Overvoltage Protection. HS9-508BRH-Q Datasheet

HS9-508BRH-Q Protection. Datasheet pdf. Equivalent

Part HS9-508BRH-Q
Description Radiation Hardened 8 Channel CMOS Analog Multiplexer with Overvoltage Protection
Feature HS-508BRH Data Sheet December 1999 File Number 4824 Radiation Hardened 8 Channel CMOS Analog Multip.
Manufacture Intersil Corporation
Datasheet
Download HS9-508BRH-Q Datasheet




HS9-508BRH-Q
Data Sheet
HS-508BRH
December 1999
File Number 4824
Radiation Hardened 8 Channel CMOS
Analog Multiplexer with Overvoltage
Protection
The HS-508BRH is a dielectrically isolated, radiation
hardened, CMOS analog multiplexer incorporating an
important feature; it withstands analog input voltages much
greater than the supplies. This is essential in any system
where the analog inputs originate outside the equipment.
They can withstand a continuous input up to 10V greater than
either supply, which eliminates the possibility of damage when
supplies are off, but input signals are present. Equally
important, it can withstand brief input transient spikes of
several hundred volts; which otherwise would require complex
external protection networks. Necessarily, ON resistance is
somewhat higher than similar unprotected devices, but very
low leakage current combine to produce low errors.
Reference Application Notes 520 and 521 for further
information on the HS-508BRH multiplexer in general.
The HS-508BRH has been specifically designed to meet
exposure to radiation environments. Operation from -55oC to
125oC is guaranteed.
Ordering Information
ORDERING NUMBER
INTERNAL
MKT. NUMBER
5962R9674202QEC HS1-508BRH-8
5962R9674202QXC HS9-508BRH-8
5962R9674202VEC HS1-508BRH-Q
5962R9674202VXC HS9-508BRH-Q
HS1-508BRH/PROTO HS1-508BRH/PROTO
HS9-508BRH/PROTO HS9-508BRH/PROTO
TEMP.
RANGE (oC)
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
Pinouts
HS1-508BRH 16 LEAD SIDEBRAZE DIP
MIL-STD-1835, CDIP2-T16
TOP VIEW
AO 1
EN 2
-VSUP 3
IN 1 4
IN 2 5
IN 3 6
IN 4 7
OUT 8
16 A1
15 A2
14 GND
13 +VSUP
12 IN 5
11 IN 6
10 IN 7
9 IN 8
Features
• Electrically Screened to SMD # 5962-96742
• QML Qualified per MIL-PRF-38535 Requirements
• Radiation Environment
- Gamma Dose (γ) . . . . . . . . . . . . . . . . . 3 x 105RAD(Si)
- Dielectrically Isolated Device Islands
- SEP >100 Mev-mg/cm2
• Analog/Digital Overvoltage Protection
• ESD Rated to 3KV
• Fail Safe with Power Loss (No Latchup)
• Break-Before-Make Switching
• DTL/TTL and CMOS Compatible
• Analog Signal Range . . . . . . . . . . . . . . . . . . . . . . . . . . . .±15V
• Fast Access Time
• Supply Current at 1MHz Address Toggle . . . . . .4mA (Typ)
• Standby Power . . . . . . . . . . . . . . . . . . . . . . . .7.5mW (Typ)
Specifications for Rad Hard QML devices are controlled
by the Defense Supply Center in Columbus (DSCC). The
SMD numbers listed here must be used when ordering.
Detailed Electrical Specifications for these devices are
contained in SMD 5962-96742. A “hot-link” is provided
on our homepage for downloading.
www.intersil.com/spacedefense/newsafclasst.asp
A0
EN
-VSUP
IN1
IN2
IN3
IN4
OUT
HS9-508BRH 16 LEAD FLATPACK
MIL-STD-1835, CDFP4-F16
TOP VIEW
1 16
2 15
3 14
4 13
5 12
6 11
7 10
89
A1
A2
GND
+VSUP
IN5
IN6
IN7
IN8
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999



HS9-508BRH-Q
Functional Diagram
HS-508BRH
A0
DIGITAL
ADDRESS
A1
A2
PN
IN 1
1
OUT
EN
ADDRESS INPUT
BUFFER AND
LEVEL SHIFTER
8
DECODERS
PN
MULTIPLEX
SWITCHES
IN 8
TRUTH TABLE
A2 A1 A0 EN “ON” CHANNEL
XXXL
NONE
L L LH
1
L LHH
2
LHLH
3
L HHH
4
HL LH
5
H L HH
6
HH L H
7
HHHH
8
2







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