參數(shù)資料
型號(hào): IDT70824S25PF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 4K X 16 SEQUENTIAL ACCESS RANDOM ACCESS MEMORY (SARAM⑩)
中文描述: 4K X 16 STANDARD SRAM, 25 ns, PQFP80
封裝: TQFP-80
文件頁數(shù): 18/21頁
文件大?。?/td> 205K
代理商: IDT70824S25PF
18
IDT70824S/L
High-Speed 4K x 16 Sequential Access Random Access Memory Military and Commercial Temperature Ranges
A6A2"$%
STRT
EOB
)!
NOTES:
(Also used in Figure "Read
STRT
/
EOB
Flag Timng")
1. If
SSTRT
1
or
SSTRT
2
= V
IL
, then address will be clocked in on the SCLK's rising edge.
2. If
CNTEN
= V
IH
for the SCLK's rising edge, the internal address counter will not advance.
3.
SOE
will control the output and should be HIGH on power-up. If
SCE
= V
IL
and is clocked in while SR/
W
= V
IH
, the data addressed will be read out within that
cycle. If
SCE
= V
IL
and is clocked in while SR/
W
= V
IL
, the data addressed will be written to if the last cycle was a read.
SOE
may be used to control the bus
contention and permt a write on this cycle.
4. Unlike
SLD
case,
CNTEN
is not disabled on cycle immediately following
SSTRT
.
5. If SR/
W
= V
IL
, data would be written to D
0
again since
CNTEN
= V
IH
.
6.
SOE
= V
IL
makes no difference at this point since the SR/
W
= V
IL
disables the output until SR/
W
= V
IH
is clocked in on the next rising clock edge.
SSTRT
1/2
CNTEN
D3
SR/
W
SCE
SOE
SCLK
t
CH
t
CL
t
EH
t
ES
t
EH
t
ES
(4)
(1)
(3)
Dx
HIGH IMPEDANCE
t
WS
t
WH
t
WS
t
WH
t
CKLZ
t
WS
t
WH
t
WS
t
WH
(2)
D2
D1
D3
t
DS
t
DH
t
CD
(6)
HIGH IMPEDANCE
D0
EOB
1/2
t
EB
SI/O
IN
SI/O
OUT
3099 drw 22
(5)
相關(guān)PDF資料
PDF描述
IDT70824S25PFB HIGH-SPEED 4K X 16 SEQUENTIAL ACCESS RANDOM ACCESS MEMORY (SARAM⑩)
IDT70824S35G HIGH-SPEED 4K X 16 SEQUENTIAL ACCESS RANDOM ACCESS MEMORY (SARAM⑩)
IDT70824S35GB HIGH-SPEED 4K X 16 SEQUENTIAL ACCESS RANDOM ACCESS MEMORY (SARAM⑩)
IDT70824L Low-Noise JFET-Input Operational Amplifier 8-SOIC 0 to 70
IDT70824L25G Low-Noise JFET-Input Operational Amplifier 8-SOIC 0 to 70
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