參數(shù)資料
型號: IDT70V08L20PFI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 64K x 8 DUAL-PORT STATIC RAM
中文描述: 64K X 8 DUAL-PORT SRAM, 20 ns, PQFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
文件頁數(shù): 9/20頁
文件大?。?/td> 163K
代理商: IDT70V08L20PFI
9
IDT70V08S/L
High-Speed 64K x 8 Dual-Port Static RAM Industrial and Commercial Temperature Ranges
NOTES:
1. Transition is measured 0mV fromLow or High-impedance voltage with Output Test Load (Figure 2).
2.
This parameter is guaranted by device characterization, but is not production tested.
3.
To access RAM
CE
= V
IL
and
SEM
= V
IH
. To access semaphore,
CE
= V
IH
and
SEM
= V
IL
. Either condition must be valid for the entire t
EW
time.
4.
The specification for t
DH
must be met by the device supplying write data to the RAMunder all operating conditions. Although t
DH
and t
OW
values will vary over voltage and
temperature, the actual t
DH
will always be smaller than the actual t
OW
.
5.
'X' in part numbers indicates power rating (S or L).
6
Industrial temperature: for specific speeds, packages and powers contact your sales office.
82(:2
()'*+,
/!;#
Symbol
Parameter
70V08X15
Com'l Only
70V08X20
Com'l Only
Unit
Min.
Max.
Min.
Max.
WRITE CYCLE
t
WC
Write Cycle Time
15
____
20
____
ns
t
EW
Chip Enable to End-of-Write
(3)
12
____
15
____
ns
t
AW
Address Valid to End-of-Write
12
____
15
____
ns
t
AS
Address Set-up Time
(3)
0
____
0
____
ns
t
WP
Write Pulse Width
12
____
15
____
ns
t
WR
Write Recovery Time
0
____
0
____
ns
t
DW
Data Valid to End-of-Write
10
____
15
____
ns
t
HZ
Output High-Z Time
(1,2)
____
10
____
10
ns
t
DH
Data Hold Time
(4)
0
____
0
____
ns
t
WZ
Write Enable to Output in High-Z
(1,2)
____
10
____
10
ns
t
OW
Output Active fromEnd-of-Write
(1,2,4)
0
____
0
____
ns
t
SWRD
SEM
Flag Write to Read Time
5
____
5
____
ns
t
SPS
SEM
Flag Contention Window
5
____
5
____
ns
3740 tbl 13a
Symbol
Parameter
70V08X25
Com'l Only
70V08X35
Com'l Only
Unit
Min.
Max.
Min.
Max.
WRITE CYCLE
t
WC
Write Cycle Time
25
____
35
____
ns
t
EW
Chip Enable to End-of-Write
(3)
20
____
30
____
ns
t
AW
Address Valid to End-of-Write
20
____
30
____
ns
t
AS
Address Set-up Time
(3)
0
____
0
____
ns
t
WP
Write Pulse Width
20
____
25
____
ns
t
WR
Write Recovery Time
0
____
0
____
ns
t
DW
Data Valid to End-of-Write
15
____
20
____
ns
t
HZ
Output High-Z Time
(1,2)
____
15
____
20
ns
t
DH
Data Hold Time
(4)
0
____
0
____
ns
t
WZ
Write Enable to Output in High-Z
(1,2)
____
15
____
20
ns
t
OW
Output Active fromEnd-of-Write
(1,2,4)
0
____
0
____
ns
t
SWRD
SEM
Flag Write to Read Time
5
____
5
____
ns
t
SPS
SEM
Flag Contention Window
5
____
5
____
ns
3740 tbl 13b
相關(guān)PDF資料
PDF描述
IDT70V08L25PF HIGH-SPEED 64K x 8 DUAL-PORT STATIC RAM
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