参数资料
型号: IDT7014S20PF
厂商: IDT, Integrated Device Technology Inc
文件页数: 1/9页
文件大小: 0K
描述: IC SRAM 36KBIT 20NS 64TQFP
标准包装: 45
格式 - 存储器: RAM
存储器类型: SRAM - 双端口,异步
存储容量: 36K(4K x 9)
速度: 20ns
接口: 并联
电源电压: 4.5 V ~ 5.5 V
工作温度: 0°C ~ 70°C
封装/外壳: 64-LQFP
供应商设备封装: 64-TQFP(14x14)
包装: 托盘
其它名称: 7014S20PF
HIGH-SPEED
4K x 9DUAL-PORT
STATIC RAM
IDT7014S
Features:
Description:
True Dual-Ported memory cells which allow simultaneous
reads of the same memory location
High-speed access
– Commercial: 12/15/20/25ns (max.)
– Industrial: 20ns (max.)
Standard-power operation
– IDT7014S
Active: 750mW (typ.)
Fully asynchronous operation from either port
TTL-compatible; single 5V (±10%) power supply
Available in 52-pin PLCC and a 64-pin TQFP
Industrial temperature range (–40°C to +85°C) is available
for selected speeds
Green parts available, see ordering information
The IDT7014 is a high-speed 4K x 9 Dual-Port Static RAM designed
to be used in systems where on-chip hardware port arbitration is not
needed. This part lends itself to high-speed applications which do not rely
on BUSY signals to manage simultaneous access.
The IDT7014 provides two independent ports with separate control,
address, and I/O pins that permit independent, asynchronous access for
reads or writes to any location in memory. See functional description.
The IDT7014 utilitizes a 9-bit wide data path to allow for parity at the
user's option. This feature is especially useful in data communication
applications where it is necessary to use a parity bit for transmission/
reception error checking.
Fabricated using IDT’s high-performance technology, these Dual-
Ports typically operate on only 750mW of power at maximum access times
as fast as 12ns.
The IDT7014 is packaged in a 52-pin PLCC and a 64-pin thin quad
flatpack, (TQFP).
Functional Block Diagram
R/ W L
OE L
R/ W R
OE R
I/O 0L - I/O 8L
I/O
CONTROL
I/O
CONTROL
I/O 0R - I/O 8R
A 0L - A 11L
ADDRESS
DECODER
MEMORY
ARRAY
ADDRESS
DECODER
A 0R - A 11R
2528 drw 01
DECEMBER 2008
1
?2008 Integrated Device Technology, Inc.
DSC 2528/16
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