MAX3620DETT-T Maxim Integrated, MAX3620DETT-T Datasheet

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MAX3620DETT-T

Manufacturer Part Number
MAX3620DETT-T
Description
Delay Lines / Timing Elements
Manufacturer
Maxim Integrated
Datasheet
The MAX3620 series is a family of high-performance
passive delay lines for use in QDR/QDRII synchronous
memory systems. These delay lines support high-speed
transceiver logic (HSTL) source terminated transmission
with an unterminated load at the receiver, and deliver
accurate delays of 0.75ns, 1.00ns, 1.25ns, and 1.50ns
for the generation of the quarter clock phase. The
MAX3620 is offered in a small 3mm x 3mm package
which contains two delay lines of equal length that can
be driven either differentially or single-endedly.
19-3550; Rev 0; 1/05
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
*EP—EXPOSED PAD. MUST BE CONNECTED TO THE
SAME POTENTIAL AS COMMON.
TOP VIEW
QDR/QDRII Memory Systems
Multiphase Clock Generation
COMMON
IN1
IN2
1
2
3
*EP
________________________________________________________________ Maxim Integrated Products
QDR II SRAM CLOCK OUTPUT
HSTL SOURCE TERMINATED
General Description
MAX3620
TDFN
Pin Configuration
Delay Lines for High-Speed Clock
Applications
50Ω
50Ω
50Ω
50Ω
6
5
4
OUT1
COMMON
OUT2
COMMON
IN1
IN2
1/4 CLOCK PERIOD
DELAY LINE
MAX3620
♦ Supports HSTL Source Terminated Lines
♦ All-Passive Design
♦ Compatible with 100Ω Differential and 50Ω Single-
♦ Small 3mm x 3mm Package
MAX3620AETT
MAX3620BETT
MAX3620CETT
MAX3620DETT
MAX3620AETT
MAX3620BETT
MAX3620CETT
MAX3620DETT
Ended Transmission Lines
Distribution Systems
PART
OUT1
COMMON
OUT2
PART
Typical Application Circuit
50Ω
50Ω
50Ω
50Ω
Ordering Information
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
QDR II SRAM CLOCK INPUT
PKG CODE
HSTL HIGH-Z CMOS
T633-2
T633-2
T633-2
T633-2
90° PHASE
270° PHASE
180° PHASE
0° PHASE
Selector Guide
PIN-PACKAGE
6 TDFN
6 TDFN
6 TDFN
6 TDFN
Features
TOP MARK
AJX
AJA
AIY
AIZ
1

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