Datasheet
LM70
www.ti.com
SNIS112G –JUNE 2000–REVISED MARCH 2013
Logic Electrical Characteristics Digital DC Characteristics
Unless otherwise noted, these specifications apply for V
+
= 2.65V to 3.6V for the LM70-3 and V
+
= 4.5V to 5.5V for the LM70-
5. Boldface limits apply for T
A
= T
J
= T
MIN
to T
MAX
; all other limits T
A
= T
J
=+25°C, unless otherwise noted.
Units
Parameter Test Conditions Typical
(1)
Limits
(2)
(Limit)
V
IN(1)
Logical “1” Input Voltage V
+
× 0.7 V (min)
V
+
+ 0.3 V (max)
V
IN(0)
Logical “0” Input Voltage −0.3 V (min)
V
+
× 0.3 V (max)
Input Hysteresis Voltage V
+
= 2.65V to 3.6V 0.8 0.27 V (min)
V
+
= 4.5V to 5.5V 0.8 0.35 V (min)
I
IN(1)
Logical “1” Input Current V
IN
= V
+
0.005 3.0 μA (max)
I
IN(0)
Logical “0” Input Current V
IN
= 0V −0.005 −3.0 μA (min)
C
IN
All Digital Inputs 20 pF
V
OH
High Level Output Voltage I
OH
= −400 μA 2.4 V (min)
V
OL
Low Level Output Voltage I
OL
= +2 mA 0.4 V (max)
I
O_TRI-STATE
TRI-STATE Output Leakage Current V
O
= GND −1 μA (min)
V
O
= V
+
+1 μA (max)
(1) Typicals are at T
A
= 25°C and represent most likely parametric norm.
(2) Limits are guaranteed to AOQL (Average Outgoing Quality Level).
Logic Electrical Characteristics Serial Bus Digital Switching Characteristics
Unless otherwise noted, these specifications apply for V
+
= 2.65V to 3.6V for the LM70-3 and V
+
= 4.5V to 5.5V for the LM70-
5, C
L
(load capacitance) on output lines = 100 pF unless otherwise specified. Boldface limits apply for T
A
= T
J
= T
MIN
to
T
MAX
; all other limits T
A
= T
J
= +25°C, unless otherwise noted.
Units
Parameter Test Conditions Typical
(1)
Limits
(2)
(Limit)
t
1
SC (Clock) Period 0.16 μs (min)
DC (max)
t
2
CS Low to SC (Clock) High Set-Up Time 100 ns (min)
t
3
CS Low to Data Out (SO) Delay 70 ns (max)
t
4
SC (Clock) Low to Data Out (SO) Delay 70 ns (max)
t
5
CS High to Data Out (SO) TRI-STATE 200 ns (min)
t
6
SC (Clock) High to Data In (SI) Hold Time 60 ns (min)
t
7
Data In (SI) Set-Up Time to SC (Clock) High 30 ns (min)
(1) Typicals are at T
A
= 25°C and represent most likely parametric norm.
(2) Limits are guaranteed to AOQL (Average Outgoing Quality Level).
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