Datasheet

LTC2753
5
2753f
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
t
17
UPD Valid to I/O Propagation Delay C
L
= 10pF
●
26 ns
t
18
D/S Valid to READ Rising Edge (Note 10)
●
7ns
t
19
READ Rising Edge to UPD Rising Edge No Update
●
0ns
t
20
UPD Falling Edge to READ Falling Edge No Update
●
0ns
t
22
READ Falling Edge to UPD Rising Edge (Note 10)
●
7ns
t
23
I/O Bus Hi-Z to READ Rising Edge (Note 10)
●
0ns
t
24
READ Falling Edge to I/O Bus Active (Note 10)
●
20 ns
CLR Timing
t
25
CLR Pulse Width Low
●
15 ns
V
DD
= 2.7V to 3.3V
Write and Update Timing
t
1
I/O Valid to WR Rising Edge Set-Up
●
15 ns
t
2
I/O Valid to WR Rising Edge Hold
●
15 ns
t
3
WR Pulse Width Low
●
30 ns
t
4
UPD Pulse Width High
●
30 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
●
7ns
t
10
WR Rising Edge to A1-A0 Valid Hold Time
●
0ns
t
11
A1-A0 Valid to UPD Rising Edge Setup Time
●
15 ns
t
12
UPD Falling Edge to A1-A0 Valid Hold Time
●
15 ns
Readback Timing
t
13
WR Rising Edge to Read Rising Edge
●
10 ns
t
14
Read Falling Edge to WR Falling Edge (Note 10)
●
35 ns
t
15
Read Rising Edge to I/O Propagation Delay C
L
= 10pF
●
53 ns
t
26
A1-A0 Valid to READ Rising Edge Setup Time
●
35 ns
t
27
READ Falling to A1-A0 Valid Hold Time (Note 10)
●
0ns
t
17
UPD Valid to I/O Propagation Delay C
L
= 10pF
●
43 ns
t
18
D/S Valid to Read Rising Edge (Note 10)
●
12 ns
t
19
Read Rising Edge to UPD Rising Edge No Update
●
0ns
t
20
UPD Falling Edge to Read Falling Edge No Update
●
0ns
TIMING CHARACTERISTICS
The ● denotes specifi cations that apply over the full operating temperature range,
otherwise specifi cations are at T
A
= 25°C.