参数资料
型号: IDT72261LA20TFI
厂商: IDT, Integrated Device Technology Inc
文件页数: 1/27页
文件大小: 0K
描述: IC FIFO 8192X18 LP 20NS 64QFP
标准包装: 80
系列: 7200
功能: 同步
存储容量: 144K(8K x 18)
数据速率: 50MHz
访问时间: 20ns
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-TQFP(10x10)
包装: 托盘
其它名称: 72261LA20TFI
1
2013 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
DSC-4671/5
JULY 2013
IDT, IDT logo are registered trademarks of Integrated Device Technology, Inc. The SuperSync FIFO is a trademark of Integrated Device Technology, Inc.
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
IDT72261LA
IDT72271LA
CMOS SuperSync FIFO
16,384 x 9
32,768 x 9
FEATURES:
Choose among the following memory organizations:
IDT72261LA 16,384 x 9
IDT72271LA 32,768 x 9
Pin-compatible with the IDT72281/72291 SuperSync FIFOs
10ns read/write cycle time (8ns access time)
Fixed, low first word data latency time
Auto power down minimizes standby power consumption
Master Reset clears entire FIFO
Partial Reset clears data, but retains programmable settings
Retransmit operation with fixed, low first word data latency time
Empty, Full and Half-Full flags signal FIFO status
Programmable Almost-Empty and Almost-Full flags, each flag
can default to one of two preselected offsets
Program partial flags by either serial or parallel means
Select IDT Standard timing (using EF and FF flags) or First
Word Fall Through timing (using OR and IR flags)
Output enable puts data outputs into high impedance state
Easily expandable in depth and width
Independent Read and Write clocks (permit reading and writing
simultaneously)
FUNCTIONAL BLOCK DIAGRAM
INPUT REGISTER
OUTPUT REGISTER
RAM ARRAY
16,384 x 9
32,768 x 9
FLAG
LOGIC
FF/IR
PAF
EF/OR
PAE
HF
READ POINTER
READ
CONTROL
LOGIC
WRITE CONTROL
LOGIC
WRITE POINTER
RESET
LOGIC
WEN
WCLK
D0 -D8
LD
MRS
REN
RCLK
OE
Q0 -Q8
OFFSET REGISTER
PRS
FWFT/SI
SEN
RT
4671 drw 01
Available in the 64-pin Thin Quad Flat Pack (TQFP) and the 64-
pin Slim Thin Quad Flat Pack (STQFP)
High-performance submicron CMOS technology
Industrial temperature range (–40°C to +85°C) is available
Green parts available, see ordering information
DESCRIPTION:
The IDT72261LA/72271LA are exceptionally deep, high speed, CMOS
First-In-First-Out (FIFO) memories with clocked read and write controls.
These FIFOs offer numerous improvements over previous SuperSync
FIFOs, including the following:
The limitation of the frequency of one clock input with respect to the other
has been removed. The Frequency Select pin (FS) has been removed,
thus it is no longer necessary to select which of the two clock inputs,
RCLK or WCLK, is running at the higher frequency.
The period required by the retransmit operation is now fixed and short.
The first word data latency period, from the time the first word is written
to an empty FIFO to the time it can be read, is now fixed and short. (The
variableclockcyclecountingdelayassociatedwiththelatencyperiodfound
on previous SuperSync devices has been eliminated on this SuperSync
family.)
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IDT72261LA20TFI8 功能描述:IC FIFO 8192X18 LP 20NS 64QFP RoHS:否 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:7200 标准包装:90 系列:7200 功能:同步 存储容量:288K(16K x 18) 数据速率:100MHz 访问时间:10ns 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:64-LQFP 供应商设备封装:64-TQFP(14x14) 包装:托盘 其它名称:72271LA10PF
IDT72265LA10PF 功能描述:IC FIFO 8KX18 LP 10NS 64QFP RoHS:否 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:7200 标准包装:90 系列:7200 功能:同步 存储容量:288K(16K x 18) 数据速率:100MHz 访问时间:10ns 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:64-LQFP 供应商设备封装:64-TQFP(14x14) 包装:托盘 其它名称:72271LA10PF
IDT72265LA10PF8 功能描述:IC FIFO 8KX18 LP 10NS 64QFP RoHS:否 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:7200 标准包装:90 系列:7200 功能:同步 存储容量:288K(16K x 18) 数据速率:100MHz 访问时间:10ns 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:64-LQFP 供应商设备封装:64-TQFP(14x14) 包装:托盘 其它名称:72271LA10PF
IDT72265LA10PFG 功能描述:IC FIFO SUPERSYNC 8KX18 64QFP RoHS:是 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:7200 标准包装:90 系列:74ABT 功能:同步,双端口 存储容量:4.6K(64 x 36 x2) 数据速率:67MHz 访问时间:- 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:120-LQFP 裸露焊盘 供应商设备封装:120-HLQFP(14x14) 包装:托盘 产品目录页面:1005 (CN2011-ZH PDF) 其它名称:296-3984
IDT72265LA10TF 功能描述:IC FIFO 8KX18 LP 10NS 64QFP RoHS:否 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:7200 标准包装:90 系列:7200 功能:同步 存储容量:288K(16K x 18) 数据速率:100MHz 访问时间:10ns 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:64-LQFP 供应商设备封装:64-TQFP(14x14) 包装:托盘 其它名称:72271LA10PF