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7140SA20CGI8 PDF预览

7140SA20CGI8

更新时间: 2024-10-29 00:32:19
品牌 Logo 应用领域
艾迪悌 - IDT 静态存储器
页数 文件大小 规格书
21页 936K
描述
HIGH SPEED 1K X 8 DUAL-PORT STATIC SRAM

7140SA20CGI8 数据手册

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IDT7130SA/LA  
IDT7140SA/LA  
HIGH SPEED  
1K X 8 DUAL-PORT  
STATIC SRAM  
Features  
On-chip port arbitration logic (IDT7130 Only)  
High-speed access  
BUSY output flag on IDT7130; BUSY input on IDT7140  
– Commercial: 20/25/35/55/100ns (max.)  
– Industrial: 25/55/100ns (max.)  
INT flag for port-to-port communication  
Fully asynchronous operation from either port  
Battery backup operation–2V data retention (LA only)  
TTL-compatible, single 5V ±10% power supply  
Military product compliant to MIL-PRF-38535 QML  
Industrial temperature range (–40°C to +85°C) is available  
for selected speeds  
– Military: 25/35/55/100ns (max.)  
Low-power operation  
– IDT7130/IDT7140SA  
Active: 550mW (typ.)  
Standby: 5mW (typ.)  
– IDT7130/IDT7140LA  
Active: 550mW (typ.)  
Standby: 1mW (typ.)  
Available in 48-pin DIP, LCC and Ceramic Flatpack, 52-pin  
PLCC, and 64-pin STQFP and TQFP  
Green parts available, see ordering information  
MASTER IDT7130 easily expands data bus width to 16-or-  
more-bits using SLAVE IDT7140  
Functional Block Diagram  
OER  
OEL  
CE  
R/W  
L
CE  
R
R/W  
L
R
,
I/O0L- I/O7L  
I/O0R-I/O7R  
(1,2)  
I/O  
Control  
I/O  
Control  
(1,2)  
BUSY  
L
BUSYR  
A
9L  
0L  
A
9R  
0R  
Address  
Decoder  
MEMORY  
ARRAY  
Address  
Decoder  
A
A
10  
10  
ARBITRATION  
and  
INTERRUPT  
LOGIC  
CE  
L
L
CE  
OE  
R/W  
R
R
OE  
R
R/W  
L
(2)  
(2)  
INT  
R
INTL  
2689 drw 01  
NOTES:  
1. IDT7130 (MASTER): BUSY is open drain output and requires pullup resistor.  
IDT7140 (SLAVE): BUSY is input.  
2. Open drain output: requires pullup resistor.  
MAY2016  
1
©2016 Integrated Device Technology, Inc.  
DSC-2689/16  

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