鈾?/div>
The IDT72V81 is equivalent to two IDT72V01 - 512 x 9 FIFOs
The IDT72V82 is equivalent to two IDT72V02 - 1,024 x 9 FIFOs
The IDT72V83 is equivalent to two IDT72V03 - 2,048 x 9 FIFOs
The IDT72V84 is equivalent to two IDT72V04 - 4,096 x 9 FIFOs
The IDT72V85 is equivalent to two IDT72V05 - 8,192 x 9 FIFOs
Low power consumption
鈥?Active: 330 mW (max.)
鈥?Power-down: 18 mW (max.)
Ultra high speed鈥?5 ns access time
Asynchronous and simultaneous read and write
Offers optimal combination of data capacity, small foot print
and functional flexibility
Ideal for bidirectional, width expansion, depth expansion, bus-
matching, and data sorting applications
Status Flags: Empty, Half-Full, Full
Auto-retransmit capability
High-performance CEMOS鈩?technology
Space-saving TSSOP package
Industrial temperature range (鈥?0擄C to +85擄C) is available
擄
擄
FUNCTIONAL BLOCK DIAGRAM
DATA INPUTS
(DA
0
-DA
8
)
WA
WRITE
CONTROL
WRITE
POINTER
THREE-
STATE
BUFFERS
RSA
WB
WRITE
CONTROL
WRITE
POINTER
DATA INPUTS
(DB
0
-DB
8
)
RSB
RAM
ARRAY A
512 x 9
1,024 x 9
2,048 x 9
4,096 x 9
8,192 x 9
READ
POINTER
RAM
ARRAY A
512 x 9
1,024 x 9
2,048 x 9
4,096 x 9
8,192 x 9
READ
POINTER
THREE-
STATE
BUFFERS
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
3966 drw 01
August 1999
1
漏
1999
Integrated Device Technology, Inc.
DSC-3966/-