IDT72T1845L4-4BB IDT, Integrated Device Technology Inc, IDT72T1845L4-4BB Datasheet - Page 50

• Manufacturer Part Number: IDT72T1845L4-4BB
• Description: IC FIFO 2048X18 2.5V 4NS 240BGA
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: 72Tr

Specifications of IDT72T1845L4-4BB

• Function: Asynchronous, Dual Port
• Memory Size: 36.8K (2K x 18)
• Data Rate: 10MHz
• Access Time: 3.4ns
• Voltage - Supply: 2.375 V ~ 2.625 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 240-BGA
• Configuration: Dual
• Density: 36Kb
• Access Time (max): 3.4/8ns
• Word Size: 9/18Bit
• Organization: 2Kx18/4Kx9
• Sync/async: Synchronous
• Expandable: Yes
• Bus Direction: Uni-Directional
• Package Type: PBGA
• Clock Freq (max): 225/100MHz
• Operating Supply Voltage (typ): 2.5V
• Operating Supply Voltage (min): 2.375V
• Operating Supply Voltage (max): 2.625V
• Supply Current: 60mA
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 144
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 72T1845L4-4BB

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