IDT72291L20TFI IDT, Integrated Device Technology Inc, IDT72291L20TFI Datasheet - Page 20

• 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

NOTES:
1. Retransmit setup is complete after EF returns HIGH, only then can a read operation begin.
2. OE = LOW.
3. W
4. No more than D – 2 may be written to the FIFO between Reset (Master or Partial) and Retransmit setup. Therefore, FF will be HIGH throughout the Retransmit setup
5. EF goes HIGH at 60 ns + 1 RCLK cycle + t
IDT72281/72291
CMOS SuperSync FIFO™ 65,536 x 9 and 131,072 x 9
Q
procedure. D = 65,536 for the IDT72281 and 131,072 for the IDT72291.
WCLK
RCLK
0
1
WEN
REN
PAE
- Q
PAF
= first word written to the FIFO after Master Reset, W
HF
EF
RT
n
t
ENS
W
x
t
t
A
ENH
t
ENS
REF
t
RTS
t
.
RTS
Figure 11. Retransmit Timing (IDT Standard Mode)
2
= second word written to the FIFO after Master Reset.
t
t
t
ENH
REF
HF
t
SKEW2
1
W
x+1
20
2
t
PAF
1
t
ENS
2
t
t
t
A
REF
PAE
COMMERCIAL AND INDUSTRIAL
(5)
W
TEMPERATURE RANGES
1
(3)
4675 drw 14
t
t
ENH
A
W
2
(3)