IDT72225LB15J8 IDT, Integrated Device Technology Inc, IDT72225LB15J8 Datasheet - Page 15

IC FIFO 1024X18 SYNC 15NS 68PLCC

IDT72225LB15J8

Manufacturer Part Number
IDT72225LB15J8
Description
IC FIFO 1024X18 SYNC 15NS 68PLCC
Manufacturer
IDT, Integrated Device Technology Inc
Series
7200r
Datasheet

Specifications of IDT72225LB15J8

Function
Synchronous
Memory Size
18.4K (1K x 18)
Access Time
15ns
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
18Kb
Access Time (max)
10ns
Word Size
18b
Organization
1Kx18
Sync/async
Synchronous
Expandable
Yes
Bus Direction
Uni-Directional
Package Type
PLCC
Clock Freq (max)
66.7MHz
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Supply Current
60mA
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
68
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Rate
-
Lead Free Status / Rohs Status
Not Compliant
Other names
72225LB15J8

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
IDT72225LB15J8
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
Part Number:
IDT72225LB15J8
Manufacturer:
IDT
Quantity:
253
DEPTH EXPANSION CONFIGURATION —
(WITH PROGRAMMABLE FLAGS)
512/1,024/2,048/4,096 words of buffering. Figure 21 shows Depth Expansion
using three IDT72205LB/72215LB/72225LB/72235LB/72245LBs. Maximum
depth is limited only by signal loading. Follow these steps:
IDT72205LB/72215LB/72225LB/72235LB/72245LB CMOS SyncFIFO
256 x 18, 512 x 18, 1,024 x 18, 2,048 x 18 and 4,096 x 18
WRITE ENABLE
These devices can easily be adapted to applications requiring more than 256/
1. The first device must be designated by grounding the First Load (FL)
2. All other devices must have FL in the HIGH state.
WRITE CLOCK
control input.
DATA IN
RESET
LOAD
Figure 21. Block Diagram of 768 x 18, 1,536 x 18, 3,072 x 18, 6,144 x 18, 12,288 x 18 Synchronous
FIFO Memory With Programmable Flags used in Depth Expansion Configuration
FIRST LOAD (
Vcc
Vcc
)
Dn
WCLK
WCLK
Dn
Dn
WCLK
72205LB
72215LB
72225LB
72235LB
72245LB
72205LB
72215LB
72225LB
72235LB
72245LB
72205LB
72215LB
72225LB
72235LB
72245LB
IDT
IDT
IDT
RCLK
RCLK
RCLK
Qn
Qn
Qn
15
TM
3. The Write Expansion Out (WXO) pin of each device must be tied to
4. The Read Expansion Out (RXO) pin of each device must be tied to the
5. All Load (LD) pins are tied together.
6. The Half-Full Flag (HF) is not available in this Depth Expansion
7. EF, FF, PAE, and PAF are created with composite flags by ORing
the Write Expansion In (WXI) pin of the next device. See Figure 21.
Read Expansion In (RXI) pin of the next device. See Figure 21.
Configuration.
together every respective flags for monitoring. The composite PAE
and PAF flags are not precise.
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
OCTOBER 22, 2008
READ CLOCK
READ ENABLE
DATA OUT
OUTPUT ENABLE
2766 drw 23

Related parts for IDT72225LB15J8