HC4851 Datasheet PDF - STMicroelectronics
| Part Number | HC4851 | |
| Description | M74HC4851 | |
| Manufacturers | STMicroelectronics | |
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M74HC4851
Single 8-channel analog MUX/DEMUX with injection current
protection
Datasheet − production data
Features
■ Low power dissipation
– ICC = 2 μA (max.) at TA = 25 °C
■ Injection current protection
– VΔOUT < 1 mV at VCC = 5 V, IIN ≤ 1 mA
– RS ≤ 3.9 kΩ
■ “ON” resistance at TA = 25 °C
– 215 Ω typ. (VCC = 3.0 V)
– 160 Ω typ. (VCC = 4.5 V)
– 150 Ω typ. (VCC = 6 V)
■ Fast switching
– tpd = 8.6 ns (typ.) at TA = 25 °C, VCC = 4.5 V
■ Wide operating supply voltage range
– VCC = 2 V to 6 V
■ High noise immunity
– VNIH = VNIL = 28% VCC (min.)
■ Pin and function compatible with series 4051,
4851
■ Latch-up performance exceeds 500 mA
– (JESD 17)
■ ESD performance
– HBM: 2000 V
– MM: 200 V
– CDM: 1000 V
SO-16
TSSOP16
Applications
■ Automotive
■ Computer
■ Consumer
■ Industrial
Description
The M74HC4851 device is a single 8-channel
analog multiplexer/demultiplexer manufactured
with silicon gate C2MOS technology.
It features injection current effect control which
makes the device particularly suited for use in
automotive applications where voltages in excess
of normal logic voltages are common. The
injection current effect control allows signals at
disabled input channels to exceed the supply
voltage range or go down to ground without
affecting the signal of the enabled analog
channel.
This eliminates the need for external diode-
resistor networks typically used to keep the
analog channel signals within the supply voltage
range.
Table 1. Device summary
Order code
Temperature range
Package
Packaging
Marking
M74HC4851YRM13TR(1)
-40/+125 °C
SO-16 (automotive grade) Tape and reel 74HC4851Y
M74HC4851RM13TR
M74HC4851YTTR(1)
-55/+125 °C
-40/+125 °C
SO-16
Tape and reel
TSSOP16 (automotive grade) Tape and reel
74HC4851
HC4851Y
M74HC4851TTR
-55/+125 °C
TSSOP16
Tape and reel HC4851
1. Qualification and characterization according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC
Q001 and Q002 or equivalent.
October 2012
This is information on a product in full production.
Doc ID 8640 Rev 7
1/16
www.st.com
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M74HC4851
Absolute maximum ratings and operating conditions
2 Absolute maximum ratings and operating conditions
Note:
Absolute maximum ratings are those values beyond which damage to the device may occur.
Functional operation under these conditions is not implied.
Table 4.
Symbol
Absolute maximum ratings
Parameter
Value
VCC Supply voltage
VIN Control input voltage
VI/O Switch I/O voltage
ICK Control input diode current
IIOK I/O diode current
ICC DC VCC or ground current
PD Power dissipation
Tstg Storage temperature
TL Lead temperature (10 sec.)
Human body model (HBM)
ESD
(JESD22)
Machine model (MM)
Charged device model (CDM)
SO-16
TSSOP16
-0.5 to +7
-0.5 to VCC + 0.5
-0.5 to VCC + 0.5
± 25
± 25
± 50
500(1)
450(1)
-65 to +150
300
2000
200
1000
1. Power dissipation at 65 °C. Derating from 65 °C to 125 °C: SO package -7 mW/°C; TSSOP package -6.1 mW/°C.
Unit
V
V
V
mA
mA
mA
mW
mW
°C
°C
V
V
V
Table 5. Recommended operating conditions
Symbol
Parameter
Value
Unit
VCC Supply voltage
VI/O Input output voltage
VI/O Static or dynamic voltage across switch(1)
VIN Control input voltage
Top Operating temperature
SO-16, TSSOP16
SO-16, TSSOP16 (automotive grade)
2 to 6
0 to VCC
0 to 1.2
0 to VCC
-55 to +125
-40 to +125
V
V
V
V
°C
°C
VCC = 2.0 V
Input rise and fall time(2)
VCC = 3.0.V
tr, tf (channel select or enable inputs VCC = 3.3 V
only)
VCC = 4.5 V
VCC = 6.0 V
0 to 1000
0 to 800
0 to 700
0 to 500
0 to 400
ns
1. For voltage drops across the switch greater than 1.2 V (switch on), excessive VCC current may be drawn; i.e., the current
out of the switch may contain both VCC and switch input components. The reliability of the device is unaffected unless the
maximum ratings are exceeded.
2. VIN from 30% to 70% VCC of channel selected or enable inputs.
Doc ID 8640 Rev 7
5/16
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