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参数资料
| 型号： | 70T631S12DDGI |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | SRAM |
| 英文描述： | 256K X 18 DUAL-PORT SRAM, 12 ns, PQFP144 |
| 封装： | 20 X 20 MM, 1.40 MM HIEGHT, GREEN, TQFP-144 |
| 文件页数： | 11/27页 |
| 文件大小： | 220K |
| 代理商： | 70T631S12DDGI |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页当前第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页
19
IDT70T633/1S
High-Speed 2.5V 512/256K x 18 Asynchronous Dual-Port Static RAM
Industrial and Commercial Temperature Ranges
AC Electrical Characteristics Over the
Operating Temperature and Supply Voltage Range(1,2)
Waveform of BUSY Arbitration Controlled by CE Timing (M/S = VIH)(1)
Waveform of BUSY Arbitration Cycle Controlled by Address Match
Timing (M/S = VIH)(1,3,4)
NOTES:
1. All timing is the same for left and right ports. Port “A” may be either the left or right port. Port “B” is the port opposite from port “A”.
2. If tAPS is not satisfied, the
BUSY signal will be asserted on one side or another but there is no guarantee on which side BUSY will be asserted.
3.
CEX = VIL when CE0X = VIL and CE1X = VIH. CEX = VIH when CE0X = VIH and/or CE1X = VIL.
4.
CE0X = OEX = LBX = UBX = VIL. CE1X = VIH.
5670 drw 16
ADDR"A"
and "B"
ADDRESSES MATCH
CE"A"(3)
CE"B"(3)
BUSY"B"
tAPS
tBAC
tBDC
(2)
.
5670 drw 17
ADDR"A"
ADDRESS "N"
ADDR"B"
BUSY"B"
tAPS
tBAA
tBDA
(2)
MATCHING ADDRESS "N"
70T633/1S8(3)
Com'l Only
70T633/1S10
Com'l
& Ind
(3)
70T633/1S12
Com'l
& Ind
70T633/1S15
Com'l Only
Symbol
Parameter
Min.Max.Min.Max.Min.Max.Min.Max.
Unit
INTERRUPT TIMING
tAS
Address Set-up Time
0
____
0
____
0
____
0
____
ns
tWR
Write Recovery Time
0
____
0
____
0
____
0
____
ns
tINS
Interrupt Set Time
____
8
____
10
____
12
____
15
ns
tINR
Interrupt Reset Time
____
8
____
10
____
12
____
15
ns
5670 tbl 16
NOTES:
1. Timing is the same for both ports.
2. These values are valid regardless of the power supply level selected for I/O and control signals (3.3V/2.5V). See page 6 for details.
3. 8ns Commercial and 10ns Industrial speed grades are available in BF-208 and BC-256 packages only.
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| 70T631S15BF8 | 制造商:Integrated Device Technology Inc 功能描述:SRAM Chip Async Dual 2.5V 4M-Bit 256K x 18 15ns 208-Pin CABGA T/R 制造商:Integrated Device Technology Inc 功能描述:SRAM ASYNC DUAL 2.5V 4.5MBIT 256KX18 15NS 208FPBGA - Tape and Reel 制造商:Integrated Device Technology Inc 功能描述:256K X 18 STD-PWR, 2.5V DUAL PORT RAM |
| 70T633S10BC | 功能描述:静态随机存取存储器 512K X 18 STD-PWR, 2.5V DUAL PORT RAM RoHS:否 制造商:Cypress Semiconductor 存储容量:16 Mbit 组织:1 M x 16 访问时间:55 ns 电源电压-最大:3.6 V 电源电压-最小:2.2 V 最大工作电流:22 uA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:TSOP-48 封装:Tray |
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