IDT72605L20J IDT, Integrated Device Technology Inc, IDT72605L20J Datasheet - Page 11

• Manufacturer Part Number: IDT72605L20J
• Description: IC FIFO BI SYNC 256X18 68-PLCC
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: 7200r

Specifications of IDT72605L20J

• Function: Synchronous
• Memory Size: 9.2K (512 x 18)
• Data Rate: 50MHz
• Access Time: 20ns
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 68-PLCC
• Configuration: Dual
• Density: 9Kb
• Access Time (max): 10ns
• Word Size: 18b
• Organization: 256x18x2
• Sync/async: Synchronous
• Expandable: No
• Bus Direction: Bi-Directional
• Package Type: PLCC
• Clock Freq (max): 50MHz
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 230mA
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 68
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 72605L20J

NOTE:
1. When t
IDT72605/72615 CMOS SYNCBiFIFO™
256 x 18x 2 and 512 x 18 x 2
The Latency Timing applies only at the Empty Boundary (EF = LOW).
A
CS
D
D
0
D
B0-
, A
A0-
t
A
SKEW1
SKEW1
B0-
R/W
CLK
CLK
R/W
, EN
EF
D
R/W
1
D
CLK
CLK
EN
OE
EF
D
, A
OE
EN
B17
A17
AB
B17
BA
A
A
A
B
B
B
B
< minimum specification, t
2
≥ minimum specification, t
B
B
B
B
A
Figure 8. A → → → → → B First Data Word Latency after Reset for Simultaneous Read and Write
FRL
FRL
t
SKEW1
(Max.) = 2t
t
(Max.) = t
CS
t
CS
NO WRITE OPERATION
D
0
(First Valid Write)
t
CLK
CLK
DS
t
+ t
OLZ
+ t
t
OLZ
(1)
SKEW1
SKEW1 or
Figure 7. Port B (A → → → → → B) Read Timing
t
t
EF
CH
t
CLKH
t
FRL
t
t
A
t
EF
CLK
t
OE
+ t
SKEW1
t
OE
t
t
CS
CLK
11
NO OPERATION
D
1
t
CLKL
t
t
SKEW1
VALID DATA
A
t
OHZ
WRITE
D
D
2
INDUSTRIAL TEMPERATURE RANGE
0
t
t
A
EF
D
D
3
1
2704 drw 10
2704 drw 11