SST32HF1681-70-4C-LS 查看數據表（PDF） - Silicon Storage Technology
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SST32HF1681-70-4C-LS Datasheet PDF : 36 Pages
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Multi-Purpose Flash Plus + SRAM ComboMemory
SST32HF1641 / SST32HF1681 / SST32HF3241 / SST32HF3281
SST32HF1621C / SST32HF1641C / SST32HF3241C
AC CHARACTERISTICS
Preliminary Specifications
TABLE 10: SRAM READ CYCLE TIMING PARAMETERS
Symbol Parameter
Min
Max
Units
TRCS
Read Cycle Time
70
ns
TAAS
Address Access Time
70
ns
TBES
Bank Enable Access Time
70
ns
TOES
Output Enable Access Time
35
ns
TBYES
TBLZS1
TOLZS1
TBYLZS1
TBHZS1
TOHZS1
TBYHZS1
UBS#, LBS# Access Time
BES# to Active Output
Output Enable to Active Output
UBS#, LBS# to Active Output
BES# to High-Z Output
Output Disable to High-Z Output
UBS#, LBS# to High-Z Output
70
ns
0
ns
0
ns
0
ns
25
ns
0
25
ns
35
ns
TOHS
Output Hold from Address Change
10
ns
T10.1 1236
1. This parameter is measured only for initial qualification and after a design or process change that could affect this parameter.
TABLE 11: SRAM WRITE CYCLE TIMING PARAMETERS
Symbol
TWCS
TBWS
TAWS
TASTS
TWPS
TWRS
TBYWS
TODWS
TOEWS
TDSS
TDHS
Parameter
Write Cycle Time
Bank Enable to End-of-Write
Address Valid to End-of-Write
Address Set-up Time
Write Pulse Width
Write Recovery Time
UBS#, LBS# to End-of-Write
Output Disable from WE# Low
Output Enable from WE# High
Data Set-up Time
Data Hold from Write Time
Min
Max
Units
70
ns
60
ns
60
ns
0
ns
60
ns
0
ns
60
ns
30
ns
0
ns
30
ns
0
ns
T11.1 1236
©2005 Silicon Storage Technology, Inc.
13
S71236-04-000
5/05
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