IDT723614L20PF

IDT723614L20PF Datasheet


IDT723614

Part Datasheet
IDT723614L20PF IDT723614L20PF IDT723614L20PF (pdf)
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PDF Datasheet Preview
CMOS SyncBiFIFOTM WITH BUS-MATCHING AND BYTE SWAPPING 64 x 36 x 2

IDT723614

FEATURES:
• Free-running CLKA and CLKB can be asynchronous or coincident simultaneous reading and writing of data on a single clock edge is permitted
• Two independent clocked FIFOs 64 x 36 storage capacity each buffering data in opposite directions
• Mailbox bypass Register for each FIFO
• Dynamic Port B bus sizing of 36 bits long word , 18 bits word ,
and 9 bits byte
• Selection of Big- or Little-Endian format for word and byte bus
sizes
• Three modes of byte-order swapping on port B
• Programmable Almost-Full and Almost-Empty flags
• Microprocessor interface control logic
• EFA, FFA, AEA, and AFA flags synchronized by CLKA
• EFB, FFB, AEB, and AFB flags synchronized by CLKB
• Passive parity checking on each port
• Parity generation can be selected for each port
• Supports clock frequencies up to 67 MHz
• Fast access times of 10 ns
• Available in 132-pin plastic quad flat package PQF or space-
saving 120-pin thin quad flat package TQFP
• Industrial temperature range to +85°C is available
• Green parts available, see ordering information

FUNCTIONAL BLOCK DIAGRAM

CLKA CSA

W/RA ENA MBA

Port-A Control Logic

Mail 1 Register

Parity Gen/Check

MBF1 PEFB

Input Register Parity Generation Byte Matching & Byte Swapping Output Register

RST ODD/ EVEN

Device Control

FFA AFA

FS0 FS1 A0 - A35 EFA AEA

RAM ARRAY
64 x 36

Write Read Pointer

FIFO1 FIFO2

Status Flag Logic

Programmable Flag Offset Register

Status Flag Logic

Read Write Pointer

EFB AEB

B0-B35 FFB AFB

Output Register

Parity Generation Bus Matching & Byte Swapping

Input Register

RAM ARRAY
64 x 36

PEFA MBF2

Parity Gen/Check

Mail 2 Register

Port-B Control Logic

IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc. SyncBIFIFO is a trademark of Integrated Device Technology, Inc.

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
2009 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.

CLKB CSB W/RB ENB BE

SIZ0 SIZ1 SW0 SW1
3146 drw01

JANUARY 2009

DSC-3146/3

IDT723614 CMOS SYNCBIFIFO WITH BUS-MATCHING AND BYTE SWAPPING 64 x 36 x 2
ORDERING INFORMATION

Device Type Power Speed Package

Process/ Temperature

Range

BLANK I 1

PF PQF
15 20

Commercial 0°C to +70°C Industrial 40°C to +85°C

Green

Thin Quad Flat Pack TQFP, PN120-1 Plastic Quad Flat Pack PQFP, PQ132-1

Commercial Only Clock Cycle Time t CLK

Com'l & Ind'l

Speed in Nanoseconds

Low Power
723614
64 x 36 x 2 SyncBiFIFO

NOTES Industrial temperature range product for 20ns speed grade is available as a standard device. All other speed grades are available by special order. Green parts are available. For specific speeds and packages contact your sales office.
3146 drw29

DATASHEET DOCUMENT HISTORY
03/05/2002
pgs. 1, 8, 9 and
06/06/2005
pgs. 1, 2, 3 and
01/14/2009

CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, Ca 95138
for SALES 800-345-7015 or 408-284-8200 fax 408-284-2775
for TECH SUPPORT 408-360-1753
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Datasheet ID: IDT723614L20PF 637347