72T18105L5BBGI Integrated Device Technology (Idt), 72T18105L5BBGI Datasheet - Page 51

• Manufacturer Part Number: 72T18105L5BBGI
• Description: FIFO Mem Async/Sync Dual Depth/Width Uni-Dir 128K x 18/256K x 9 240-Pin BGA
• Manufacturer: Integrated Device Technology (Idt)

Specifications of 72T18105L5BBGI

• Package: 240BGA
• Configuration: Dual
• Bus Directional: Uni-Directional
• Density: 2.25 Mb
• Organization: 128Kx18|256Kx9
• Data Bus Width: 9/18 Bit
• Timing Type: Asynchronous|Synchronous
• Expansion Type: Depth|Width
• Typical Operating Supply Voltage: 2.5 V
• Operating Temperature: -40 to 85 °C

NOTES:
1. OE = LOW, RCS = LOW and REN = LOW.
2. Asynchronous Read is available in IDT Standard Mode only.
NOTES:
1. OE = LOW, RCS = LOW and REN = LOW.
2. Asynchronous Read is available in IDT Standard Mode only.
WCLK
WCLK
IDT72T1845/55/65/75/85/95/105/115/125 2.5V TeraSync™ 18-BIT/9-BIT FIFO
8Kx9, 8Kx18/16Kx9, 16Kx18/32Kx9, 32Kx18/64Kx9, 64Kx18/128Kx9, 128Kx18/256Kx9, 256Kx18/512Kx9, 512Kx18/1Mx9
WEN
WEN
Qn
RD
RD
Dn
FF
EF
Qn
Dn
Last Word
Last Word in Output Register
t
t
AA
SKEW
Figure 33. Synchronous Write, Asynchronous Read, Empty Flag Operation (IDT Standard Mode)
t
t
ENS
DS
Figure 32. Synchronous Write, Asynchronous Read, Full Flag (IDT Standard Mode)
W
1
0
t
t
ENH
DH
t
EFA
No Write
W
X
t
CYL
t
RPE
t
CYC
t
AA
t
CYH
t
t
AA
EFA
t
2
WFF
t
CYH
W
X+1
51
W
0
D
2Kx18/4Kx9, 4Kx18/
F
COMMERCIAL AND INDUSTRIAL
D
F+1
t
TEMPERATURE RANGES
WFF
FEBRUARY 10, 2009
5909 drw36
5909 drw37