NC7WP240 TinyLogic ULP Dual Inverting Buffer with 3-STATE Outputs
June 2003
Revised January 2005
NC7WP240
TinyLogic
ULP Dual Inverting Buffer
with 3-STATE Outputs
General Description
The NC7WP240 is a Dual Inverting Buffer with indepen-
dent active LOW enables for the 3-STATE outputs. The
Ultra High Power device is ideal for applications where bat-
tery life is critical. This product is designed for ultra low
power consumption within the V
CC
operating range of 0.9V
to 3.6V V
CC
.
The internal circuit is composed of a minimum of inverter
stages, including the output buffer, to enable ultra low static
and dynamic power.
The NC7WP240 for lower drive requirements, is uniquely
designed for optimized power and speed, and is fabricated
with an advanced CMOS technology to achieve best in
class speed operation while maintaining extremely low
CMOS power dissipation.
Features
s
Space saving US8 surface mount package
s
MicroPak
Pb-Free leadless package
s
0.9V to 3.6V V
CC
supply operation
s
3.6V overvoltage tolerant I/O’s at V
CC
from 0.9V to 3.6V
s
t
PD
3.0 ns typ for 3.6V V
CC
4.0 ns typ for 2.3V to 2.7V V
CC
5.0 ns typ for 1.65V to 1.95V V
CC
6.0 ns typ for 1.40V to 1.60V V
CC
10.0 ns typ for 1.10V to 1.30V V
CC
26.0 ns typ for 0.90V V
CC
s
Power-Off high impedance inputs and outputs
s
Static Drive (I
OH
/I
OL
)
±
2.6 mA @ 3.00V V
CC
±
2.1 mA @ 2.30V V
CC
±
1.5 mA @ 1.65V V
CC
±
1.0 mA @ 1.40V V
CC
±
0.5 mA @ 1.10V V
CC
±
20
µ
A @ 0.9V V
CC
s
Uses patented Quiet Series
noise/EMI reduction
circuitry
s
Ultra low dynamic power
Ordering Code:
Product
Order
Number
NC7WP240K8X
NC7WP240L8X
Package
Number
MAB08A
MAC08A
Code
Top Mark
WP40
Z3
8-Lead US8, JEDEC MO-187, Variation CA 3.1mm Wide 3k Units on Tape and Reel
Pb-Free 8-Lead MicroPak, 1.6 mm Wide
5k Units on Tape and Reel
Package Description
Supplied As
Pb-Free package per JEDEC J-STD-020B.
Battery Life vs. V
CC
Supply Voltage
TinyLogic ULP and ULP-A with up to 50% less power consumption can
extend your battery life significantly.
Battery Life
=
(V
battery
*I
battery
*.9)/(P
device
)/24hrs/day
Where, P
device
=
(I
CC
* V
CC
)
+
(C
PD
+
C
L
) * V
CC2
* f
Assumes ideal 3.6V Lithium Ion battery with current rating of 900mAH and
derated 90% and device frequency at 10MHz, with C
L
=
15 pF load
TinyLogic is a registered trademark of Fairchild Semiconductor Corporation.
MicroPak and Quiet Series are trademarks of Fairchild Semiconductor Corporation.
© 2005 Fairchild Semiconductor Corporation
DS500818
www.fairchildsemi.com
NC7WP240
Logic Symbol
IEEE/IEC
Connection Diagrams
Pin Assignments for US8
Pin Descriptions
Pin Names
OE
n
A
n
Y
n
Description
Enable Inputs for 3-STATE Outputs
Inputs
3-STATE Outputs
(Top View)
Pin One Orientation Diagram
Function Table
Inputs
OE
L
L
H
H
H
=
HIGH Logic Level
L
=
LOW Logic Level
Z
=
3-STATE
Output
A
n
L
H
L
H
Y
n
H
L
Z
Z
AAA represents Product Code Top Mark - see ordering code
Note:
Orientation of Top Mark determines Pin One location. Read the top
product code mark left to right, Pin One is the lower left pin (see diagram).
