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Data Sheet
HS-303RH-T
July 1999 File Number 4602.1
Radiation Hardened
CMOS Dual SPDT Analog Switch
Intersil’s Satellite Applications FlowTM (SAF) devices are fully
tested and guaranteed to 100kRAD Total Dose. These QML
Class T devices are processed to a standard flow intended
to meet the cost and shorter lead-time needs of large
volume satellite manufacturers, while maintaining a high
level of reliability.
The HS-303RH-T analog switch is a monolithic device
fabricated using Radiation Hardened CMOS technology and
the Intersil dielectric isolation process for latch-up free
operation. Improved total dose hardness is obtained by
layout (thin oxide tabs extending to a channel stop) and
processing (hardened gate oxide). This switch offers low-
resistance switching performance for analog voltages up to
the supply rails. “ON” resistance is low and stays reasonably
constant over the full range of operating voltage and current.
“ON” resistance also stays reasonably constant when
exposed to radiation, being typically 30pre-rad and 35
post 100kRAD(Si). Break-before-make switching is
controlled by 5V digital inputs.
Specifications
Specifications for Rad Hard QML devices are controlled by
the Defense Supply Center in Columbus (DSCC). The SMD
numbers listed below must be used when ordering.
Detailed Electrical Specifications for the HS-303RH-T
are contained in SMD 5962-95813. A “hot-link” is provided
from our website for downloading.
www.intersil.com/spacedefense/newsafclasst.asp
Intersil’s Quality Management Plan (QM Plan), listing all
Class T screening operations, is also available on our
website.
www.intersil.com/quality/manuals.asp
Ordering Information
ORDERING
NUMBER
PART
NUMBER
TEMP.
RANGE
(oC)
5962R9581301TCC
HS1-303RH-T
-55 to 125
5962R9581304TXC
HS9-303RH-T
-55 to 125
NOTE: Minimum order quantity for -T is 150 units through
distribution, or 450 units direct.
Features
• QML Class T, Per MIL-PRF-38535
• Radiation Performance
- Gamma Dose (γ) 1 x 105 RAD(Si)
• No Latch-Up, Dielectrically Isolated Device Islands
• Pin for Pin Compatible with Intersil HI-303 Series Analog
Switches
• Analog Signal Range 15V
• Low Leakage . . . . . . . . . . . . . . . . 100nA (Max, Post Rad)
• Low rON . . . . . . . . . . . . . . . . . . . . . . 60(Max, Post Rad)
• Low Operating Power . . . . . . . . . . 100µA (Max, Post Rad)
Pinouts
HS1-303RH-T (SBDIP), CDIP2-T14
TOP VIEW
NC 1
S3 2
D3 3
D1 4
S1 5
IN1 6
GND 7
14 V+
13 S4
12 D4
11 D2
10 S2
9 IN2
8 V-
HS9-303RH-T (FLATPACK) CDFP3-F14
TOP VIEW
NC
S3
D3
D1
S1
IN1
GND
1
2
3
4
5
6
7
14
V+
13
S4
12
D4
11
D2
10
S2
9
IN2
8
V-
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999
Satellite Applications Flow™ (SAF) is a trademark of Intersil Corporation.

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Functional Diagram
IN N P
HS-303RH-T
LOGIC
SBDIP TRUTH TABLE
SW1AND SW2 SW3 AND SW4
D
0
OFF
ON
1 ON OFF
Die Characteristics
DIE DIMENSIONS:
(2130µm x 1930µm x 279µm ±25.4µm)
84 x 76 x 11mils ±1mil
METALLIZATION:
Type: Al
Thickness: 12.5kÅ ±2kÅ
SUBSTRATE POTENTIAL:
Unbiased (DI)
BACKSIDE FINISH:
Gold
Metallization Mask Layout
PASSIVATION:
Type: Silox (SiO2)
Thickness: 8kÅ ±1kÅ
WORST CASE CURRENT DENSITY:
< 2.0e5 A/cm2
TRANSISTOR COUNT:
76
PROCESS:
Metal Gate CMOS, Dielectric Isolation
HS-303RH-T
D3 D4
D1 D2
S1 S2
IN1 IN2
All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.
Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time with-
out notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see web site http://www.intersil.com
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