAS Precharge Time
42.0
–
tCSH
CAS Hold Time
61.0
–
t
CRP
CAS to RAS Precharge Time
49.0
–
t
RCD
RAS to CAS Delay Time
41.0
–
tRSH
RAS Hold Time
29.0
–
t
CAS
CAS Pulse Width
20.0
–
t
ASR
Row Address Setup Time
1.0
tRAH
Row Address Hold Time
22.0
t
ASC
Column Address Setup Time
15.0
t
CAH
Column Address Hold Time
21.0
tCAC
Access Time from CAS
–
22.0
t
OEA
Access Time from NDOE
–
34.0
t
AA
Access Time from Column Address
–
38.0
tRAC
Access Time from RAS
–
63.0
t
OHO
Data Hold from NDOE
0
–
tOHO
tAA
tRAC
tOEA
tCAC
tRC
tRP
tRAS
tRCD
tRSH
tCSH
tCRP
tCAS
tCAH
tASC
tRAH
tASR
D
NDOE
A
NCASx
NRASx



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