IDT723631L15PF IDT, Integrated Device Technology Inc, IDT723631L15PF Datasheet - Page 16

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IDT723631L15PF

Manufacturer Part Number
IDT723631L15PF
Description
IC FIFO SYNC 512X36 120-TQFP
Manufacturer
IDT, Integrated Device Technology Inc
Series
7200r
Datasheet

Specifications of IDT723631L15PF

Function
Synchronous
Memory Size
18.4K (512 x 36)
Data Rate
67MHz
Access Time
15ns
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
120-TQFP, 120-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
723631L15PF

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NOTE:
1. t
NOTES:
1. t
2. FIFO write (CSA = LOW, W/RA = HIGH, MBA = LOW), FIFO read (CSB = LOW, W/RB = HIGH, MBB = LOW).
CLKA
CLKB
IDT723631/723641/723651 CMOS SyncFIFO™
512 x 36, 1,024 x 36 and 2,048 x 36
ENA
ENB
and rising CLKA edge is less than t
A0 - A35
and rising CLKB edge is less than t
B0 -B35
SKEW1
SKEW2
AE
CLKA
CLKB
W/RB
W/RA
MBA
CSB
MBB
ENB
CSA
ENA
OR
is the minimum time between a rising CLKB edge and a rising CLKA edge for IR to transition HIGH in the next CLKA cycle. If the time between the rising CLKB edge
is the minimum time between a rising CLKA edge and a rising CLKB edge for AE to transition HIGH in the next CLKB cycle. If the time between the rising CLKA edge
IR
FIFO Full
LOW
HIGH
HIGH
LOW
HIGH
LOW
Previous Word in FIFO Output Register
t
CLKH
t
ENS1
t
CLK
t
ENS1
t
CLKL
SKEW1
SKEW2
Figure 8. IR Flag Timing and First Available Write when the FIFO is Full
, then IR may transition HIGH one CLKA cycle later than shown.
, then AE may transition HIGH one CLKB cycle later than shown.
t
ENH1
t
SKEW2
X Word in FIFO
t
Figure 9. Timing for AE
t
t
SKEW1
ENH1
(1)
A
(1)
1
1
t
CLKH
AE
AE
AE
AE when FIFO is Almost-Empty
t
CLK
16
t
CLKL
2
t
PAE
2
Next Word From FIFO
t
PIR
(X+1) Words in FIFO
t
t
ENS1
ENS2
t
DS
Write
COMMERCIAL AND INDUSTRIAL
t
ENS1
t
t
PIR
ENH2
t
t
DH
ENH1
TEMPERATURE RANGES
t
ENH1
t
PAE
3023 drw11
3023 drw12

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