參數(shù)資料
型號(hào)： IDT7202LA15DB
廠商： Integrated Device Technology, Inc.
英文描述： CMOS ASYNCHRONOUS FIFO 256 x 9, 512 x 9, 1K x 9
中文描述： CMOS異步FIFO的256 × 9，512 × 9，每1000 × 9
文件頁(yè)數(shù)： 1/14頁(yè)
文件大小： 153K
代理商： IDT7202LA15DB
Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
DECEMBER 1996
1996 Integrated Device Technology, Inc.
DSC-2677/7
5.09
1
FEATURES:
First-In/First-Out Dual-Port memory
Bit organization
–
IDT72021—1K x 9
–
IDT72031—2K x 9
–
IDT72041—4K x 9
Ultra high speed
–
IDT72021—25ns access time
–
IDT72031—35ns access time
–
IDT72041—35ns access time
Easily expandable in word depth and/or width
Asynchronous and simultaneous read and write
Functionally equivalent to IDT7202/03/04 with Output
Enable (
OE
) and Almost Empty/Almost Full Flag (
AEF
)
Four status flags: Full, Empty, Half-Full (single device
mode), and Almost Empty/Almost Full (7/8 empty or 7/8
full in single device mode)
Output Enable controls the data output port
Auto-retransmit capability
Available in 32-pin DIP and PLCC
Military product compliant to MIL-STD-883, Class B
Industrial temperature range (-40
o
C to +85
o
C) is avail
able, tested to military electrical specifications
DESCRIPTION:
IDT72021/031/041s are high-speed, low-power, dual-port
memory devices commonly known as FIFOs (First-In/First-
Out). Data can be written into and read from the memory at
independent rates. The order of information stored and ex-
tracted does not change, but the rate of data entering the FIFO
might be different than the rate leaving the FIFO. Unlike a
Static RAM, no address information is required because the
read and write pointers advance sequentially. The IDT72021/
031/041s can perform asynchronous and simultaneous read
and write operations. There are four status flags, (
HF
,
FF
,
EF
,
AEF
) to monitor data overflow and underflow. Output Enable
(
OE
) is provided to control the flow of data through the output
port. Additional key features are Write (
W
), Read (
R
), Retrans-
mit (
RT
), First Load (
FL
), Expansion In (
XI
) and Expansion Out
(
XO
). The IDT72021/031/041s are designed for those appli-
cations requiring data control flags and Output Enable (
OE
) in
multiprocessing and rate buffer applications.
The IDT72021/031/041s are fabricated using IDT’s CMOS
technology. Military grade product is manufactured in compli-
ance with the latest version of MIL-STD-883, Class B, for high
reliability systems.
IDT72021
IDT72031
IDT72041
CMOS ASYNCHRONOUS FIFO WITH
RETRANSMIT
1K x 9, 2K x 9, 4K x 9
W
R
XI
2677 drw 01
WRITE
CONTROL
WRITE
POINTER
READ
POINTER
RESET
LOGIC
READ
CONTROL
FLAG
LOGIC
EXPANSION
LOGIC
DATA INPUT
(D
0
–D
8
)
RAM
ARRAY
1024 x 9
2048 x 9
4096 x 9
1
2
DATA OUTPUTS
(Q
0
–Q
8
)
THREE-
STATE
BUFFERS
1024/
2048/
4096
AEF
EF
FF
FL/RT
XO/HF
RS
OE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
FAST is a trademark of National Semiconductor Co.
FUNCTIONAL BLOCK DIAGRAM
For latest information contact IDT's web site at www.idt.com or fax-on-demand at 408-492-8391.
相關(guān)PDF資料
PDF描述
IDT7202LA15J CMOS ASYNCHRONOUS FIFO 256 x 9, 512 x 9, 1K x 9
IDT7202LA15JB 1200V N-Channel Trench IGBT; Package: TT3P0; No of Pins: 3; Container: Rail
IDT7202LA15L 1200V NPT-Trench IGBT
IDT7202LA15LB 1200V NPT-Trench IGBT; Package: TO-3P; No of Pins: 3; Container: Rail
IDT7202LA15P 1200V NPT-Trench IGBT; Package: TT3P0; No of Pins: 3; Container: Rail
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IDT7202LA15JGI8 功能描述:IC FIFO ASYNCH 1KX9 15NS 32PLCC RoHS:是 類(lèi)別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:80 系列:7200 功能:同步 存儲(chǔ)容量:18.4K（1K x 18） 數(shù)據(jù)速率:- 訪問(wèn)時(shí)間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP（10x10） 包裝:托盤(pán) 其它名稱(chēng):72225LB10TF
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