参数资料
型号: IDT71V256SA10YI8
厂商: IDT, Integrated Device Technology Inc
文件页数: 1/8页
文件大小: 0K
描述: IC SRAM 256KBIT 10NS 28SOJ
产品变化通告: Product Discontinuation 26/Oct/2009
标准包装: 1,000
格式 - 存储器: RAM
存储器类型: SRAM - 异步
存储容量: 256K (32K x 8)
速度: 10ns
接口: 并联
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 85°C
封装/外壳: 28-BSOJ
供应商设备封装: 28-SOJ
包装: 带卷 (TR)
其它名称: 71V256SA10YI8
Lower Power
3.3V CMOS Fast SRAM
256K (32K x 8-Bit)
IDT71V256SA
Ideal for high-performance processor secondary cache
Features
Description
The IDT71V256SA is a 262,144-bit high-speed static RAM organized
Commercial (0°C to +70°C) and Industrial (–40°C to +85°C)
temperature range options
Fast access times:
– Commercial and Industrial: 10/12/15/20ns
Low standby current (maximum):
– 2mA full standby
Small packages for space-efficient layouts:
– 28-pin 300 mil SOJ
– 28-pin TSOP Type I
Produced with advanced high-performance CMOS
technology
Inputs and outputs are LVTTL-compatible
Single 3.3V(±0.3V) power supply
as 32K x 8. It is fabricated using IDT’s high-performance, high-reliability
CMOS technology.
The IDT71V256SA has outstanding low power characteristics while
at the same time maintaining very high performance. Address access
times of as fast as 10ns are ideal for 3.3V secondary cache in 3.3V
desktop designs.
When power management logic puts the IDT71V256SA in standby
mode, its very low power characteristics contribute to extended battery life.
By taking CS HIGH, the SRAM will automatically go to a low power standby
mode and will remain in standby as long as CS remains HIGH. Further-
more, under full standby mode ( CS at CMOS level, f=0), power consump-
tion is guaranteed to always be less than 6.6mW and typically will be much
smaller.
The IDT71V256SA is packaged in a 28-pin 300 mil SOJ and a 28-pin
300 mil TSOP Type I.
Functional Block Diagram
A 0
V CC
A 14
ADDRESS
DECODER
262,144 BIT
MEMORY ARRAY
GND
I/O 0
INPUT
I/O CONTROL
DATA
CIRCUIT
I/O 7
CS
,
OE
WE
CONTROL
CIRCUIT
1
3101 drw 01
JUNE 2012
?2012 Integrated Device Technology, Inc.
DSC-3101/09
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