IDT72V3612L12PFG IDT, Integrated Device Technology Inc, IDT72V3612L12PFG Datasheet - Page 7

• Manufacturer Part Number: IDT72V3612L12PFG
• Description: IC FIFO 64X36X2 12NS 120QFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: 72Vr

Specifications of IDT72V3612L12PFG

• Function: Asynchronous
• Memory Size: 4.6K (64 x 36 x2)
• Data Rate: 83MHz
• Access Time: 12ns
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 120-TQFP, 120-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 72V3612L12PFG

DETERMINING ACTIVE CURRENT CONSUMPTION AND POWER DISSIPATION
f
the graph to a zero-capacitance load. Once the capacitance load per data-output channel is known, the power dissipation can be calculated with the equation
below.
CALCULATING POWER DISSIPATION
where:
by:
S
IDT72V3612 3.3V, CMOS SyncBiFIFO
64 x 36 x 2
. All data inputs and data outputs change state during each clock cycle to consume the highest supply current. Data outputs were disconnected to normalize
N
C
f
V
V
o
L
OH
OL
The I
With I
When no reads or writes are occurring on this device, the power dissipated by a single clock (CLKA or CLKB) input running at frequency f
100
150
125
175
75
50
25
CC(f)
P
=
=
=
=
=
0
CC(f
T
= V
current for the graph in Figure 1 was taken while simultaneously reading and writing the FIFO on the IDT72V3612 with CLKA and CLKB set to
) taken from Figure 1, the maximum power dissipation (P
0
CC
x I
number of outputs = 36
output capacitance load
switching frequency of an output
output HIGH level voltage
output LOW level voltage
P
T
CC(f)
= V
CC
+ Σ(C
10
N
x f
Figure 1. Typical Characteristics: Supply Current (I
S
L
x 0.025 mA/MHz
x (V
f
T
C
data
A
L
OH
= 25°C
= 0 pF
= 1/2 f
- V
TM
20
OL
)
S
2
x f
O
)
V
CC
30
= 3.3V
f
S
⎯ Clock Frequency ⎯ MHz
T
) of the IDT72V3612 may be calculated by:
40
7
CC
50
) vs. Clock Frequency (f
V
CC
= 3.6V
60
COMMERCIAL TEMPERATURE RANGE
V
CC
S
70
)
= 3.0V
FEBRUARY 12, 2009
80
S
4663 drw 04
is calculated
90