SST34WA3283 Silicon Storage Technology, Inc., SST34WA3283 Datasheet - Page 65

• Manufacturer Part Number: SST34WA3283
• Description: 32 Mbit Burst Mode Concurrent Superflash Combomemory 32 Mbit Burst Mode Concurrent Superflash Combomemory
• Manufacturer: Silicon Storage Technology, Inc.

32 Mbit Burst Mode Concurrent SuperFlash ComboMemory
SST34WA32A3 / SST34WA32A4 / SST34WA3283 / SST34WA3284
©2007 Silicon Storage Technology, Inc.
FIGURE 37: PSRAM Asynchronous Write Followed by Burst Read
A/DQ
Notes: 1. Non-default BCR settings for asynchronous WRITE followed by burst READ: Fixed or variable
LBS#/UBS#
A
15
max
–A/DQ
AVD#
BES#
2. When transitioning between asynchronous and variable-latency burst operations, BES# must go
WAIT
–A
WE#
OE#
CLK
latency; latency code two (three clocks); WAIT active LOW; WAIT asserted during delay.
HIGH. BES# can stay LOW when transitioning to fixed-latency burst READs. A refresh opportunity
must be provided every T
conditions: a) clocked BES# HIGH, or b) BES# HIGH for longer than 15ns.
16
0
VIL
Hi-Z
T
T
AASS
T
Address
VPLS
Valid
Valid Address
BVS
T
T
T
VPHS
BWS
T
WCS
WPLS
T
T
T
T
ASTS
AAHS
BYWS
ASTS
Data
BEPS
T
T
WCS
Valid Address
T
DSS
T
Valid
. A refresh opportunity is satisfied by either of the following two
AWS
Add
T
VWS
T
WCS
DHS
T
Data
WPHS
T
SPS
T
65
SPS
Note 2
T
WRS
Address
Address
Valid
Valid
T
BPHS
T
T
CLK
T
BACCS
T
T
SPS
BESS
SPS
T
High-Z
T
T
HDS
BEWS
HDS
Output
Valid
T
OES
Output
Valid
T
BDHS
Output
Valid
Output
Valid
Advance Information
1358 F38.0
T
High-Z
HDS
T
S71358-01-000
OHZS
11/07