參數(shù)資料
型號(hào)： IDT72V285L15TFI
廠商： IDT, Integrated Device Technology Inc
文件頁(yè)數(shù)： 1/25頁(yè)
文件大小： 0K
描述： IC FIFO SS 65536X18 15NS 64STQFP
標(biāo)準(zhǔn)包裝： 80
系列： 72V
功能： 異步
存儲(chǔ)容量： 1.1M（65K x 18）
數(shù)據(jù)速率： 67MHz
訪問(wèn)時(shí)間： 15ns
電源電壓： 3 V ~ 3.6 V
工作溫度： -40°C ~ 85°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)： 72V285L15TFI
800-2340
IDT72V285L15TFI-ND
1
FEBRUARY 2009
3.3 VOLT CMOS SuperSync FIFO
32,768 x 18
65,536 x 18
IDT72V275
IDT72V285
2009 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
IDT and the 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
DSC-4512/3
FEATURES:
Choose among the following memory organizations:
IDT72V275
32,768 x 18
IDT72V285
65,536 x 18
Pin-compatible with the IDT72V255/72V265 SuperSync FIFOs
10ns read/write cycle time (6.5ns 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
EF
EF and FF
FF
FF flags) or First Word
Fall Through timing (using
OR
OR and IR
IR
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)
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 are available, see ordering information
DESCRIPTION:
The IDT72V275/72V285 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
variable clock cycle counting delay associated with the latency period
found on previous SuperSync devices has been eliminated on this
SuperSync family.)
SuperSync FIFOs are particularly appropriate for network, video, telecom-
munications,datacommunicationsandotherapplicationsthatneedtobuffer
large amounts of data.
FUNCTIONAL BLOCK DIAGRAM
INPUT REGISTER
OUTPUT REGISTER
RAM ARRAY
32,768 x 18
65,536 x 18
FLAG
LOGIC
FF/IR
PAF
EF/OR
PAE
HF
READ POINTER
READ
CONTROL
LOGIC
WRITE CONTROL
LOGIC
WRITE POINTER
RESET
LOGIC
WEN
WCLK
D0 -D17
LD
MRS
REN
RCLK
OE
Q0 -Q17
OFFSET REGISTER
PRS
FWFT/SI
SEN
RT
4512 drw 01
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IDT72V285L15TFI8 功能描述:IC FIFO SS 65536X18 15NS 64STQFP RoHS:否 類(lèi)別:集成電路 (IC) >> 邏輯 - FIFO 系列:72V 標(biāo)準(zhǔn)包裝:15 系列:74F 功能:異步 存儲(chǔ)容量:256（64 x 4） 數(shù)據(jù)速率:- 訪問(wèn)時(shí)間:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:通孔 封裝/外殼:24-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:24-PDIP 包裝:管件 其它名稱(chēng):74F433
IDT72V285L20PF 功能描述:IC FIFO SS 65536X18 20NS 64-TQFP RoHS:否 類(lèi)別:集成電路 (IC) >> 邏輯 - FIFO 系列:72V 標(biāo)準(zhǔn)包裝:15 系列:74F 功能:異步 存儲(chǔ)容量:256（64 x 4） 數(shù)據(jù)速率:- 訪問(wèn)時(shí)間:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:通孔 封裝/外殼:24-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:24-PDIP 包裝:管件 其它名稱(chēng):74F433
IDT72V285L20PF8 功能描述:IC FIFO SS 65536X18 20NS 64-TQFP RoHS:否 類(lèi)別:集成電路 (IC) >> 邏輯 - FIFO 系列:72V 標(biāo)準(zhǔn)包裝:15 系列:74F 功能:異步 存儲(chǔ)容量:256（64 x 4） 數(shù)據(jù)速率:- 訪問(wèn)時(shí)間:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:通孔 封裝/外殼:24-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:24-PDIP 包裝:管件 其它名稱(chēng):74F433
IDT72V285L20TF 功能描述:IC FIFO SS 65536X18 20NS 64STQFP RoHS:否 類(lèi)別:集成電路 (IC) >> 邏輯 - FIFO 系列:72V 標(biāo)準(zhǔn)包裝:15 系列:74F 功能:異步 存儲(chǔ)容量:256（64 x 4） 數(shù)據(jù)速率:- 訪問(wèn)時(shí)間:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:通孔 封裝/外殼:24-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:24-PDIP 包裝:管件 其它名稱(chēng):74F433
IDT72V285L20TF8 功能描述:IC FIFO SS 65536X18 20NS 64STQFP RoHS:否 類(lèi)別:集成電路 (IC) >> 邏輯 - FIFO 系列:72V 標(biāo)準(zhǔn)包裝:15 系列:74F 功能:異步 存儲(chǔ)容量:256（64 x 4） 數(shù)據(jù)速率:- 訪問(wèn)時(shí)間:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:通孔 封裝/外殼:24-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:24-PDIP 包裝:管件 其它名稱(chēng):74F433
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