IDT72T1845L4-4BB IDT, Integrated Device Technology Inc, IDT72T1845L4-4BB Datasheet - Page 52

• 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

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