72T18105L5BBGI Integrated Device Technology (Idt), 72T18105L5BBGI Datasheet - Page 50

• 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

NOTE:
1. OE = LOW, WEN = LOW and RCS = LOW.
NOTE:
1. OE = LOW, WEN = LOW and RCS = LOW.
RCLK
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
RCLK
REN
REN
WR
WR
EF
Qn
Dn
Qn
Dn
FF
t
DS
W
Figure 31. Asynchronous Write, Synchronous Read, Empty Flag Operation (IDT Standard Mode)
D
Figure 30. Asynchronous Write, Synchronous Read, Full Flag Operation (IDT Standard Mode)
t
DH
t
FFA
t
DS
W
0
t
t
SKEW
DH
t
Last Word
CYH
t
CYC
1
W
t
0
CYL
t
DS
W
1
t
DH
t
CYC
t
2
REF
50
t
ENS
t
t
ENH
FFA
t
A
t
ENS
2Kx18/4Kx9, 4Kx18/
t
A
W
D+1
t
FFA
W
COMMERCIAL AND INDUSTRIAL
0
t
CYH
W
t
t
ENH
REF
TEMPERATURE RANGES
t
1
A
FEBRUARY 10, 2009
W
1
5909 drw34
5909 drw35