鈥?/div>
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
擄
擄
Industrial temperature range (鈥?0擄C to +85擄C) is available
FUNCTIONAL BLOCK DIAGRAM
MBF1
Mail 1
Register
Port-A
Control
Logic
Bus-
Matching
Input
Register
Output
Register
36
CLKA
CSA
W/RA
ENA
MBA
RS1
RS2
PRS
RAM ARRAY
36
FIFO1
Mail1,
Mail2,
Reset
Logic
36
2,048 x 36
4,096 x 36
8,192 x 36
36
RT
RTM
FIFO
Retransmit
Logic
Write
Pointer
Read
Pointer
B
0
-B
35
A
0
-A
35
FF/IR
AF
Status Flag
Logic
EF/OR
AE
36
36
FS2
FS0/SD
FS1/SEN
Programmable Flag
Offset Registers
13
Timing
Mode
Port-B
Control
Logic
Mail 2
Register
MBF2
FWFT
CLKB
CSB
W/RB
ENB
MBB
BE
BM
SIZE
5610 drw01
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
錚?/div>
2003 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
NOVEMBER 2003
DSC-5610/4
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