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GVT73256A16J-12 PDF预览

GVT73256A16J-12

更新时间: 2024-11-18 23:54:15
品牌 Logo 应用领域
其他 - ETC 静态存储器
页数 文件大小 规格书
11页 85K
描述
x16 SRAM

GVT73256A16J-12 数据手册

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GVT73256A16  
REVOLUTIONARY PINOUT 256K X 16  
GALVANTECH, INC.  
ASYNCHRONOUS  
SRAM  
256K x 16 SRAM  
+3.3V SUPPLY  
REVOLUTIONARY PINOUT  
FEATURES  
GENERAL DESCRIPTIO N  
Fast access times: 10, 12, and 15ns  
Fast OE# access times: 5, 6, and 7ns  
Single +3.3V +0.3V power supply  
Fully static -- no clock or timing strobes necessary  
All inputs and outputs are TTL-compatible  
Three state outputs  
Center power and ground pins for greater noise immunity  
Easy memory expansion with CE# and OE# options  
Automatic CE# power down  
High-performance, low-power consumption, CMOS  
double-poly, double-metal process  
Packaged in 44-pin, 400-mil SOJ and 44-pin, 400-mil  
TSOP  
The GVT73256A16 is organized as a 262,144 x 16  
SRAM using a four-transistor memory cell with a high  
performance, silicon gate, low-power CMOS process.  
Galvantech SRAMs are fabricated using double-layer  
polysilicon, double-layer metal technology.  
This device offers center power and ground pins for  
improved performance and noise immunity. Static design  
eliminates the need for external clocks or timing strobes. For  
increased system flexibility and eliminating bus contention  
problems, this device offers chip enable (CE#), separate byte  
enable controls (BLE# and BHE#) and output enable (OE#)  
with this organization.  
The device offers a low power standby mode when chip  
is not selected. This allows system designers to meet low  
standby power requirements.  
OPTIONS  
MARKING  
Timing  
10ns access  
12ns access  
15ns access  
-10  
-12  
-15  
PIN ASSIGNMENT  
44-Pin SOJ  
44-Pin TSOP  
Packages  
44-pin SOJ (400 mil)  
44-pin TSOP (400 mil)  
1
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
A0  
A1  
A17  
A16  
J
TS  
2
3
A2  
A3  
A4  
A15  
4
OE#  
BHE#  
BLE#  
DQ16  
DQ15  
DQ14  
DQ13  
VSS  
VCC  
DQ12  
DQ11  
DQ10  
DQ9  
NC  
Power consumption  
Standard  
Low  
5
6
None  
L
CE#  
DQ1  
DQ2  
DQ3  
DQ4  
VCC  
VSS  
DQ5  
DQ6  
DQ7  
DQ8  
WE#  
A5  
7
8
9
Temperature  
Commercial  
Industrial  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
None (0°C to 70°C)  
I
(-40°C to 85°C)  
A14  
A6  
A7  
A8  
A9  
A13  
A12  
A11  
A10  
Galvantech, Inc. reserves the right to chaneg  
products or specifications without notic.e  
Galvantech, Inc. 3080 Oakmead Village Drive, Santa Clara, CA 95051  
Tel (408) 566-0688 Fax (408) 566-0699 Web Site http://www.galvantech.com  
Rev. 7/99