IDT72104L35J Integrated Device Technology, Inc., IDT72104L35J Datasheet

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IDT72104L35J

Manufacturer Part Number
IDT72104L35J
Description
CMOS parallel-serial FIFO 2048 x 9, 4096 x 9
Manufacturer
Integrated Device Technology, Inc.
Datasheet

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Part Number:
IDT72104L35J
Manufacturer:
IDT
Quantity:
1 238
FEATURES:
• 35ns parallel port access time, 45ns cycle time
• 50MHz serial input/output frequency
• Serial-to-parallel, parallel-to-serial, serial-to-serial, and
• Expandable in both depth and width with no external
• Flexishift
• Multiple flags: Full, Almost-Full (Full-1/8),Full-Minus-
• Asynchronous and simultaneous read or write
• Dual-Port, zero fall-through time architecture
• Retransmit capability in single-device mode
• Packaged in 44-pin PLCC
• Industrial temperature range (-40
FUNCTIONAL BLOCK DIAGRAM
The IDT logo is a registered trademark of Integrated Device Technology,Inc.
COMMERCIAL TEMPERATURE RANGES
1996 Integrated Device Technology, Inc.
Integrated Device Technology, Inc.
parallel-to-parallel operations
components
from 4 bits to any width with no external components
One, Empty, Almost-Empty (Empty + 1/8), Empty-Plus
One, and Half-Full
operations
able, tested to military electrical specifications
— Sets programmable serial word width
SO
SICP
FL
SIX
SI
/PO
SERIAL
SI
/
XO
INPUT
/PI
RT
W
XI
CIRCUITRY
EXPANSION
PARALLEL
CONTROL
POINTER
SERIAL
SERIAL/
INPUT
DEPTH
WRITE
LOGIC
For latest information contact IDT's web site at www.idt.com or fax-on-demand at 408-492-8391.
o
C to +85
CMOS PARALLEL-SERIAL FIFO
2048 x 9, 4096 x 9
o
C) is avail-
OE
DATA OUTPUTS (Q
DATA INPUTS (D
RAM ARRAY
2048 x 9
4096 x 9
5.37
APPLICATIONS:
• High-speed data acquisition systems
• Local area network (LAN) buffer
• High-speed modem data buffer
• Remote telemetry data buffer
• FAX raster video data buffer
• Laser printer engine data buffer
• High-speed parallel bus-to-bus communications
• Magnetic media controllers
• Serial link buffer
DESCRIPTION:
to be used with high-performance systems for functions such
as serial communications, laser printer engine control and
local area networks.
make four modes of data transfer possible: serial-to-parallel,
parallel-to-serial, serial-to-serial, and parallel-to-parallel. The
IDT72103/72104 are expandable in both depth and width for
all of these operational configurations.
The IDT72103/72104 are high-speed Parallel-Serial FlFOs
A serial input, a serial output and two 9-bit parallel ports
0
-D
0
-Q
8
)
8
)
CIRCUITRY
OUTPUT
SERIAL
POINTER
RESET
LOGIC
LOGIC
READ
FLAG
OUTPUT
SERIAL
SO
SOX
SOCP
2753 drw 01
FF
FF-1
EF+1
EF
AEF
HF
R
RS
DECEMBER 1996
IDT72103
IDT72104
DSC-2753/8
1

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IDT72104L35J Summary of contents

Page 1

... RT LOGIC / The IDT logo is a registered trademark of Integrated Device Technology,Inc. COMMERCIAL TEMPERATURE RANGES 1996 Integrated Device Technology, Inc. For latest information contact IDT's web site at www.idt.com or fax-on-demand at 408-492-8391. CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 x 9 APPLICATIONS: • High-speed data acquisition systems • ...

Page 2

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 x 9 DESCRIPTION (CONTINUED) The IDT72103/72104 may be configured to handle serial word widths of four or greater using IDT’s unique Flexishift feature. Flexishift allows serial width and depth expansion without ...

Page 3

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9 AND 4096 x 9 ABSOLUTE MAXIMUM RATINGS Symbol Rating V Terminal Voltage TERM with Respect to GND T Operating Temperature A T Temperature Under Bias BIAS T Storage Temperature STG I DC ...

Page 4

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 x 9 PIN DESCRIPTION (Continued) Symbol Name I Expansion Out/ O Half-Full Flag AEF Almost-Empty/ O Almost-Full Flag EF+1 Empty+1 Flag O EF Empty Flag O Sl Serial ...

Page 5

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9 AND 4096 ELECTRICAL CHARACTERISTICS (Commercial 5.0V 10 Symbol Parameter (1) I Input Leakage Current IL (Any Input) (2) I Output Leakage Current OL V ...

Page 6

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 ELECTRICAL CHARACTERISTICS (Commercial 5.0V 10 Symbol Parameter f Parallel Shift Frequency S f Serial-Out Shift Frequency SOCP f Serial-In Shift Frequency SICP PARALLEL-OUTPUT MODE ...

Page 7

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9 AND 4096 ELECTRICAL CHARACTERISTICS (Commercial 5.0V 10 Symbol Parameter DEPTH EXPANSION MODE TIMINGS XO t Read/Write to LOW XOL XO t Read/Write to HIGH XOH ...

