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參數(shù)資料
| 型號： | IDT71342LA25J |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | DRAM |
| 英文描述： | HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM WITH SEMAPHORE |
| 中文描述： | 4K X 8 DUAL-PORT SRAM, 25 ns, PQCC52 |
| 封裝： | PLASTIC, LCC-52 |
| 文件頁數(shù)： | 9/13頁 |
| 文件大小： | 144K |
| 代理商： | IDT71342LA25J |
6.05
9
IDT71342SA/LA
HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM WITH SEMAPHORE
COMMERCIAL TEMPERATURE RANGE
TIMING WAVEFORM OF SEMAPHORE READ AFTER WRITE TIMING, EITHER SIDE
(1)
NOTES:
1.
CE
= 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
7
) equal to the semaphore value.
NOTES:
1. D
0R
= D
0L
= V
IL
,
CE
R
=
CE
L
= 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 the point where R/
W
"
A
" or
SEM
"
A
" goes High until R/
W
"
B
" or
SEM
"
B
" goes High.
4. If t
SPS
is not satisfied, there is no guarantee which side will be granted the semaphore flag.
A
0"A"
- A
2"A"
t
SPS
R/
W
"A"
SEM
"A"
"A"
SIDE
(2)
A
0"B"
- A
2"B"
R/
W
"
B
"
SEM
"B"
"B"
SIDE
MATCH
MATCH
2721 drw 13
(2)
TIMING WAVEFORM OF SEMAPHORE CONTENTION
(1, 3, 4)
A
0
- A
2
VALID ADDRESS
VALID ADDRESS
DATA
IN
VALID
DATA
OUT
VALID
SEM
R/
W
OE
DATA
0
t
AW
t
EW
t
WR
t
DW
t
DH
t
WP
t
AS
t
SWRD
t
SOP
t
AOE
t
ACE
t
SAA
t
OH
Test Cycle
(Read Cycle)
Write Cycle
2721 drw 12
(2)
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| IDT71342LA25J8 | 功能描述:IC SRAM 32KBIT 25NS 52PLCC RoHS:否 類別:集成電路 (IC) >> 存儲器 系列:- 標(biāo)準(zhǔn)包裝:72 系列:- 格式 - 存儲器:RAM 存儲器類型:SRAM - 同步 存儲容量:9M（256K x 36） 速度:75ns 接口:并聯(lián) 電源電壓:3.135 V ~ 3.465 V 工作溫度:-40°C ~ 85°C 封裝/外殼:100-LQFP 供應(yīng)商設(shè)備封裝:100-TQFP（14x14） 包裝:托盤 其它名稱:71V67703S75PFGI |
| IDT71342LA25JGI | 制造商:Integrated Device Technology Inc 功能描述:IC SRAM 32KBIT 25NS 52PLCC |
| IDT71342LA25JGI8 | 制造商:Integrated Device Technology Inc 功能描述:IC SRAM 32KBIT 25NS 52PLCC |
| IDT71342LA25JI | 功能描述:IC SRAM 32KBIT 25NS 52PLCC RoHS:否 類別:集成電路 (IC) >> 存儲器 系列:- 標(biāo)準(zhǔn)包裝:72 系列:- 格式 - 存儲器:RAM 存儲器類型:SRAM - 同步 存儲容量:9M（256K x 36） 速度:75ns 接口:并聯(lián) 電源電壓:3.135 V ~ 3.465 V 工作溫度:-40°C ~ 85°C 封裝/外殼:100-LQFP 供應(yīng)商設(shè)備封裝:100-TQFP（14x14） 包裝:托盤 其它名稱:71V67703S75PFGI |
| IDT71342LA25JI8 | 功能描述:IC SRAM 32KBIT 25NS 52PLCC RoHS:否 類別:集成電路 (IC) >> 存儲器 系列:- 標(biāo)準(zhǔn)包裝:72 系列:- 格式 - 存儲器:RAM 存儲器類型:SRAM - 同步 存儲容量:9M（256K x 36） 速度:75ns 接口:并聯(lián) 電源電壓:3.135 V ~ 3.465 V 工作溫度:-40°C ~ 85°C 封裝/外殼:100-LQFP 供應(yīng)商設(shè)備封裝:100-TQFP（14x14） 包裝:托盤 其它名稱:71V67703S75PFGI |
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