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MAX3093ECPEDatasheet PDF
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________________General Description
The MAX3093E/MAX3094E are rugged, low-power,
quad, RS-422/RS-485 receivers featuring electrostatic
discharge (ESD) protection for use in harsh environ-
ments. All receiver inputs are protected to ±15kV using
IEC 1000-4-2 Air-Gap Discharge, ±8kV using IEC 1000-
4-2 Contact Discharge, and ±15kV using the Human
Body Model. The MAX3093E operates from a +5V sup-
ply, while the MAX3094E operates from a +3.3V supply.
Receiver propagation delays are guaranteed to within
±8ns of a predetermined value, thereby ensuring
device-to-device matching across production lots.
The devices feature a 1nA low-power shutdown mode
in which the receiver outputs are high impedance.
When active, these receivers have a fail-safe feature
that guarantees a logic-high output if the input is open
circuit. They also have a quarter-unit-load input imped-
ance that allows 128 receivers on a bus.
The MAX3093E/MAX3094E are pin-compatible, low-
power upgrades to the industry-standard ’34C86. They
are available in space-saving TSSOP, narrow SO, and
PDIP packages.
________________________Applications
Telecommunications Equipment
Rugged RS-422/RS-485/RS-423 Bus Receiver
Receivers for ESD-Sensitive Applications
Level Translators
____________________________Features
♦ ESD Protection
±15kV—IEC 1000-4-2 Air-Gap Discharge
±8kV—IEC 1000-4-2 Contact Discharge
±15kV—Human Body Model
♦ Guaranteed Propagation-Delay Tolerance
Between All ICs
±8ns (MAX3093E)
±10ns (MAX3094E)
♦ Single +3V Operation (MAX3094E)
Single +5V Operation (MAX3093E)
♦ 16-Pin TSSOP
♦ 10Mbps Data Rate
♦ Allow up to 128 Receivers on the Bus
♦ 1nA Low-Power Shutdown Mode
♦ 2.4mA Operating Supply Current
♦ Pin-Compatible Upgrades to
’34C86
MAX3093E/MAX3094E
±15kV ESD-Protected, 10Mbps, 3V/5V,
Low-Power Quad RS-422/RS-485 Receivers
________________________________________________________________ Maxim Integrated Products 1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
A- V
CC
B-
B+
YB
ENBD
YD
D+
D-
TOP VIEW
MAX3093E
MAX3094E
TSSOP/SO/DIP
A+
YA
C+
ENAC
YC
C-
GND
C
A
B
D
Pin Configuration
YA
YB
YC
YD
A+
A-
B+
B-
C+
C-
D+
D-
MAX3093E
MAX3094E
V
CC
GND
ENBD
ENAC
A
B
C
D
________________Functional Diagram
19-1779; Rev 2; 10/02
PART
MAX3093ECUE
MAX3093ECSE
MAX3093ECPE 0°C to +70°C
0°C to +70°C
0°C to +70°C
TEMP RANGE PIN-PACKAGE
16 TSSOP
16 Narrow SO
16 Plastic DIP
_______________Ordering Information
MAX3093EEUE
MAX3093EESE
MAX3093EEPE -40°C to +85°C
-40°C to +85°C
-40°C to +85°C 16 TSSOP
16 Narrow SO
16 Plastic DIP
MAX3094ECUE
MAX3094ECSE
MAX3094ECPE 0°C to +70°C
0°C to +70°C
0°C to +70°C 16 TSSOP
16 Narrow SO
16 Plastic DIP
MAX3094EEUE
MAX3094EESE
MAX3094EEPE -40°C to +85°C
-40°C to +85°C
-40°C to +85°C 16 TSSOP
16 Narrow SO
16 Plastic DIP
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.
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