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CY7C1041CV33_06 PDF预览

CY7C1041CV33_06

更新时间: 2024-01-22 12:48:28
品牌 Logo 应用领域
赛普拉斯 - CYPRESS /
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12页 599K
描述
4-Mbit (256K x 16) Static RAM

CY7C1041CV33_06 数据手册

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CY7C1041CV33  
4-Mbit (256K x 16) Static RAM  
Features  
Functional Description[1]  
• Pin equivalent to CY7C1041BV33  
• Temperature Ranges  
The CY7C1041CV33 is a high-performance CMOS Static  
RAM organized as 262,144 words by 16 bits.  
Writing to the device is accomplished by taking Chip Enable  
(CE) and Write Enable (WE) inputs LOW. If Byte LOW Enable  
(BLE) is LOW, then data from I/O pins (I/O0–I/O7), is written  
into the location specified on the address pins (A0–A17). If Byte  
HIGH Enable (BHE) is LOW, then data from I/O pins  
(I/O8–I/O15) is written into the location specified on the  
address pins (A0–A17).  
— Commercial: 0°C to 70°C  
— Industrial: –40°C to 85°C  
— Automotive-A: –40°C to 85°C  
— Automotive-E: –40°C to 125°C  
• High speed  
— tAA = 10 ns  
Reading from the device is accomplished by taking Chip  
Enable (CE) and Output Enable (OE) LOW while forcing the  
Write Enable (WE) HIGH. If Byte LOW Enable (BLE) is LOW,  
then data from the memory location specified by the address  
pins will appear on I/O0 – I/O7. If Byte HIGH Enable (BHE) is  
LOW, then data from memory will appear on I/O8 to I/O15. See  
the truth table at the back of this data sheet for a complete  
description of Read and Write modes.  
• Low active power  
— 324 mW (max.)  
• 2.0V data retention  
• Automatic power-down when deselected  
• TTL-compatible inputs and outputs  
• Easy memory expansion with CE and OE features  
The input/output pins (I/O0–I/O15  
)
are placed in  
a
high-impedance state when the device is deselected (CE  
HIGH), the outputs are disabled (OE HIGH), the BHE and BLE  
are disabled (BHE, BLE HIGH), or during a Write operation  
(CE LOW, and WE LOW).  
• Available in Pb-free and non Pb-free 44-pin 400-mil-  
SOJ, 44-pin TSOP II and 48-ball FBGA packages  
The CY7C1041CV33 is available in a standard 44-pin  
400-mil-wide body width SOJ and 44-pin TSOP II package  
with center power and ground (revolutionary) pinout, as well  
as a 48-ball fine-pitch ball grid array (FBGA) package.  
Logic Block Diagram  
Pin Configuration  
SOJ/  
TSOP II  
Top View  
INPUT BUFFER  
44  
43  
42  
41  
40  
39  
38  
1
2
3
4
5
6
A
A
17  
0
A
A
16  
A
0
1
A
A
15  
A
1
2
A
2
A
OE  
BHE  
BLE  
3
I/O –I/O  
256K × 16  
0
7
A
A
3
4
ARRAY  
A
4
CE  
I/O –I/O  
A
I/O  
I/O  
5
7
8
15  
0
15  
A
6
37  
36  
35  
34  
33  
32  
I/O  
I/O  
8
I/O  
I/O  
1
2
14  
13  
12  
A
7
9
A
8
10  
11  
12  
13  
I/O  
V
SS  
I/O  
3
CC  
V
SS  
V
V
CC  
I/O  
I/O  
I/O  
4
5
6
7
11  
10  
COLUMN  
DECODER  
31  
30  
29  
28  
I/O  
I/O  
I/O  
14  
15  
16  
I/O  
9
8
I/O  
WE 17  
NC  
18  
27  
26  
25  
A
14  
A
5
BHE  
WE  
CE  
OE  
BLE  
19  
A
A
6
13  
A
20  
21  
22  
A
7
12  
A
11  
A
24  
23  
8
9
A
A
10  
Notes:  
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 #: 38-05134 Rev. *H  
198 Champion Court  
San Jose, CA 95134-1709  
408-943-2600  
Revised September 1, 2006  
[+] Feedback  

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