AT75C310 datasheet(4/12 Pages) ATMEL

部件名	AT75C310

功能描述	Smart Internet Appliance Processor

PDF	12 Pages

Scroll/Zoom	100%

制造商	ATMEL [ATMEL Corporation]

网页	http://www.atmel.com

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AT75C310

Figure 3. DRAM Read Cycle (Burst Read)

Table 2. DRAM Read Cycle (Burst Read) Timings

Symbol

Parameter

Min (ns)

Max (ns)

CPRH

RAS Hold Time from CAS Precharge

48.0

–

tCSH

CAS Hold Time

61.0

–

RCD

RAS to CAS Delay Time

41.0

–

CAS

CAS Pulse Width

20.0

–

tCP

CAS Precharge Time

19.0

–

ASR

Row Address Setup Time

1.5

RAH

Row Address Hold Time

22.0

tASC

Column Address Setup Time

15.0

CAH

Column Address Hold Time

21.0

CAC

Access Time from CAS

–

22.0

tOEA

Access Time from NDOE

–

34.0

Access Time from Column Address

–

38.0

RAC

Access Time from RAS

–

63.0

tCPA

Access Time from CAS Precharge

–

43.0

OHO

Data Hold from NDOE

–

DOH

Data Hold from CAS Low

–

tAA

tRAC

tOEA

tCAC

tRCD

tCSH

tCPRH

tCAS

tCAH

tASC

tRAH

tASR

NDOE

NCASx

NRASx

tCAS

tCP

tCAH

tASC

tCAC

tAA

tDOH

tCPA

tOHO

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