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Numéro de référence | IDT723653 | ||
Description | (IDT7236x3) CMOS SyncFIFO WITH BUS-MATCHING | ||
Fabricant | Integrated Device Technology | ||
Logo | |||
1 Page
CMOS SyncFIFOTM WITH BUS-MATCHING
2,048 x 36
4,096 x 36
8,192 x 36
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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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Pages | Pages 29 | ||
Télécharger | [ IDT723653 ] |
No | Description détaillée | Fabricant |
IDT723651 | CMOS SyncFIFOO 512 x 36/ 1024 x 36/ 2048 x 36 | Integrated Device Technology |
IDT723651L15PF | CMOS SyncFIFOO 512 x 36/ 1024 x 36/ 2048 x 36 | Integrated Device Technology |
IDT723651L15PQF | CMOS SyncFIFOO 512 x 36/ 1024 x 36/ 2048 x 36 | Integrated Device Technology |
IDT723651L20PF | CMOS SyncFIFOO 512 x 36/ 1024 x 36/ 2048 x 36 | Integrated Device Technology |
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