IDT72T55248L5BB IDT, Integrated Device Technology Inc, IDT72T55248L5BB Datasheet - Page 43
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IDT72T55248L5BB
Manufacturer Part Number
IDT72T55248L5BB
Description
IC CTRL QUADMUX FLOW 324-BGA
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT72T55248L6-7BB.pdf
(65 pages)
Specifications of IDT72T55248L5BB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
72T55248L5BB
- Current page: 43 of 65
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NOTES:
1. During the output selection of two Queues, partial reset of the two Queues involved are prohibited.
2. During partial reset the high-impedance control of the output is provided by OE only.
3. PRS0/1 must go LOW after the fourth rising edge of WCLK0.
4. This is the output data from Queue0.
5. This is the output data from Queue1.
6. This is the output data from Queue2.
7. This is the output data from Queue3.
IDT72T55248/72T55258/72T55268 2.5V QuadMux DDR Flow-Control Device with
Mux/Demux/Broadcast functions 8K x 40 x 4, 16K x 40 x 4 and 32K x 40 x 4
Q[19-10]
Q[29-20]
Q[39-30]
EF/OR0/1
EF/OR2/3
PRS0/1
PRS2/3
Q[9-0]
CFF/CIR
FF/IR0/1
FF/IR2/3
REN0/1
REN2/3
WCLK0
PAE0/1
PAE2/3
PAF0/1
PAF2/3
WEN0,
IS[1:0]
(2,4)
(2,5)
(2,6)
(2,7)
(1)
(1)
00 = Queue 0
t
t
RSS
RSS
Current State
Current State
Current State
Current State
Current State
Current State
Current State
Current State
Current State
t
DS
1
t
t
t
t
t
RSF
RSF
RSF
RSF
RSF
Figure 12 . Partial Reset for Demux mode
t
RS
01 = Queue 1
2
If FWFT = HIGH, OR = HIGH
If FWFT = LOW, EF = LOW
If FWFT = HIGH, FF = HIGH
If FWFT = LOW, IR = LOW
t
RSR
43
3
OE = HIGH
OE = LOW
t
RSS
4
t
t
t
t
t
t
RSF
RSF
RSF
RSF
RSF
RSF
COMMERCIAL AND INDUSTRIAL
t
RS
TEMPERATURE RANGES
If FWFT = HIGH, OR = HIGH
If FWFT = LOW, EF = LOW
If FWFT = HIGH, FF = HIGH
If FWFT = LOW, IR = LOW
If FWFT = HIGH, FF = HIGH
If FWFT = LOW, IR = LOW
FEBRUARY 01, 2009
OE = HIGH
OE = LOW
t
RSR
6157 drw18
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