Pad Assignment for MicroPak
(Top Thru View)
www.fairchildsemi.com
2
NC7WP240
Absolute Maximum Ratings
(Note 1)
Supply Voltage (V
CC
)
DC Input Voltage (V
IN
)
DC Output Voltage (V
OUT
)
HIGH or LOW State (Note 2)
V
CC
=
0V
DC Input Diode Current (I
IK
) V
IN
<
0V
DC Output Diode Current (I
OK
)
V
OUT
<
0V
V
OUT
>
V
CC
DC Output Source/Sink Current (I
OH
/I
OL
)
DC V
CC
/Ground Current per
Supply Pin (I
CC
or Ground)
Storage Temperature Range (T
STG
)
−
0.5V to
+
4.6V
−
0.5V to
+
4.6V
−
0.5V to V
CC
+
0.5V
−
0.5V to
+
4.6V
±
50 mA
−
50 mA
+
50 mA
±
50 mA
±
50 mA
−
65
°
C to
+
150
°
C
Recommended Operating
Conditions
(Note 3)
Supply Voltage
Input Voltage (V
IN
)
Output Voltage (V
OUT
)
HIGH or LOW State
V
CC
=
0V
Output Current in I
OH
/I
OL
V
CC
=
3.0V to 3.6V
V
CC
=
2.3V to 2.7V
V
CC
=
1.65V to 1.95V
V
CC
=
1.40V to 1.60V
V
CC
=
1.10V to 1.30V
V
CC
=
0.9V
Free Air Operating Temperature (T
A
)
Minimum Input Edge Rate (
∆
t/
∆
V)
V
IN
=
0.8V to 2.0V, V
CC
=
3.0V
10 ns/V
Note 1:
Absolute Maximum Ratings: are those values beyond which the
safety of the device cannot be guaranteed. The device should not be oper-
ated at these limits. The parametric values defined in the Electrical Charac-
teristics tables are not guaranteed at the absolute maximum ratings. The
“Recommended Operating Conditions” table will define the conditions for
actual device operation.
Note 2:
I
O
Absolute Maximum Rating must be observed.
Note 3:
Unused inputs must be held HIGH or LOW. They may not float.
0.9V to 3.6V
0V to 3.6V
0V to V
CC
0V to 3.6V
±
2.6 mA
±
2.1 mA
±
1.5 mA
±
1.0 mA
±
0.5 mA
±
20
µ
A
−
40
°
C to
+
85
°
C
DC Electrical Characteristics
Symbol
V
IH
Parameter
HIGH Level
Input Voltage
V
CC
(V)
0.90
T
A
= +25°C
Min
0.65 x V
CC
Max
T
A
= −40°C
to
+85°C
Min
0.65 x V
CC
0.65 x V
CC
0.65 x V
CC
0.65 x V
CC
1.6
2.1
0.35 x V
CC
0.35 x V
CC
0.35 x V
CC
0.35 x V
CC
0.7
0.9
V
CC
- 0.1
V
CC
- 0.1
V
CC
- 0.1
V
CC
- 0.1
V
CC
- 0.1
V
CC
- 0.1
1.70
1.24
1.95
2.61
V
CC
- 0.1
V
CC
- 0.1
V
CC
- 0.1
V
CC
- 0.1
V
CC
- 0.1
V
CC
- 0.1
0.70 x V
CC
0.99
1.22
1.87
2.55
V
I
OH
= −0.5
mA
I
OH
= −1.0
mA
I
OH
= −1.5
mA
I
OH
= −2.1
mA
I
OH
= −2.6
mA
I
OH
= −20 µA
0.35 x V
CC
0.35 x V
CC
0.35 x V
CC
0.35 x V
CC
0.7
0.9
V
V
Max
Units
Conditions
1.10
≤
V
CC
≤
1.30 0.65 x V
CC
1.40
≤
V
CC
≤
1.60 0.65 x V
CC
1.65
≤
V
CC
≤
1.95 0.65 x V
CC
2.30
≤
V
CC
≤
2.70
3.00
≤
V
CC
≤
3.60
1.6
2.1
V
IL
LOW Level
Input Voltage
0.90
1.10
≤
V
CC
≤
1.30
1.40
≤
V
CC
≤
1.60
1.65
≤
V
CC
≤
1.95
2.30
≤
V
CC
≤
2.70
3.00
≤
V
CC
≤
3.60
V
OH
HIGH Level
Output Voltage
0.90
1.10
≤
V
CC
≤
1.30
1.40
≤
V
CC
≤
1.60
1.65
≤
V
CC
≤
1.95
2.30
≤
V
CC
≤
2.70
3.00
≤
V
CC
≤
3.60
1.40
≤
V
CC
≤
1.60
1.65
≤
V
CC
≤
1.95
2.30
≤
V
CC
≤
2.70
3.00
≤
V
CC
≤
3.60
1.10
≤
V
CC
≤
1.30 0.75 x V
CC
3
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