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CY7C1399B-15VXIT PDF预览

CY7C1399B-15VXIT

更新时间: 2024-11-09 20:04:55
品牌 Logo 应用领域
赛普拉斯 - CYPRESS 静态存储器光电二极管内存集成电路
页数 文件大小 规格书
10页 180K
描述
Cache SRAM, 32KX8, 15ns, CMOS, PDSO28, 0.300 INCH, LEAD FREE, SOJ-28

CY7C1399B-15VXIT 技术参数

生命周期:Obsolete零件包装代码:SOJ
包装说明:SOJ,针数:28
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.32.00.41Factory Lead Time:1 week
风险等级:5.39最长访问时间:15 ns
JESD-30 代码:R-PDSO-J28JESD-609代码:e4
长度:17.907 mm内存密度:262144 bit
内存集成电路类型:CACHE SRAM内存宽度:8
功能数量:1端子数量:28
字数:32768 words字数代码:32000
工作模式:ASYNCHRONOUS最高工作温度:85 °C
最低工作温度:-40 °C组织:32KX8
封装主体材料:PLASTIC/EPOXY封装代码:SOJ
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
并行/串行:PARALLEL认证状态:Not Qualified
座面最大高度:3.556 mm最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):3 V标称供电电压 (Vsup):3.3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:NICKEL PALLADIUM GOLD
端子形式:J BEND端子节距:1.27 mm
端子位置:DUAL宽度:7.5 mm
Base Number Matches:1

CY7C1399B-15VXIT 数据手册

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CY7C1399B  
256K(32K x 8) Static RAM  
active LOW Output Enable (OE) and three-state drivers. The  
device has an automatic power-down feature, reducing the  
power consumption by more than 95% when deselected.  
Features  
• Single 3.3V power supply  
• Ideal for low-voltage cache memory applications  
• High speed  
An active LOW Write Enable signal (WE) controls the  
writing/reading operation of the memory. When CE and WE  
inputs are both LOW, data on the eight data input/output pins  
(I/O0 through I/O7) is written into the memory location  
addressed by the address present on the address pins (A0  
through A14). Reading the device is accomplished by selecting  
the device and enabling the outputs, CE and OE active LOW,  
while WE remains inactive or HIGH. Under these conditions,  
the contents of the location addressed by the information on  
address pins is present on the eight data input/output pins.  
— 10/12/15 ns  
• Low active power  
— 216 mW (max.)  
• Low-power alpha immune 6T cell  
• Plastic SOJ and TSOP packaging  
Functional Description[1]  
The input/output pins remain in a high-impedance state unless  
the chip is selected, outputs are enabled, and Write Enable  
(WE) is HIGH. The CY7C1399B is available in 28-pin standard  
300-mil-wide SOJ and TSOP Type I packages.  
The CY7C1399B is a high-performance 3.3V CMOS Static  
RAM organized as 32,768 words by 8 bits. Easy memory  
expansion is provided by an active LOW Chip Enable (CE) and  
Logic Block Diagram  
Pin Configurations  
SOJ  
Top View  
A
A
V
28  
27  
26  
1
2
3
4
5
6
5
CC  
WE  
6
A
A
7
A
4
A
3
8
25  
24  
A
9
A
2
A
10  
A
11  
A
12  
23  
22  
A
1
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
7
8
9
10  
11  
12  
13  
OE  
A
0
CE  
I/O  
I/O  
0
1
2
3
4
5
6
21  
20  
19  
18  
17  
INPUT BUFFER  
A
A
13  
A
14  
7
0
I/O  
I/O  
I/O  
A
0
1
2
6
5
4
1
I/O  
A
2
16  
15  
A
I/O  
I/O  
3
A
GND  
14  
4
3
32K x 8  
ARRAY  
A
5
A
6
A
7
A
8
A
9
CE  
WE  
POWER  
DOWN  
COLUMN  
DECODER  
I/O  
7
OE  
Selection Guide  
1399B-10  
1399B-12  
1399B-15  
1399B-20  
Unit  
ns  
Maximum Access Time  
10  
60  
12  
55  
15  
50  
20  
45  
Maximum Operating Current  
mA  
µA  
Maximum CMOS Standby Current  
500  
50  
500  
50  
500  
50  
500  
50  
L
µA  
Note:  
1. For guidelines on SRAM system design, please refer to the ‘System Design Guidelines’ Cypress application note, available on the internet at www.cypress.com.  
Cypress Semiconductor Corporation  
Document #: 38-05071 Rev. *D  
• 3901 North First Street  
• San Jose, CA 95134  
408-943-2600  
Revised July 11, 2005  

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