74LVC1G66
Bilateral switch
Rev. 8 — 2 December 2011
Product data sheet
1. General description
The 74LVC1G66 provides one single pole, single-throw analog switch function. It has two
input/output terminals (Y and Z) and an active HIGH enable input pin (E). When E is LOW,
the analog switch is turned off.
Schmitt-trigger action at the enable input makes the circuit tolerant of slower input rise and
fall times across the entire V
CC
range from 1.65 V to 5.5 V.
2. Features and benefits
Wide supply voltage range from 1.65 V to 5.5 V
Very low ON resistance:
7.5
(typical) at V
CC
= 2.7 V
6.5
(typical) at V
CC
= 3.3 V
6
(typical) at V
CC
= 5 V
Switch current capability of 32 mA
High noise immunity
CMOS low power consumption
TTL interface compatibility at 3.3 V
Latch-up performance meets requirements of JESD78 Class I
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
Enable input accepts voltages up to 5.5 V
Multiple package options
Specified from
40 C
to +85
C
and
40 C
to +125
C
3. Ordering information
Table 1.
Ordering information
Package
Temperature range Name
74LVC1G66GW
74LVC1G66GV
74LVC1G66GM
40 C
to +125
C
40 C
to +125
C
40 C
to +125
C
TSSOP5
SC-74A
XSON6
Description
plastic thin shrink small outline package; 5 leads;
body width 1.25 mm
plastic surface-mounted package; 5 leads
plastic extremely thin small outline package; no leads;
6 terminals; body 1
1.45
0.5 mm
Version
SOT353-1
SOT753
SOT886
Type number
NXP Semiconductors
74LVC1G66
Bilateral switch
Table 1.
Ordering information
…continued
Package
Temperature range Name
Description
plastic extremely thin small outline package; no leads;
6 terminals; body 1
1
0.5 mm
extremely thin small outline package; no leads;
6 terminals; body 0.9
1.0
0.35 mm
extremely thin small outline package; no leads;
6 terminals; body 1.0
1.0
0.35 mm
Version
SOT891
SOT1115
SOT1202
40 C
to +125
C
40 C
to +125
C
40 C
to +125
C
XSON6
XSON6
XSON6
Type number
74LVC1G66GF
74LVC1G66GN
74LVC1G66GS
4. Marking
Table 2.
Marking
Marking code
[1]
VL
V66
VL
VL
VL
VL
Type number
74LVC1G66GW
74LVC1G66GV
74LVC1G66GM
74LVC1G66GF
74LVC1G66GN
74LVC1G66GS
[1]
The pin 1 indicator is located on the lower left corner of the device, below the marking code.
5. Functional diagram
1
Y
001aag487
E
Z
1
1
X1
mna076
2
4 #
Fig 1.
Logic symbol
Fig 2.
IEC logic symbol
Z
Y
E
V
CC
001aam397
Fig 3.
Logic diagram
74LVC1G66
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 8 — 2 December 2011
2 of 25
NXP Semiconductors
74LVC1G66
Bilateral switch
6. Pinning information
6.1 Pinning
74LVC1G66
74LVC1G66
Y
Z
1
2
5
V
CC
Y
1
6
V
CC
Y
Z
74LVC1G66
1
2
3
6
5
4
V
CC
n.c.
E
Z
2
5
n.c.
GND
GND
3
001aad654
3
4
E
GND
4
E
001aag498
001aag499
Transparent top view
Transparent top view
Fig 4.
Pin configuration
SOT353-1 and SOT753
Fig 5.
Pin configuration SOT886
Fig 6.
Pin configuration SOT891
and SOT1115 and SOT1202
6.2 Pin description
Table 3.
Symbol
Y
Z
GND
E
n.c.
V
CC
Pin description
Pin
SOT353-1, SOT753 SOT886, SOT891, SOT1115 and SOT1202
1
2
3
4
-
5
1
2
3
4
5
6
independent input or output
independent output or input
ground (0 V)
enable input (active HIGH)
not connected
supply voltage
Description
7. Functional description
Table 4.
