72T18105L5BBGI Integrated Device Technology (Idt), 72T18105L5BBGI Datasheet - Page 52

• 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, WEN = LOW, REN = LOW and RCS = LOW.
2. Asynchronous Read is available in IDT Standard Mode only.
NOTES:
1. OE = LOW, WEN = LOW, REN = LOW and RCS = LOW.
2. Asynchronous Read is available in IDT Standard Mode only.
WR
WR
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
RD
RD
Qn
FF
Dn
Qn
EF
Dn
W
0
Last Word in O/P Register
t
W
t
EFA
DH
Figure 34. Asynchronous Write, Asynchronous Read, Empty Flag Operation (IDT Standard Mode)
x
t
Figure 35. Asynchronous Write, Asynchronous Read, Full Flag Operation (IDT Standard Mode)
CYH
t
t
FFA
AA
t
CYH
t
CYC
t
CYC
t
RPE
t
CYL
t
CYL
W
t
DS
x+1
W
1
t
AA
t
t
AA
DH
t
DS
W
W
y
t
x+2
DH
W
t
CYH
52
0
t
CYC
t
AA
t
CYL
2Kx18/4Kx9, 4Kx18/
t
DS
t
W
EFA
y+1
t
t
FFA
DH
W
1
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
FEBRUARY 10, 2009
5909 drw38
5909 drw39