IDT723642L15PF IDT, Integrated Device Technology Inc, IDT723642L15PF Datasheet - Page 22

• 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. 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.
3. D = Maximum FIFO Depth = 256 for the IDT723622, 512 for the IDT723632, 1,024 for the IDT723642.
CLKB
CLKA
A0 - A35
IDT723622/723632/723642 CMOS SyncBiFIFO™
256 x 36 x 2, 512 x 36 x 2, 1,024 x 36 x 2
B0 - B35
ENB
AFB
ENA
and rising CLKA edge is less than t
SKEW2
CLKA
CLKB
W/RA
MBF1
W/RB
MBA
CSB
MBB
CSA
ENA
ENB
is the minimum time between a rising CLKB edge and a rising CLKA edge for AFB to transition HIGH in the next CLKB cycle. If the time between the rising CLKB edge
[D-(Y2+1)] Words in FIFO2
t
ENS2
t
EN
SKEW2
t
t
t
t
ENS1
ENS2
ENS1
ENS2
, then AFB may transition HIGH one CLKB cycle later than shown.
FIFO1 Output Register
t
ENH
t
PAF
t
DS
Figure 15. Timing for AFB
Figure 16. Timing for Mail1 Register and MBF1
W1
t
MDV
t
t
t
t
t
ENH
DH
ENH
ENH
ENH
t
ENS2
t
PMF
t
PMR
AFB
AFB
AFB when FIFO2 is Almost-Full
AFB
22
(D-Y2) Words in FIFO2
t
SKEW2
t
ENH
W1 (Remains valid in Mail1 Register after read)
(1)
t
ENS2
MBF1
MBF1
MBF1 Flag
1
MBF1
COMMERCIAL TEMPERATURE RANGE
t
ENH
t
PMF
2
t
PAF
t
DIS
3022 drw 18
3022 drw 17