參數(shù)資料
型號: SST34HF1621
廠商: Silicon Storage Technology, Inc.
元件分類: 組合存儲器
英文描述: 16 Mbit Concurrent SuperFlash + 2 / 4 Mbit SRAM ComboMemory
中文描述: 16兆位并行快閃2 / 4兆位的SRAM ComboMemory
文件頁數(shù): 14/32頁
文件大小: 486K
代理商: SST34HF1621
14
Data Sheet
16 Mbit Concurrent SuperFlash + 2 / 4 Mbit SRAM ComboMemory
SST34HF1621 / SST34HF1641
2001 Silicon Storage Technology, Inc.
S71172-05-000
10/01 523
AC CHARACTERISTICS
TABLE 12: SRAM R
EAD
C
YCLE
T
IMING
P
ARAMETERS
Symbol
T
RCS
T
AAS
T
BES
T
OES
T
BYES
T
BLZS1
T
OLZS1
T
BYLZS1
T
BHZS1
T
OHZS1
T
BYHZS1
T
OHS
Parameter
Read Cycle Time
Address Access Time
Bank Enable Access Time
Output Enable Access Time
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
Output Hold from Address Change
SST34HF1621/1641-70
Min
70
SST34HF1621/1641-90
Min
90
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Max
Max
70
70
35
70
90
90
45
90
1. This parameter is measured only for initial qualification and after a design or process change that could affect this parameter.
0
0
0
0
0
0
25
25
35
35
35
45
10
10
T12.3 523
TABLE 13: SRAM W
RITE
C
YCLE
T
IMING
P
ARAMETERS
Symbol
T
WCS
T
BWS
T
AWS
T
ASTS
T
WPS
T
WRS
T
BYWS
T
ODWS
T
OEWS
T
DSS
T
DHS
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
SST34HF1621/1641-70
Min
70
60
60
0
60
0
60
SST34HF1621/1641-90
Min
90
80
80
0
80
0
80
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Max
Max
30
40
0
0
30
0
40
0
T13.3 523
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