Page 8

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 x 9 GENERAL SIGNAL DESCRIPTION INPUTS: Data Inputs ( The parallel-in mode is selected by connecting the are the data input lines. ...

Page 9

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9 AND 4096 x 9 OUTPUTS: Data Outputs (Q – Data outputs for 9-bit wide data. These output lines are in a high-impedance condition whenever serial output mode is selected ...

Page 10

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 x 9 PARALLEL TIMINGS AEF, EF+1, EF FF-1, HF WPW 0– Figure 3. Write Operation in Parallel Data In Mode RT ...

Page 11

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9 AND 4096 NOTES: 1. Data is valid on this edge The Empty Flag is asserted by in the Parallel-Out mode and is specified by t ...

Page 12

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 HF RLZ Q 0-8 WRITE TO LAST PHYSICAL W LOCATION R t XOL XO ...

Page 13

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9 AND 4096 XIS XIR WRITE TO FIRST PHYSICAL LOCATION ...

Page 14

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 x 9 SERIAL TIMINGS: RS SICP SICP 1-8 NOTE: 1. SICP should be in the steady LOW or HIGH during t RS SOCP SOCP Q 0-8 t NOTE: ...

Page 15

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9 AND 4096 SICP (3) SI/ SIX NOTES: 1. For the stand alone mode and the input ...

Page 16

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 x 9 SICP D =W n (1) R NOTES: 1. Parallel Read shown for reference only. Can also use serial output mode. 2. The Empty Flag is ...

Page 17

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9 AND 4096 SICP W=D n-1 FF NOTES: 1. The Full Flag is asserted in the Serial-ln mode by using the t edge of SICP following a (t ...

Page 18

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 HALF-FULL + 1 SICP ALMOST-FULL + 1 AEF AEF Figure 25. Half-Full, Almost-Full and Almost-Empty Timings for Serial-In Mode W HF HALF-FULL (1/2) SOCP AEF ALMOST-EMPTY – ...

Page 19

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9 AND 4096 x 9 OPERATING DESCRIPTION PARALLEL OPERATING MODES: Parallel Data Input SI By setting /PI HIGH, data is written into the FIFO in parallel through the D0-D8 input data lines. Parallel ...

Page 20

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 x 9 INPUT CONFIGURATION TABLE Parallel Single Pin Input Device SI /PI HIGH LOW Sl HIGH or LOW Input Data SICP HIGH or LOW Input Clock SIX HIGH HIGH W Write ...

Page 21

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9 AND 4096 DATA IN (D) (W) WRITE (FF) FULL FLAG (RS) RESET (SI/PI NOTE: 1. Flag detection is accomplished by monitoring all the flag signals of either ...

Page 22

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 x 9 DEPTH EXPANSION (DAISY CHAIN) MODE The IDT72103/4 can be easily adapted to applications where the requirements are for greater than 2048/4096 words. Figure 29 demonstrates Depth Expansion using three ...

Page 23

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9 AND 4096 x 9 BIDIRECTIONAL MODE Applications requiring data buffering between two systems (each system capable of Read and Write operations) can be achieved by pairing IDT72103/4 as shown in Figure 30. ...

Page 24

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 x 9 TABLE 3: RESET AND FIRST LOAD TRUTH TABLE — DEPTH EXPANSION/COMPOUND EXPANSION MODE Inputs Mode Reset-First 0 0 Device Retransmit all 0 1 Other Devices ...

Page 25

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9 AND 4096 x 9 SINGLE DEVICE SERIAL INPUT CONFIGURATION SERIAL-IN CLOCK SERIAL-IN DATA SICP ...

Page 26

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 x 9 SERIAL INPUT WIDTH EXPANSION SERIAL-IN DATA SERIAL-IN CLOCK V CC SICP D OF FIFO #1 8 AND SIX OF FIFO # FIFO # AND OF ...

Page 27

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9 AND 4096 x 9 SERIAL INPUT WITH WIDTH AND DEPTH EXPANSION SERIAL DATA SIX 8 IDT72104 SICP 0 SIX ...

Page 28

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 x 9 SERIAL-OUT CLOCK SERIAL-OUT DATA SOCP ...

Page 29

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9 AND 4096 x 9 SOCP-SERIAL OUTPUT CLOCK DELAYED R TIMING GENERATOR SO/PO SERIAL-OUTPUT CLOCK V CC SOCP Q OF FIFO #1 8 AND SOX OF FIFO # FIFO #2 6 ...

Page 30

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9, 4096 x 9 SERIAL OUTPUT WITH DEPTH EXPANSION SOCP NOTE All /PI pins are tied to VCC and /PO pins are tied to GND ...

Page 31

IDT72103, IDT72104 CMOS PARALLEL-SERIAL FIFO 2048 x 9 AND 4096 x 9 ORDERING INFORMATION IDT XXXXX X XXX Device Power Speed Package Type X X Process/ Temperature Range Blank 72103 72104 5.37 COMMERCIAL TEMPERATURE RANGES Commercial ...

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