參數(shù)資料
型號(hào): IDT7024L25PFB
廠(chǎng)商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類(lèi): DRAM
英文描述: 50A, Smart Power Module for Single-phase SR Motor Drive; Package: SPM27-DA; No of Pins: 27; Container: Rail
中文描述: 4K X 16 DUAL-PORT SRAM, 25 ns, PQFP100
封裝: TQFP-100
文件頁(yè)數(shù): 11/20頁(yè)
文件大?。?/td> 292K
代理商: IDT7024L25PFB
IDT7024S/L
HIGH-SPEED 4K x 16 DUAL-PORT STATIC RAM
MILITARY AND COMMERCIAL TEMPERATURE RANGES
6.15
11
TIMING WAVEFORM OF SEMAPHORE READ AFTER WRITE TIMING, EITHER SIDE
(1)
NOTES:
1.
CE
= V
IH
or
UB
&
LB
= V
IH
for the duration of the above timing (both write and read cycle).
2. "DATA
OUT
VALID" represents all I/O's (I/O
0
-I/O
15
) equal to the semaphore value.
NOTES:
1. D
0R
= D
0L
= V
IL
,
CE
R
=
CE
L
= V
IH
, or both
UB
&
LB
= V
IH
, Semaphore Flag is released from both sides (reads as ones from both sides) at cycle start.
2. All timing is the same for left and right ports. Port “A” may be either left or right port. Port “B” is the opposite from port “A”.
3. This parameter is measured from R/
W
A
or
SEM
A
going High to R/
W
B
or
SEM
B
going High.
4. If t
SPS
is not satisfied, there is no guarantee which side will be granted the Semaphore flag.
TIMING WAVEFORM OF SEMAPHORE WRITE CONTENTION
(1,3,4)
SEM
"A"
2740 drw 12
t
SPS
MATCH
R/
W
"A"
MATCH
A
0"A"
-A
2"A"
SIDE
“A”
(2)
SEM
"B"
R/
W
"B"
A
0"B"
-A
2"B"
SIDE
(2)
“B”
SEM
2740 drw 11
t
AW
t
EW
t
SOP
I/O
0
VALID ADDRESS
t
SAA
R/
W
t
WR
t
OH
t
ACE
VALID ADDRESS
DATA
IN
VALID
DATA
OUT
VALID
(2)
t
DW
t
WP
t
DH
t
AS
t
SWRD
t
AOE
Read Cycle
Write Cycle
A
0
-A
2
OE
相關(guān)PDF資料
PDF描述
IDT7024S HIGH-SPEED 4K x 16 DUAL-PORT STATIC RAM
IDT7024S15F HIGH-SPEED 4K x 16 DUAL-PORT STATIC RAM
IDT7024S15G HIGH-SPEED 4K x 16 DUAL-PORT STATIC RAM
IDT7024S15GB HIGH-SPEED 4K x 16 DUAL-PORT STATIC RAM
IDT7024S15J HIGH-SPEED 4K x 16 DUAL-PORT STATIC RAM
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