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CD74HC4352E Datasheet Preview

CD74HC4352E Datasheet

Analog Multiplexers/Demultiplexers

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Data sheet acquired from Harris Semiconductor
SCHS213C
September 1998 - Revised July 2003
CD54HC4351, CD74HC4351,
CD74HCT4351, CD74HC4352
High-Speed CMOS Logic
Analog Multiplexers/Demultiplexers with Latch
[ /Title
(CD74
HC435
1,
CD74
HCT43
51,
CD74
HC435
2)
/Sub-
ject
(High
Speed
CMOS
Logic
Ana-
log
Multi-
plex-
ers/De
multi-
plex-
ers
with
Latch)
/Autho
r ()
/Key-
words
(High
Speed
CMOS
Logic
Features
• Wide Analog Input Voltage Range . . . . . . . . . ±5V (Max)
• Low “On” Resistance
- VCC - VEE = 4.5V. . . . . . . . . . . . . . . . . . . . . . 70(Typ)
- VCC - VEE = 9V . . . . . . . . . . . . . . . . . . . . . . . 40(Typ)
• Low Crosstalk Between Switches
• Fast Switching and Propagation Speeds
• “Break-Before-Make” Switching
• Wide Operating Temperature Range . . . -55oC to 125oC
• HC Types
- 2V to 6V Operation, Control; 0V to 10V Switch
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC
at VCC = 5V
• HCT Types
- 4.5V to 5.5V Operation, Control; 0V to 10V Switch
- Direct LSTTL Input Logic Compatibility,
VIL= 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il 1µA at VOL, VOH
Description
The ’HC4351, CD74HCT4351, and CD74HC4352 are
digitally controlled analog switches which utilize silicon-gate
CMOS technology to achieve operating speeds similar to
LSTTL with the low power consumption of standard CMOS
integrated circuits.
These analog multiplexers/demultiplexers are, in essence,
the HC/HCT4015 and HC4052 preceded by address latches
that are controlled by an active low Latch Enable input (LE).
Two Enable inputs, one active low (E1), and the other active
high (E2) are provided allowing enabling with either input
voltage level.
Ordering Information
PART NUMBER
TEMP. RANGE
(oC)
PACKAGE
CD54HC4351F3A
-55 to 125
20 Ld CERDIP
CD74HC4351E
-55 to 125
20 Ld PDIP
CD74HC4351M
-55 to 125
20 Ld SOIC
CD74HC4351M96
-55 to 125
20 Ld SOIC
CD74HCT4351E
-55 to 125
20 Ld PDIP
CD74HC4352E
-55 to 125
20 Ld PDIP
NOTE: When ordering, use the entire part number. The suffix 96
denotes tape and reel.
Pinouts
CD54HC4351
(CERDIP)
CD74HC4351
(PDIP, SOIC)
CD74HCT4351
(PDIP)
TOP VIEW
A4 1
A6 2
NC 3
A COMMON 4
A7 5
A5 6
E1 7
E2 8
VEE 9
GND 10
20 VCC
19 A2
18 A1
17 A0
16 A3
15 S0
14 NC
13 S1
12 S2
11 LE
CD74HC4352
(PDIP)
TOP VIEW
B0 1
B2 2
NC 3
B COMMON 4
B3 5
B1 6
E1 7
E2 8
VEE 9
GND 10
20 VCC
19 A2
18 A1
17 A COMMON
16 A0
15 A3
14 NC
13 S0
12 S1
11 LE
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright © 2003, Texas Instruments Incorporated
1




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CD74HC4352E Datasheet Preview

CD74HC4352E Datasheet

Analog Multiplexers/Demultiplexers

No Preview Available !

CD54HC4351, CD74HC4351, CD74HCT4351, CD74HC4352
Functional Diagram
S0 15
’HC4351, CD74HCT4351
VCC
20
CHANNEL IN/OUT
A7 A6 A5 A4 A3 A2 A1 A0
5 2 6 1 16 19 18 17
TG
TG
S1 13
LATCHES
TG
S2 12
LE 11
LOGIC
LEVEL
CONVERSION
BINARY
TO
1 OF 8
DECODER
WITH
ENABLE
TG
A
4 COMMON
OUT/IN
TG
TG
E1 7
TG
TG
E2 8
10
9
GND
VEE
TRUTH TABLE
’HC4351, CD74HCT4351
INPUT STATES
(NOTE 1)
“ON”
SWITCHES
E1
E2
S2
S1
S0
LE = H
L
H
L
L
L
L
H
L
L
H
L
H
L
H
L
L
H
L
H
H
L
H
H
L
L
L
H
H
L
H
L
H
H
H
L
L
H
H
H
H
H
L
X
X
X
A0
A1
A2
A3
A4
A5
A6
A7
None
H = High Voltage Level, L = Low Voltage Level, X = Don’t Care
NOTE:
1. When LE is low S0-S2 data are latched and switches cannot
change state.
FROM
SELECT
LOGIC
An
IN/OUT
P
VCC
N
N
N
P
VCC
N
VEE
FIGURE 1. DETAIL OF ONE HC/HCT4351 SWITCH
2


Part Number CD74HC4352E
Description Analog Multiplexers/Demultiplexers
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