参数资料
型号: 7140SA25PFGI
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: SRAM
英文描述: 1K X 8 DUAL-PORT SRAM, 25 ns, PQFP64
封装: 14 X 14 MM, 1.40 MM HEIGHT, GREEN, TQFP-64
文件页数: 1/19页
文件大小: 149K
代理商: 7140SA25PFGI
1
OCTOBER 2008
DSC-2689/14
2008 Integrated Device Technology, Inc.
I/O
Control
Address
Decoder
MEMORY
ARRAY
ARBITRATION
and
INTERRUPT
LOGIC
Address
Decoder
I/O
Control
R/
WL
CEL
OEL
BUSYL
A9L
A0L
2689 drw 01
I/O0L- I/O7L
CEL
OEL
R/
WL
INTL
BUSYR
I/O0R-I/O7R
A9R
A0R
INTR
CER
OER
(2)
(1,2)
(2)
R/
WR
CER
OER
10
R/
WR
,
HIGH SPEED
1K X 8 DUAL-PORT
STATIC SRAM
IDT7130SA/LA
IDT7140SA/LA
Features
High-speed access
– Commercial: 20/25/35/55/100ns (max.)
– Industrial: 25/55/100ns (max.)
– 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.)
MASTER IDT7130 easily expands data bus width to 16-or-
more-bits using SLAVE IDT7140
Functional Block Diagram
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.
On-chip port arbitration logic (IDT7130 Only)
BUSY output flag on IDT7130; BUSY input on IDT7140
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
Available in 48-pin DIP, LCC and Ceramic Flatpack, 52-pin
PLCC, and 64-pin STQFP and TQFP
Green parts available, see ordering information
相关PDF资料
PDF描述
7140LA25JGI 1K X 8 DUAL-PORT SRAM, 25 ns, PQCC52
IDT7140SA25PFGB HIGH SPEED 1K X 8 DUAL-PORT STATIC SRAM
IDT7140SA25PFGI HIGH SPEED 1K X 8 DUAL-PORT STATIC SRAM
IDT7140SA25TFG HIGH SPEED 1K X 8 DUAL-PORT STATIC SRAM
IDT7140SA25TFGB HIGH SPEED 1K X 8 DUAL-PORT STATIC SRAM
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