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Integrated Device Technology - (IDT7236x3) CMOS SyncFIFO WITH BUS-MATCHING

Numéro de référence IDT723653
Description (IDT7236x3) CMOS SyncFIFO WITH BUS-MATCHING
Fabricant Integrated Device Technology 
Logo Integrated Device Technology 





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IDT723653 fiche technique
CMOS SyncFIFOTM WITH BUS-MATCHING
2,048 x 36
4,096 x 36
8,192 x 36
www.DataSheet4U.com
IDT723653
IDT723663
IDT723673
FEATURES
Memory storage capacity:
IDT723653 – 2,048 x 36
IDT723663 – 4,096 x 36
IDT723673 – 8,192 x 36
Clock frequencies up to 83 MHz (8 ns access time)
Clocked FIFO buffering data from Port A to Port B
IDT Standard timing (using EF and FF) or First Word Fall
Through Timing (using OR and IR flag functions)
Programmable Almost-Empty and Almost-Full flags; each has
five default offsets (8, 16, 64, 256 and 1,024)
Serial or parallel programming of partial flags
Port B bus sizing of 36 bits (long word), 18 bits (word) and 9 bits
(byte)
Big- or Little-Endian format for word and byte bus sizes
Retransmit Capability
Reset clears data and configures FIFO, Partial Reset clears data
but retains configuration settings
Mailbox bypass registers for each FIFO
Free-running CLKA and CLKB may be asynchronous or
coincident (simultaneous reading and writing of data on a single
clock edge is permitted)
Easily expandable in width and depth
Auto power down minimizes power dissipation
Available in a space-saving 128-pin Thin Quad Flatpack (TQFP)
Pin compatible with the lower density parts, IDT723623/723633/
723643
Industrial temperature range (–40°C to +85°C) is available
FUNCTIONAL BLOCK DIAGRAM
CLKA
CSA
W/RA
ENA
MBA
Port-A
Control
Logic
RS1
RS2
PRS
RT
RTM
FIFO1
Mail1,
Mail2,
Reset
Logic
36
FIFO
Retransmit
Logic
A0-A35
Mail 1
Register
36
RAM ARRAY
2,048 x 36
36
4,096 x 36
8,192 x 36
Write
Pointer
Read
Pointer
MBF1
36
B0-B35
FF/IR
AF
Status Flag
Logic
EF/OR
AE
FS2
FS0/SD
FS1/SEN
36
Programmable Flag
Timing
Offset Registers
Mode
13
MBF2
Mail 2
Register
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc. SyncFIFO is a trademark of Integrated Device Technology, Inc.
COMMERCIAL TEMPERATURE RANGE
1
2003 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
36
Port-B
Control
Logic
FWFT
CLKB
CSB
W/RB
ENB
MBB
BE
BM
SIZE
5610 drw01
NOVEMBER 2003
DSC-5610/4

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