参数资料
型号: IDT70T631S
厂商: Integrated Device Technology, Inc.
英文描述: 122 x 32 pixel format, Compact LCD size
中文描述: 高速2.5V的512/256K与3.3V 5011 2.5V的接口× 18 ASYNCHRONO美国双端口静态RAM
文件页数: 16/27页
文件大小: 342K
代理商: IDT70T631S
IDT70T633/1S
High-Speed 2.5V 512/256K x 18 Asynchronous Dual-Port Static RAM Industrial and Commercial Temperature Ranges
Timing Waveform of Semaphore Read after Write Timing, Either Side
(1)
Preliminary
16
NOTES:
1. D
OR
= D
OL
= V
IL
,
CE
0L
=
CE
0R
= V
IH
; CE
1L
= CE
1R
= V
IL
. Refer also to Truth Table II for appropriate
UB
/
LB
controls.
2. All timing is the same for left and right ports. Port "A" may be either left or right 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,the semaphore will fall positively to one side or the other, but there is no guarantee which side will be granted the semaphore flag.
Timing Waveform of Semaphore Write Contention
(1,3,4)
NOTES:
1.
CE
0
= V
IH
and CE
1
= V
IL
are required for the duration of both the write cycle and the read cycle waveforms shown above. Refer to Truth Table II for details and for
appropriate
UB
/
LB
controls.
2. "DATA
OUT
VALID" represents all I/O's (I/O
0
- I/O
17
) equal to the semaphore value.
SEM
(1)
5670 drw 12
t
AW
t
EW
I/O
VALID ADDRESS
t
SAA
R/
W
t
WR
t
OH
t
ACE
VALID ADDRESS
DATA
VALID
IN
DATA
OUT
VALID
(2)
t
DW
t
WP
t
DH
t
AS
t
SWRD
Read Cycle
Write Cycle
A
0
-A
2
OE
t
SOP
t
SOP
.
t
SOE
SEM
"A"
5670 drw 13
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
"B"
(2)
.
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IDT70T631S10BC8 功能描述:IC SRAM 4MBIT 10NS 256BGA RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:3,000 系列:- 格式 - 存储器:EEPROMs - 串行 存储器类型:EEPROM 存储容量:8K (1K x 8) 速度:400kHz 接口:I²C,2 线串口 电源电压:1.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 封装/外壳:8-SOIC(0.154",3.90mm 宽) 供应商设备封装:8-SOIC 包装:带卷 (TR)
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IDT70T631S10BCI8 功能描述:IC SRAM 4MBIT 10NS 256BGA RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:3,000 系列:- 格式 - 存储器:EEPROMs - 串行 存储器类型:EEPROM 存储容量:8K (1K x 8) 速度:400kHz 接口:I²C,2 线串口 电源电压:1.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 封装/外壳:8-SOIC(0.154",3.90mm 宽) 供应商设备封装:8-SOIC 包装:带卷 (TR)
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