IDT723642L15PF IDT, Integrated Device Technology Inc, IDT723642L15PF Datasheet - Page 21

• Manufacturer Part Number: IDT723642L15PF
• Description: IC FIFO SYNC 2048X36 120QFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: 7200r

Specifications of IDT723642L15PF

• Function: Synchronous
• Memory Size: 72K (2K 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
• Configuration: Dual
• Density: 72Kb
• Access Time (max): 10ns
• Word Size: 36b
• Organization: 1Kx36x2
• Sync/async: Synchronous
• Expandable: No
• Bus Direction: Bi-Directional
• Package Type: TQFP
• Clock Freq (max): 66.7MHz
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 400mA
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 120
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 723642L15PF

NOTES:
1. t
2. FIFO1 Write (CSA = LOW, W/RA = HIGH, MBA = LOW), FIFO1 read (CSB = LOW, W/RB = HIGH, MBB = LOW). Data in the FIFO1 output register has been read from the FIFO.
3. D = Maximum FIFO Depth = 256 for the IDT723622, 512 for the IDT723632, 1,024 for the IDT723642.
CLKB
CLKA
CLKA
CLKB
IDT723622/723632/723642 CMOS SyncBiFIFO™
256 x 36 x 2, 512 x 36 x 2, 1,024 x 36 x 2
NOTES:
1. t
2. FIFO2 Write (CSB = LOW, W/RB = LOW, MBB = LOW), FIFO2 read (CSA = LOW, W/RA = LOW, MBA = LOW). Data in the FIFO2 output register has been read from the FIFO.
ENA
AEA
AFA
ENB
ENB
ENA
and rising CLKB edge is less than t
SKEW2
and rising CLKA edge is less than t
SKEW2
is the minimum time between a rising CLKA edge and a rising CLKB edge for AFA to transition HIGH in the next CLKA cycle. If the time between the rising CLKA edge
is the minimum time between a rising CLKB edge and a rising CLKA edge for AEA to transition HIGH in the next CLKA cycle. If the time between the rising CLKB edge
X2 Words in FIFO2
[D-(Y1+1)] Words in FIFO1
t
EN2S
t
ENS2
SKEW2
SKEW2
, then AFA may transition HIGH one CLKA cycle later than shown.
, then AEA may transition HIGH one CLKA cycle later than shown.
t
t
SKEW2
ENH
t
ENH
t
PAF
Figure 13. Timing for AEA
Figure 14. Timing for AFA
(1)
1
t
ENS2
AEA
AEA
AEA
AEA when FIFO2 is Almost-Empty
AFA
AFA
AFA when FIFO1 is Almost-Full
AFA
21
t
SKEW2
t
ENH
(D-Y1) Words in FIFO1
2
(1)
t
PAE
1
COMMERCIAL TEMPERATURE RANGE
(X2+1) Words in FIFO2
t
ENS2
2
t
PAF
t
ENH
t
PAE
3022 drw 15
3022 drw 16