IDT72291L20TFI IDT, Integrated Device Technology Inc, IDT72291L20TFI Datasheet - Page 8

• Manufacturer Part Number: IDT72291L20TFI
• Description: IC FIFO 65536X18 LP 20NS 64QFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: 7200r

Specifications of IDT72291L20TFI

• Function: Synchronous
• Memory Size: 1.1M (65K x 18)
• Data Rate: 50MHz
• Access Time: 20ns
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-STQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 72291L20TFI

TABLE 1 — STATUS FLAGS FOR IDT STANDARD MODE
NOTES:
1. n = Empty Offset, Default Values: n = 127 when parallel offset loading is selected or n = 1,023 when serial offset loading is selected.
2. m = Full Offset, Default Values: m = 127 when parallel offset loading is selected or m = 1,023 when serial offset loading is selected.
TABLE 2 — STATUS FLAGS FOR FWFT MODE
NOTES:
1. n = Empty Offset, Default Values: n = 127 when parallel offset loading is selected or n = 1,023 when serial offset loading is selected.
2. m = Full Offset, Default Values: m = 127 when parallel offset loading is selected or m = 1,023 when serial offset loading is selected.
IDT72281/72291
CMOS SuperSync FIFO™ 65,536 x 9 and 131,072 x 9
Number of
Words in
FIFO
Number of
Words in
FIFO
32,770 to (65,537–(m+1))
32,769 to (65,536–(m+1))
(65,536–m)
(65,537–m)
(n + 1) to 32,768
(n + 2) to 32,769
1 to n+ 1
IDT72281
IDT72281
1 to n
65,536
65,537
0
0
(2)
(2)
(1)
to 65,535
to 65,536
(1)
(2)
8
65,538 to (131,073–(m+1))
(131,073–m)
65,537 to (131,072–(m+1))
(131,072–m)
(n + 1) to 65,536
(n + 2) to 65,537
1 to n+ 1
IDT72291
IDT72291
131,072
131,073
1 to n
0
0
(2)
(2)
to 6131,072
(1)
to 131,071
(1)
(2)
COMMERCIAL AND INDUSTRIAL
FF
FF
H
H
H
H
H
H
L
L
L
L
L
L
TEMPERATURE RANGES
PAF
PAF
H
H
H
H
H
H
H
H
L
L
L
L
HF
HF
H
H
H
H
H
H
L
L
L
L
L
L
PAE
PAE
H
H
H
H
H
H
H
H
L
L
L
L
EF
EF
H
L
L
H
H
L
H
H
H
L
L
L