IDT72P51339L6BB8 IDT, Integrated Device Technology Inc, IDT72P51339L6BB8 Datasheet - Page 45
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IDT72P51339L6BB8
Manufacturer Part Number
IDT72P51339L6BB8
Description
IC FLOW CTRL 36BIT 256-BGA
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT72P51339L6BB8.pdf
(87 pages)
Specifications of IDT72P51339L6BB8
Configuration
Dual
Density
576Kb
Access Time (max)
3.7ns
Word Size
36b
Organization
2Kx36x8
Sync/async
Synchronous
Expandable
Yes
Bus Direction
Uni-Directional
Package Type
BGA
Clock Freq (max)
166MHz
Supply Current
150mA
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
256
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
72P51339L6BB8
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IDT72P51339L6BB8
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
NOTE:
D = Queue Depth
m = Almost Full Offset value.
PAF Timing
Assertion:
De-assertion: Read to PAF HIGH: t
PAFn Timing
Assertion:
De-assertion: Read to PAFn HIGH: t
* If a queue switch is occurring on the write port at the point of flag assertion or de-assertion
there may be one additional WCLK clock cycle delay.
IDT72P51339/72P51349/72P51359/72P51369 1.8V, MQ FLOW-CONTROL DEVICES
(8 QUEUES) 36 BIT WIDE CONFIGURATION 589, 824, 1,179,648, 2,359,296, and 4,718,592
in36 to out36
(Both ports selected for same queue when the 1
in36 to out36
(Write port only selected for same queue when the D-m Writes
1
in36 to out18
in36 to out9
in18 to out36
in9 to out36
Word is written in until the boundary is reached)
In36 to out36 (Almost Empty Mode)
(Both ports selected for same queue
when the 1
In36 to out36 (Packet Mode)
(Both ports selected for same queue
when the 1
In36 to out18
(Both ports selected for same queue
when the 1
In36 to out9
(Both ports selected for same queue
when the 1
In18 to out36
(Both ports selected for same queue
when the 1
In9 to out36
(Both ports selected for same queue
when the 1
st
Word is written in until the boundary is reached) (see note below for timing)
Programmable Almost Full Flag, PAF & PAFn Bus Boundary
I/O Set-Up
Default values:
st
st
st
st
st
st
Write Operation to PAF LOW: 2 WCLK + t
If t
Write Operation to PAFn LOW: 2 WCLK* + t
If t
Word is written in)
Word is written in)
Word is written in)
Word is written in)
Word is written in)
Word is written in)
SKEW2
SKEW3
I/O Set-Up
Output Ready, EF Flag Boundary
is violated there may be 1 added clock: t
is violated there may be 1 added clock: t
TABLE 9 — FLAG OPERATION BOUNDARIES & TIMING
if DF is LOW at Master Reset then m = 8
if DF is HIGH at Master Reset then m= 128
SKEW2
SKEW3
+ WCLK + t
+ WCLK* + t
EF Goes LOW after Last Read
EF Goes LOW after Last Read
EF Goes LOW after Last Read
EF Goes LOW after Last Read
EF Goes LOW after Last Read
EF Goes LOW after Last Read
st
EF Boundary Condition
(see note below for timing)
WAF
PAF/PAFn Goes LOW after
D+1-m Writes
PAF/PAFn Goes LOW after
PAF/PAFn Goes LOW after
D-m Writes (see below for timing)
PAF/PAFn Goes LOW after
D-m Writes (see below for timing)
PAF/PAFn Goes LOW after
(see note below for timing)
PAF/PAFn Goes LOW after
(see note below for timing)
([D+1-m] x 2) Writes
([D+1-m] x 4) Writes
WAF
PAF
PAF & PAFn Boundary
PAF
SKEW3
SKEW2
+ 2 WCLK* + t
+ 2 WCLK + t
WAF
PAF
45
NOTE:
D = Queue Depth
FF Timing
Assertion:
De-assertion:
In36 to out36
(Both ports selected for same queue
when the 1
In36 to out36
(Write port only selected for queue
when the 1
In36 to out18
(Both ports selected for same queue
when the 1
In36 to out18
(Write port only selected for queue
when the 1
In36 to out9
(Both ports selected for same queue
when the 1
In36 to out9
(Write port only selected for queue
In18 to out36
(Both ports selected for same queue
when the 1
In18 to out36
(Write port only selected for queue
when the 1
In9 to out36
(Both ports selected for same queue
when the 1
In9 to out36
(Write port only selected for queue
when the 1
when the 1
Write Operation to FF LOW: t
Read to FF HIGH: t
If t
SKEW1
I/O Set-Up
is violated there may be 1 added clock: t
st
st
st
st
st
st
st
st
st
st
Word is written in)
Word is written in)
Word is written in)
Word is written in)
Word is written in)
Word is written in)
Word is written in)
Word is written in)
Word is written in)
Word is written in)
SKEW1
+ t
Full Flag, FF Boundary
WFF
WFF
COMMERCIAL AND INDUSTRIAL
FF Goes LOW after D+1 Writes
FF Goes LOW after D Writes
FF Goes LOW after D Writes
FF Goes LOW after D Writes
FF Goes LOW after D Writes
FF Goes LOW after D Writes
FF Goes LOW after ([D+1] x 2) Writes
FF Goes LOW after (D x 2) Writes
FF Goes LOW after ([D+1] x 4) Writes
FF Goes LOW after (D x 4) Writes
(see note below for timing)
(see note below for timing)
(see note below for timing)
(see note below for timing)
(see note below for timing)
(see note below for timing)
(see note below for timing)
(see note below for timing)
(see note below for timing)
(see note below for timing)
FF Boundary Condition
TEMPERATURE RANGES
SKEW1
+WCLK +t
AUGUST 4, 2005
WFF