72T7285L4-4BB IDT, Integrated Device Technology Inc, 72T7285L4-4BB Datasheet - Page 35
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72T7285L4-4BB
Manufacturer Part Number
72T7285L4-4BB
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.72T7285L4-4BB.pdf
(53 pages)
Specifications of 72T7285L4-4BB
Configuration
Dual
Density
1.125Mb
Access Time (max)
3.4ns
Word Size
72b
Organization
16Kx72
Sync/async
Synchronous
Expandable
Yes
Bus Direction
Uni-Directional
Package Type
BGA
Clock Freq (max)
225MHz
Operating Supply Voltage (typ)
2.5V
Operating Supply Voltage (min)
2.375V
Operating Supply Voltage (max)
2.625V
Supply Current
130mA
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
324
Lead Free Status / Rohs Status
Not Compliant
NOTES:
1. t
2. LD = HIGH.
3. First data word latency = t
4. OE is LOW.
Q0 - Qn
16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72
WCLK
RCLK
rising edge of WCLK and the rising edge of RCLK is less than t
WEN
SKEW1
RCS
REN
Dn
EF
is the minimum time between a rising WCLK edge and a rising RCLK edge to guarantee that EF will go HIGH (after one RCLK cycle plus t
t
t
ENS
ENS
t
RCSLZ
t
ENH
SKEW1
t
A
+ 1*T
LAST DATA-1
RCLK
Figure 13. Read Cycle and Read Chip Select (IDT Standard Mode)
+ t
REF.
t
RCSHZ
SKEW1
t
ENS
, then EF deassertion may be delayed one extra RCLK cycle.
t
RCSLZ
t
REF
t
35
A
t
t
ENS
DS
LAST DATA
D
t
ENS
x
t
SKEW1
t
ENH
t
DH
(1)
1
t
RCSHZ
COMMERCIAL AND INDUSTRIAL
2
TEMPERATURE RANGES
t
REF
REF
). If the time between the
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