saa5249 NXP Semiconductors, saa5249 Datasheet - Page 18
saa5249
Manufacturer Part Number
saa5249
Description
Integrated Vip And Teletext With Background Memory Controller Ivt1.1bmcx
Manufacturer
NXP Semiconductors
Datasheet
1.SAA5249.pdf
(44 pages)
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Philips Semiconductors
1996 Nov 07
DATA OUTPUT
Integrated VIP and Teletext with
Background Memory Controller
DATA INPUT
ADDRESS
RAS
CAS
WE
t ASR
t f
ROW
t RAH
Fig.7 DRAM interface timing; read cycle.
high impedance
t RAD
t RCD
t
DZO
t
RCS
t
RAC
t ASC
t RAS
18
COLUMN
t CAH
high impedance
t RC
t AA
t
RAL
t CAC
t RSH
t CAS
t CSH
DATA VALID
t
t
OFF1
t RP
RRH
t CDD
t
t CRP
Preliminary specification
RCH
SAA5249
MBA732
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