參數(shù)資料
型號: IDT723631
廠商: Integrated Device Technology, Inc.
英文描述: Quad, High Slew Rate, Single-Supply, Op Amp 14-SOIC 0 to 70
中文描述: 的CMOS SyncFIFOO 512 × 36,1024 × 36,2048 × 36
文件頁數(shù): 17/23頁
文件大小: 269K
代理商: IDT723631
IDT723631/723641/723651 CMOS SyncFIFO
512 x 36, 1024 x 36, 2048 x 36
COMMERCIAL TEMPERATURE RANGE
17
NOTES:
1. tSKEW2 is the minimum time between a rising CLKA edge and a rising CLKB edge for
AF
to transition HIGH in the next CLKA cycle. If the time between
the rising CLKB edge and rising CLKA edge is less than tSKEW2, then
AF
may transition HIGH one CLKA cycle later than shown.
2. Depth is 512 for the IDT723631, 1024 for the IDT723641, and 2048 for the IDT723651.
3. FIFO write (
CSA
= LOW, W/
R
A = HIGH, MBA = LOW), FIFO read (
CSB
= LOW,
W
/RB = HIGH, MBB = LOW).
Figure 9. Timing for
AF
when FIFO is Almost Full
NOTE:
1. CSB = LOW, W/RB = HIGH, MBB = LOW. No input enables other than RTM and RFM are needed to control retransmit mode or begin a retransmit. Other
enables are shown only to relate retransmit operations to the FIFO output register.
Figure 10. Retransmit Timing Showing Minimum Retransmit Length
AF
CLKA
ENB
ENA
CLKB
3023 drw 12
1
2
t
SKEW2
t
ENS1
t
ENH1
t
PAF
t
ENS1
t
ENH1
t
PAF
[Depth -(Y+1)] Words in FIFO
(Depth -Y) Words in FIFO
(1)
CLKB
ENB
RTM
RFM
OR
B0-B35
W0
W1
W2
W0
End Retransmit
Mode
W1
HIGH
t
A
t
A
t
A
t
A
Initiate Retransmit Mode
with W0 as First Word
Retransmit from
Selected Position
3023 drw 13
t
ENS1
t
ENH1
t
RMS
t
RMH
t
RMS
t
RMH
t
RMS
t
RMH
NOTE:
1. X is the value loaded in the almost empty flag offset register.
Figure 11.
AE
Maximum Latency When Retransmit Increases the Number of Stored Words Above X.
CLKB
RTM
RFM
AE
t
PAE
X or fewer words from Empty
(X+1) or more
words from Empty
3023 drw 14
t
RMS
t
RMH
1
2
HIGH
相關(guān)PDF資料
PDF描述
IDT723631L20PF Quad, High Slew Rate, Single-Supply, Op Amp 14-PDIP 0 to 70
IDT723631L20PQF Quad, High Slew Rate, Single-Supply, Op Amp 14-PDIP 0 to 70
IDT723631L30PF Quad, High Slew Rate, Single-Supply, Op Amp 14-TSSOP 0 to 70
IDT723631L30PQF Quad, High Slew Rate, Single-Supply, Op Amp 14-TSSOP 0 to 70
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