Input E
L
H
[1]
H = HIGH voltage level; L = LOW voltage level
Function table
[1]
Switch
OFF-state
ON-state
74LVC1G66
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 8 — 2 December 2011
3 of 25
NXP Semiconductors
74LVC1G66
Bilateral switch
8. Limiting values
Table 5.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
V
CC
V
I
I
IK
I
SK
V
SW
I
SW
I
CC
I
GND
T
stg
P
tot
[1]
[2]
[3]
Parameter
supply voltage
input voltage
input clamping current
switch clamping current
switch voltage
switch current
supply current
ground current
storage temperature
total power dissipation
Conditions
[1]
Min
0.5
0.5
50
-
[2]
Max
+6.5
+6.5
-
50
V
CC
+ 0.5
50
100
-
+150
250
Unit
V
V
mA
mA
V
mA
mA
mA
C
mW
V
I
<
0.5
V or V
I
> V
CC
+ 0.5 V
V
I
<
0.5
V or V
I
> V
CC
+ 0.5 V
enable and disable mode
V
SW
>
0.5
V or V
SW
< V
CC
+ 0.5 V
0.5
-
-
100
65
T
amb
=
40
C to +125
C
[3]
-
The minimum input voltage rating may be exceeded if the input current rating is observed.
The minimum and maximum switch voltage ratings may be exceeded if the switch clamping current rating is observed.
For TSSOP5 and SC-74A packages: above 87.5
C
the value of P
tot
derates linearly with 4.0 mW/K.
For XSON6 packages: above 118
C
the value of P
tot
derates linearly with 7.8 mW/K.
9. Recommended operating conditions
Table 6.
Symbol
V
CC
V
I
V
SW
T
amb
t/V
Recommended operating conditions
Parameter
supply voltage
input voltage
switch voltage
ambient temperature
input transition rise and
fall rate
V
CC
= 1.65 V to 2.7 V
V
CC
= 2.7 V to 5.5 V
[2]
[2]
[1]
Conditions
Min
1.65
0
0
40
-
-
Typ
-
-
-
-
-
-
Max
5.5
5.5
V
CC
+125
20
10
Unit
V
V
V
C
ns/V
ns/V
[1]
To avoid sinking GND current from terminal Z when switch current flows in terminal Y, the voltage drop across the bidirectional switch
must not exceed 0.4 V. If the switch current flows into terminal Z, no GND current will flow from terminal Y. In this case, there is no limit
for the voltage drop across the switch.
Applies to control signal levels.
[2]
74LVC1G66
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 8 — 2 December 2011
4 of 25
NXP Semiconductors
74LVC1G66
Bilateral switch
10. Static characteristics
Table 7.
Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
V
IH
HIGH-level
input voltage
Conditions
V
CC
= 1.65 V to 1.95 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 2.7 V to 3.6 V
V
CC
= 4.5 V to 5.5 V
V
IL
LOW-level
input voltage
V
CC
= 1.65 V to 1.95 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 2.7 V to 3.6 V
V
CC
= 4.5 V to 5.5 V
I
I
I
S(OFF)
input leakage pin E; V
I
= 5.5 V or GND;
current
V
CC
= 0 V to 5.5 V
OFF-state
leakage
current
ON-state
leakage
current
supply
current
additional
supply
current
input
capacitance
OFF-state
capacitance
ON-state
capacitance
V
CC
= 5.5 V; see
Figure 7
[2]
40 C
to +85
C
Min
0.65V
CC
1.7
2.0
0.7V
CC
-
-
-
-
-
-
Typ
[1]
-
-
-
-
-
-
-
-
0.1
0.1
Max
-
-
-
-
0.35V
CC
0.7
0.8
0.3V
CC
5
5
40 C
to +125
C
Unit
Min
0.65V
CC
1.7
2.0
0.7V
CC
-
-
-
-
-
-
Max
-
-
-
-
0.7
0.8
100
200
V
V
V
V
V
V
A
A
0.35V
CC
V
0.3V
CC
V
[2]
I
S(ON)
V
CC
= 5.5 V; see
Figure 8
[2]
-
0.1
5
-
200
A
I
CC
V
I
= 5.5 V or GND;
V
SW
= GND or V
CC
;
V
CC
= 1.65 V to 5.5 V
pin E; V
I
= V
CC
0.6 V;
V
SW
= GND or V
CC
; V
CC
= 5.5 V
[2]
-
0.1
10
-
200
A
I
CC
[2]
-
5
500
-
5000
A
C
I
C
S(OFF)
C
S(ON)
-
-
-
2.0
6.5
11
-
-
-
-
-
-
-
-
-
pF
pF
pF
[1]
[2]
All typical values are measured at T
amb
= 25
C.
These typical values are measured at V
CC
= 3.3 V.
74LVC1G66
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 8 — 2 December 2011
5 of 25
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