Datasheet

LTC2753
4
2753f
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Power Supply
V
DD
Supply Voltage
2.7 5.5 V
I
DD
Supply Current, V
DD
Digital Inputs = 0V or V
DD
0.5 1 A
Digital Inputs
V
IH
Digital Input High Voltage 3.3V ≤ V
DD
≤ 5.5V
2.7V ≤ V
DD
< 3.3V
2.4
2
V
V
V
IL
Digital Input Low Voltage 4.5V < V
DD
≤ 5.5V
2.7V ≤ V
DD
≤ 4.5V
0.8
0.6
V
V
I
IN
Digital Input Current V
IN
= GND to V
DD
±1 µA
C
IN
Digital Input Capacitance V
IN
= 0V (Note 10)
6pF
Digital Outputs
V
OH
I
OH
= 200µA
V
DD
– 0.4 V
V
OL
I
OL
= 200µA
0.4 V
TIMING CHARACTERISTICS
The denotes specifi cations that apply over the full operating temperature range,
otherwise specifi cations are at T
A
= 25°C.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
DD
= 4.5V to 5.5V
Write and Update Timing
t
1
I/O Valid to WR Rising Edge Set-Up
7ns
t
2
I/O Valid to WR Rising Edge Hold
7ns
t
3
WR Pulse Width Low
15 ns
t
4
UPD Pulse Width High
15 ns
t
5
UPD Falling Edge to WR Falling Edge No Data Shoot-Through
0ns
t
6
WR Rising Edge to UPD Rising Edge (Note 10)
0ns
t
7
D/S Valid to WR Falling Edge Set-Up Time
7ns
t
8
WR Rising Edge to D/S Valid Hold Time
7ns
t
9
A1-A0 Valid to WR Falling Edge Setup Time
5ns
t
10
WR Rising Edge to A1-A0 Valid Hold Time
0ns
t
11
A1-A0 Valid to UPD Rising Edge Setup Time
9ns
t
12
UPD Falling Edge to A1-A0 Valid Hold Time
7ns
Readback Timing
t
13
WR Rising Edge to READ Rising Edge
7ns
t
14
READ Falling Edge to WR Falling Edge (Note 10)
20 ns
t
15
READ Rising Edge to I/O Propagation Delay C
L
= 10pF
40 ns
t
26
A1-A0 Valid to READ Rising Edge Setup Time
20 ns
t
27
READ Falling to A1-A0 Valid Hold Time (Note 10)
0ns
ELECTRICAL CHARACTERISTICS
V
DD
= 5V, V
REF
= 5V unless otherwise specifi ed. The denotes the
specifi cations which apply over the full operating temperature range, otherwise specifi cations are at T
A
= 25°C.