IDT72605L20J IDT, Integrated Device Technology Inc, IDT72605L20J Datasheet - Page 13

• 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

NOTES:
1. When CS
2. After the bypass operation is completed, the BYP
3. When A-side changed from bypass mode into FIFO mode, B-side only has one cycle to read the bypass data. On the next cycle, B-side will be forced back to FIFO
IDT72605/72615 CMOS SYNCBiFIFO™
256 x 18x 2 and 512 x 18 x 2
A
D
D
0
operation.
mode.
, A
A0-
B0-
CLK
R/W
CLK
R/W
BYP
EF
FF
1
D
D
OE
CS
EN
EN
, A
A17
B17
AB
AB
A
B
A
A
A
B
B
B
B
2
A
is brought HIGH, A→B Bypass mode will switch to FIFO mode on the following CLK
t
FIFO FLAG
CS
t
t
DS
SKEW1
DATA INPUT
t
FF
t
B
OLZ
goes from LOW-to-HIGH; this will reset all bypass flags. The bypass path becomes available for the next bypass
t
CH
t
EF
Figure 10. A → → → → → B Bypass Timing
A
t
OE
2
, A
1
BYPASS FLAG
, A
0
t
CS
= 001
t
EF
t
13
SKEW1
t
A
A
LOW-to-HIGH transition.
t
FF
BYPASS FLAG
DATA OUTPUT
t
CS
INDUSTRIAL TEMPERATURE RANGE
t
FF
t
CH
t
SKEW1
t
EF
t
OHZ
FIFO FLAG
FIFO FLAG
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