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7285L20PA5

Description
IC FIFO 4096X18 56TSSOP
Categorysemiconductor    logic   
File Size111KB,12 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
Download Datasheet Parametric Compare View All

7285L20PA5 Overview

IC FIFO 4096X18 56TSSOP

7285L20PA5 Parametric

Parameter NameAttribute value
storage144K(8K x 9 x 2)
Functionasynchronous
data rate33.3MHz
interview time20ns
Voltage - Power4.5V ~ 5.5V
Current - Power (maximum)125mA
bus directionunidirectional
extension typedepth, width
Programmable flag supportnone
Relay capabilityyes
FWFT supportnone
Operating temperature0°C ~ 70°C
Installation typesurface mount
Package/casing56-TFSOP (0.240", 6.10mm wide)
Supplier device packaging56-TSSOP
CMOS DUAL ASYNCHRONOUS FIFO
DUAL 256 x 9, DUAL 512 x 9,
DUAL 1,024 x 9, DUAL 2,048 x 9,
DUAL 4,096 x 9, DUAL 8,192 x 9
LEAD FINISH (SnPb) ARE IN EOL PROCESS - LAST TIME BUY EXPIRES JUNE 15, 2018
IDT7280
IDT7281
IDT7282
IDT7283
IDT7284
IDT7285
FEATURES:
DESCRIPTION:
The IDT7280 is equivalent to two IDT7200 256 x 9 FIFOs
The IDT7281 is equivalent to two IDT7201 512 x 9 FIFOs
The IDT7282 is equivalent to two IDT7202 1,024 x 9 FIFOs
The IDT7283 is equivalent to two IDT7203 2,048 x 9 FIFOs
The IDT7284 is equivalent to two IDT7204 4,096 x 9 FIFOs
The IDT7285 is equivalent to two IDT7205 8,192 x 9 FIFOs
Low power consumption
— Active: 685 mW (max.)
— Power-down: 83 mW (max.)
Ultra high speed—12 ns access time
Asynchronous and simultaneous read and write
Offers optimal combination of data capacity, small foot print
and functional flexibility
Ideal for bi-directional, width expansion, depth expansion,
bus-matching, and data sorting applications
Status Flags: Empty, Half-Full, Full
Auto-retransmit capability
High-performance CMOS technology
Space-saving TSSOP
Industrial temperature range (–40°C to +85°C) is available
°
°
The IDT7280/7281/7282/7283/7284/7285 are dual-FIFO memories that
load and empty data on a first-in/first-out basis. These devices are functional
and compatible to two IDT7200/7201/7202/7203/7204/7205 FIFOs in a single
package with all associated control, data, and flag lines assigned to separate
pins. The devices use Full and Empty flags to prevent data overflow and
underflow and expansion logic to allow for unlimited expansion capability in both
word size and depth.
The reads and writes are internally sequential through the use of ring pointers,
with no address information required to load and unload data. Data is toggled
in and out of the devices through the use of the Write (W) and Read (R) pins.
The devices utilize a 9-bit wide data array to allow for control and parity bits
at the user’s option. This feature is especially useful in data communications
applications where it is necessary to use a parity bit for transmission/reception
error checking. It also features a Retransmit (RT) capability that allows for reset
of the read pointer to its initial position when
RT
is pulsed LOW to allow for
retransmission from the beginning of data. A Half-Full Flag is available in the
single device mode and width expansion modes.
These FIFOs are fabricated using high-speed CMOS technology. They are
designed for those applications requiring asynchronous and simultaneous
read/writes in multiprocessing and rate buffer applications.
FUNCTIONAL BLOCK DIAGRAM
DATA INPUTS
(DA
0
-DA
8
)
WA
WRITE
CONTROL
WRITE
POINTER
THREE-
STATE
BUFFERS
RAM
ARRAY A
256 x 9
512 x 9
1,024 x 9
2,048 x 9
4,096 x 9
8,192 x 9
RSA
WB
WRITE
CONTROL
WRITE
POINTER
DATA INPUTS
(DB
0
-DB
8
)
RAM
ARRAY B
256 x 9
512 x 9
1,024 x 9
2,048 x 9
4,096 x 9
8,192 x 9
THREE-
STATE
BUFFERS
RSB
READ
POINTER
READ
POINTER
RA
READ
CONTROL
FLAG
LOGIC
EXPANSION
LOGIC
RESET
LOGIC
READ
CONTROL
FLAG
LOGIC
EXPANSION
LOGIC
RESET
LOGIC
XIA
XOA/HFA
FFA
EFA
DATA
OUTPUTS
(QA
0
-QA
8
)
FLA/RTA
RB
XIB
XOB/HFB
FFB
EFB
DATA
OUTPUTS
(QB
0
-QB
8
)
FLB/RTB
3208 drw 01
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
1
©2017
Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
NOVEMBER 2017
DSC-3208/10

7285L20PA5 Related Products

7285L20PA5 7284L15PAGI 7284L15PAGI8
Description IC FIFO 4096X18 56TSSOP IC MEM FIFO 2048X18 56TSSOP IC MEM FIFO 2048X18 56TSSOP
storage 144K(8K x 9 x 2) 72K(4K x 9 x 2) 72K(4K x 9 x 2)
Function asynchronous asynchronous asynchronous
data rate 33.3MHz 40MHz 40MHz
interview time 20ns 15ns 15ns
Voltage - Power 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V
Current - Power (maximum) 125mA 125mA 125mA
bus direction unidirectional unidirectional unidirectional
extension type depth, width depth, width depth, width
Programmable flag support none none none
Relay capability yes yes yes
FWFT support none none none
Operating temperature 0°C ~ 70°C -40°C ~ 85°C -40°C ~ 85°C
Installation type surface mount surface mount surface mount
Package/casing 56-TFSOP (0.240", 6.10mm wide) 56-TFSOP (0.240", 6.10mm wide) 56-TFSOP (0.240", 6.10mm wide)
Supplier device packaging 56-TSSOP 56-TSSOP 56-TSSOP
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