Advanced Science And Novel Technology Company, Inc.
2790 Skypark Drive Suite 112, Torrance, CA 90505
Offices: 310-530-9400 / Fax: 310-530-9402
www.adsantec.com
ASNT5090-KMC
DC-48Gbps Broadband Digital 1:2 Demultiplexer
Fully differential CML input interfaces
Fully differential CML output interface with 400mV single-ended swing
Single +3.3V or -3.3V power supply
Power consumption: 730mW
Fabricated in SiGe for high performance, yield, and reliability
Custom CQFP 24-pin package
vee
Ideal for high speed proof-of-concept prototyping
vcc
q0n
Exhibits low jitter and limited temperature variation over industrial temperature range
vcc
q0p
High speed broadband 1:2 Demultiplexer
vcc
vee
vcc
vcc
dp
q1p
ASNT5090
vcc
vcc
dn
q1n
vcc
vcc
Rev. 2.2.2
1
vcc
cn
vcc
cp
vcc
vee
vee
May 2020
Advanced Science And Novel Technology Company, Inc.
2790 Skypark Drive Suite 112, Torrance, CA 90505
Offices: 310-530-9400 / Fax: 310-530-9402
www.adsantec.com
DESCRIPTION
q0p
q0n
50
50
50
50
dp
q1p
1:2 DMX
Core
dn
50
q1n
50
50
50
cp
cn
Fig. 1. Functional Block Diagram
The temperature stable ASNT5090-KMC SiGe IC can be utilized as a high speed 1:2 demultiplexer, and
is intended for use in high-speed measurement / test equipment. The IC shown in Fig. 1 can receive a
high speed differential data input signal dp/dn and effectively demultiplex it into two high speed
differential data output signals q0p/q0n and q1p/q1n by using a high speed differential clock input signal
cp/cn.
The part’s I/O’s support the CML logic interface with on chip 50Ohm termination to vcc and may be used
differentially, AC/DC coupled, single-ended, or in any combination (see also POWER SUPPLY
CONFIGURATION). In the DC-coupling mode, the input signal’s common mode voltage should comply
with the specifications shown in ELECTRICAL CHARACTERISTICS. In the AC-coupling mode, the
input termination provides the required common mode voltage automatically. The differential DC
signaling mode is recommended for optimal performance.
POWER SUPPLY CONFIGURATION
The part can operate with either negative supply (vcc = 0.0V = ground and vee = −3.3V), or positive
supply (vcc = +3.3V and vee = 0.0V = ground). In case of the positive supply, all I/Os need AC
termination when connected to any devices with 50Ohm termination to ground. Different PCB layouts
will be needed for each different power supply combination.
Rev. 2.2.2
2
May 2020
Advanced Science And Novel Technology Company, Inc.
2790 Skypark Drive Suite 112, Torrance, CA 90505
Offices: 310-530-9400 / Fax: 310-530-9402
www.adsantec.com
All the characteristics detailed below assume vcc = 0.0V and vee = -3.3V.
ABSOLUTE MAXIMUM RATINGS
Caution: Exceeding the absolute maximum ratings may cause damage to this product and/or lead to
reduced reliability. Functional performance is specified over the recommended operating conditions for
power supply and temperature only. AC and DC device characteristics at or beyond the absolute
maximum ratings are not assumed or implied. All min and max voltage limits are referenced to ground.
Table 1. Absolute Maximum Ratings
Parameter
Supply Voltage (vee)
Power Consumption
RF Input Voltage Swing (SE)
Case Temperature
Storage Temperature
Operational Humidity
Storage Humidity
Min
-40
10
10
Max
-3.6
0.80
1.0
+90
+100
98
98
Units
V
W
V
ºC
ºC
%
%
TERMINAL FUNCTIONS
TERMINAL
Name
No.
Type
dp
dn
q0p
q0n
q1p
q1n
cp
cn
Name
vcc
vee
Rev. 2.2.2
DESCRIPTION
High-Speed I/Os
21
CML Differential data input signals with internal 50Ohm termination
input to vcc
23
17
CML Differential data output signals with internal 50Ohm
output termination to vcc
15
11
CML Differential data output signals with internal 50Ohm
output termination to vcc
9
3
CML Differential clock input signals with internal 50Ohm
input termination to vcc
5
Supply and Termination Voltages
Description
Pin Number
Positive power supply
2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24
(+3.3V or 0)
Negative power supply
1, 7, 13, 19
(0V or -3.3V)
3
May 2020
Advanced Science And Novel Technology Company, Inc.
2790 Skypark Drive Suite 112, Torrance, CA 90505
Offices: 310-530-9400 / Fax: 310-530-9402
www.adsantec.com
ELECTRICAL CHARACTERISTICS
PARAMETER
vee
vcc
Ivee
Power consumption
Junction temperature
Data rate
Swing
CM Voltage level
Frequency
Swing
CM Voltage level
Duty cycle
Data rate
Logic “1” level
Logic “0” level
Rise/Fall times
Output Jitter
MIN
TYP
MAX UNIT
COMMENTS
General Parameters
-3.1
-3.3
-3.5
V
±6%
0.0
V
External ground
220
mA
730
mW
-40
25
125
°C
HS Input Data (dp/dn)
DC
48
Gbps
0.05
1.0
V
Differential or SE, p-p
vcc-0.8
vcc
V
Must match for both inputs
HS Input Clock (cp/cn)
DC
24
GHz
0.05
1.0
V
Differential or SE, p-p
vcc-0.8
vcc
V
Must match for both inputs
45
50
55
%
HS Output Data (q0p/q0n, q1p/q1n)
DC
24
Gbps
V
vcc
vcc-0.4
V
With external 50Ohm DC termination
7
9
11
ps
20%-80%
1
ps
Peak-to-peak
PACKAGE INFORMATION
The chip die is housed in a custom 24-pin CQFP package shown in Fig. 2. The package provides a center
heat slug located on its back side to be used for heat dissipation. ADSANTEC recommends for this
section to be soldered to the vcc plain, which is ground for a negative supply, or power for a positive
supply.
The part’s identification label is ASNT5090-KMC. The first 8 characters of the name before the dash
identify the bare die including general circuit family, fabrication technology, specific circuit type, and part
version while the 3 characters after the dash represent the package’s manufacturer, type, and pin out
count.
This device complies with the Restriction of Hazardous Substances (RoHS) per 2011/65/EU for all ten
substances.
Rev. 2.2.2
4
May 2020
Advanced Science And Novel Technology Company, Inc.
2790 Skypark Drive Suite 112, Torrance, CA 90505
Offices: 310-530-9400 / Fax: 310-530-9402
www.adsantec.com
Fig. 2. CQFP 24-Pin Package Drawing (All Dimensions in mm)
Rev. 2.2.2
5
May 2020
Advanced Science And Novel Technology Company, Inc.
2790 Skypark Drive Suite 112, Torrance, CA 90505
Offices: 310-530-9400 / Fax: 310-530-9402
www.adsantec.com
REVISION HISTORY
Revision
2.2.2
2.1.2
2.1.1
Date
05-2020
07-2019
03-2013
2.0.1
02-2013
1.0
10-2008
Rev. 2.2.2
Changes
Updated Package Information
Updated Letterhead
Revised title
Revised electrical characteristics
Revised title
Added pin out drawing
Revised functional block diagram
Revised description
Added power supply configuration
Added absolute maximum ratings
Revised terminal functions
Revised electrical characteristics
Revised package information
Added mechanical drawing
Format correction
First release
6
May 2020