IDT72V851L20PF8 IDT, Integrated Device Technology Inc, IDT72V851L20PF8 Datasheet - Page 16

• Manufacturer Part Number: IDT72V851L20PF8
• Description: IC FIFO SYNC 4096X18 20NS 64QFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: 72Vr

Specifications of IDT72V851L20PF8

• Function: Asynchronous
• Memory Size: 72K (4K x 18)
• Data Rate: 50MHz
• Access Time: 20ns
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 72V851L20PF8

require greater than 256/512/1,024/2,048/4,096/8,192 words. The exist-
ence of double enable pins on the read and write ports allow depth expansion.
The Write Enable 2/Load (WENA2, WENB2) pins are used as a second write
enables in a depth expansion configuration, thus the Programmable flags are
set to the default values. Depth expansion is possible by using one enable
input for system control while the other enable input is controlled by expansion
logic to direct the flow of data. A typical application would have the expansion
logic alternate data access from one device to the next in a sequential manner.
Device Type
ORDERING INFORMATION
DATASHEET DOCUMENT HISTORY
04/24/2001
02/02/2006
10/22/2008
NOTES:
1. Industrial temperature range product for the 15ns speed grade is available as a standard device.
2. Green parts available. For specific speeds and packages contact your local sales office.
DEPTH EXPANSION — These FIFOs can be adapted to applications that
XXXXX
Power
pgs. 4, 5 and 16
pgs. 1 and 16.
pg.
X
16.
CORPORATE HEADQUARTERS
6024 Silver Creek Valley Road
San Jose, CA 95138
Speed
XX
Package
XX
X
for SALES:
800-345-7015 or 408-284-8200
fax: [phone]
www.idt.com
Temperature
Process/
16
Range
X
The IDT72V801/72V811/72V821/72V831/72V841/72V851 operates in the
Depth Expansion configuration when the following conditions are met:
these pins operate as second Write Enables.
CHRONOUS FIFOs USING THE RING COUNTER APPROACH" for
details of this configuration.
Please see the Application Note "DEPTH EXPANSION OF IDT'S SYN-
1. WENA2/LDA and WENB2/LDB pins are held HIGH during Reset so that
2. External logic is used to control the flow of data.
10
15
BLANK
PF
TF
20
L
72V801
72V811
72V821
72V831
72V841
72V851
I
G
(1)
(2)
Commercial (0°C to +70°C)
Industrial (-40°C to +85°C)
Thin Quad Flatpack (TQFP, PN64-1)
Slim Thin Plastic Quad Flatpack (STQFP, PP64-1)
Commercial Only
Commercial And Industrial
Commercial Only
Low Power
256 x 9 ⎯ 3.3 Volt DUAL SyncFIFO
512 x 9 ⎯ 3.3 Volt DUAL SyncFIFO
1,024 x 9 ⎯ 3.3 Volt DUAL SyncFIFO
2,048 x 9 ⎯ 3.3 Volt DUAL SyncFIFO
4,096 x 9 ⎯ 3.3 Volt DUAL SyncFIFO
8,192 x 9 ⎯ 3.3 Volt DUAL SyncFIFO
Green
email: [e-mail]
Clock Cycle Time
(t
Nanoseconds
CLK
for Tech Support:
), speed in
408-360-1753
4093 drw 20