IDT723644L12PF IDT, Integrated Device Technology Inc, IDT723644L12PF Datasheet - Page 26

• Manufacturer Part Number: IDT723644L12PF
• Description: IC FIFO SYNC 2048X36 128QFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: 7200r

Specifications of IDT723644L12PF

• Function: Synchronous
• Memory Size: 72K (2K x 36)
• Data Rate: 83MHz
• Access Time: 12ns
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-TQFP, 128-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 723644L12PF

NOTES:
1. t
2. If Port B size is word or byte, t
B0-B35
A0-A35
IDT723624/723634/723644 CMOS SyncBiFIFO™ WITH BUS-MATCHING
256 x 36 x 2, 512 x 36 x 2, 1,024 x 36 x 2
CLKA
W/RA
W/RB
CLKB
and rising CLKA edge is less than t
MBB
SKEW1
MBA
CSB
ENB
CSA
ENA
EFA
FFB
is the minimum time between a rising CLKB edge and a rising CLKA edge for EFA to transition HIGH in the next CLKA cycle. If the time between the rising CLKB edge
LOW
HIGH
FIFO2 Empty
LOW
LOW
LOW
LOW
t
t
ENS2
ENS2
t
DS
Figure 18. EFA
SKEW1
is referenced to the rising CLKB edge that writes the last word or byte of the long word, respectively.
W1
SKEW1
EFA
EFA
EFA
EFA Flag Timing and First Data Read when FIFO2 is Empty (IDT Standard Mode)
, then the transition of EFA HIGH may occur one CLKA cycle later than shown.
t
SKEW1
t
t
t
ENH
ENH
DH
(1)
t
CLKH
1
t
CLK
t
CLKL
26
t
2
REF
t
CLKH
t
ENS2
t
CLK
t
CLKL
t
REF
t
A
t
ENH
COMMERCIAL TEMPERATURE RANGE
W1
3270 drw20