IDT72T55268L5BB IDT, Integrated Device Technology Inc, IDT72T55268L5BB Datasheet - Page 57

• Manufacturer Part Number: IDT72T55268L5BB
• Description: IC CTRL QUADMUX FLOW 324-BGA
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT72T55268L5BB

• Configuration: Dual
• Density: 4.5Mb
• Access Time (max): 3.6ns
• Word Size: 36b
• Sync/async: Synchronous
• Expandable: Yes
• Bus Direction: Uni-Directional
• Package Type: BGA
• Clock Freq (max): 200MHz
• Operating Supply Voltage (typ): 2.5V
• Operating Supply Voltage (min): 2.375V
• Operating Supply Voltage (max): 2.625V
• Supply Current: 150mA
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 324
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 72T55268L5BB

NOTES:
1. WCS0 is LOW.
2. FF3 is HIGH.
NOTES:
1. WCS0 is LOW.
2. IR3 is LOW.
3. Word D is the first word written and fell through to output (FWFT).
D[19:10]
IDT72T55248/72T55258/72T55268 2.5V QuadMux DDR Flow-Control Device with
Mux/Demux/Broadcast functions 8K x 40 x 4, 16K x 40 x 4 and 32K x 40 x 4
WCLK0
D[19:0]
WEN0
IS[1:0]
WCLK0
WEN0
IS[1:0]
CFF
CIR
FF
IR1
(3)
Word D+1 Queue 1
Word D Queue 1
t
t
ENS
ENS
Figure 29. Composite Input Ready Flag (Demux mode, FWFT mode, SDR to SDR) x20 In to x10 Out
Figure 28. Composite Full Flag (Demux mode, IDT Standard mode, SDR to SDR) x20 In to x10 Out
t
t
01 = Queue 1
DS
DS
01 = Queue 1
t
t
t
t
t
t
WFF
WFF
DH
WFF
WFF
DH
t
t
DH
DH
t
t
DS
DS
1
1
11 = Queue 3
11 = Queue 3
57
No Write
No Write
2
2
t
t
WFF
WFF
Word D Queue 3
Word D Queue 3
COMMERCIAL AND INDUSTRIAL
t
t
DS
DS
TEMPERATURE RANGES
3
3
t
t
DH
DH
FEBRUARY 01, 2009
Word D+1 Queue 3
Word D+1 Queue 3
6157 drw25
6157 drw26