IDT72T55268L5BB IDT, Integrated Device Technology Inc, IDT72T55268L5BB Datasheet - Page 47

• 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

Din[9:0]
NOTES:
1. WCS0, RCS0/1/2, and OE0/1/2 are LOW.
2. There is a two-stage pipeline so each read appears in the queue two cycles or three rising edges of WCLK later.
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
Q[29:20]
Q[19:10]
WCLK0
RCLK2
RCLK1
RCLK0
WEN0
IS[1:0]
REN2
REN1
REN0
Q[9:0]
FF2
FF1
FF0
(2)
Word X-1 Queue X
10 = Queue 2
Figure 16. Write Cycle and Full Flag Timing (Demux mode, IDT Standard mode, SDR to SDR) x10 In to x10 Out
t
t
ENH
DH
Previous Data in Output Register
t
Word X Queue X
ENS
t
01 = Queue 1
DS
Previous Data in Output Register
t
t
t
ENH
WFF
DH
Previous Data in Output Register
Word 0 Queue 2
00 = Queue 0
t
WFF
t
ENS
Word 0 Queue 1
t
A
t
SKEW1
10
1
47
t
WFF
Word 1
t
ENS
t
t
t
A
A
SKEW1
01
2
t
WFF
Word 2
Word 1
t
ENS
t
t
t
t
A
A
A
SKEW1
00
NO WRITE
1
t
WFF
Word 1
Word 3
Word 2
COMMERCIAL AND INDUSTRIAL
t
t
t
A
A
A
Word 1 Queue 1
TEMPERATURE RANGES
10
FEBRUARY 01, 2009
2
t
WFF
Word 4
Word 2
Word 3
Word 0 Queue 0
t
t
t
A
A
A
01
Word 5
Word 3
Word 4
6157 drwB