LTC2755 Linear Technology, LTC2755 Datasheet - Page 5

• Manufacturer Part Number: LTC2755
• Description: Quad Current Output 12-/14-/16-Bit SoftSpan DACs
• Manufacturer: Linear Technology

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TIMING CHARACTERISTICS
SYMBOL
t
t
t
t
t
t
t
CLR Timing
t
V
Write and Update Timing
t
t
t
t
t
t
t
t
t
t
t
t
Readback Timing
t
t
t
t
t
t
t
t
t
otherwise specifi cations are at T
17
18
19
20
22
23
24
25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
26
27
17
18
19
20
DD
= 2.7V to 3.3V
PARAMETER
UPD Valid to I/O Propagation Delay
D/S Valid to READ Rising Edge
READ Rising Edge to UPD Rising Edge
UPD Falling Edge to READ Falling Edge
READ Falling Edge to UPD Rising Edge
I/O Bus Hi-Z to READ Rising Edge
READ Falling Edge to I/O Bus Active
CLR Pulse Width Low
I/O Valid to WR Rising Edge Set-Up
I/O Valid to WR Rising Edge Hold
WR Pulse Width Low
UPD Pulse Width High
UPD Falling Edge to WR Falling Edge
WR Rising Edge to UPD Rising Edge
D/S Valid to WR Falling Edge Set-Up Time
WR Rising Edge to D/S Valid Hold Time
A2-A0 Valid to WR Falling Edge Setup Time
WR Rising Edge to A2-A0 Valid Hold Time
A2-A0 Valid to UPD Rising Edge Setup Time
UPD Falling Edge to A2-A0 Valid Hold Time
WR Rising Edge to Read Rising Edge
Read Falling Edge to WR Falling Edge
Read Rising Edge to I/O Propagation Delay
A2-A0 Valid to READ Rising Edge Setup Time
READ Falling to A2-A0 Valid Hold Time
UPD Valid to I/O Propagation Delay
D/S Valid to Read Rising Edge
Read Rising Edge to UPD Rising Edge
UPD Falling Edge to Read Falling Edge
A
= 25°C.
The
CONDITIONS
C
(Note 11)
No Update
No Update
(Note 11)
(Note 11)
(Note 11)
No Data Shoot-Through
(Note 11)
(Note 11)
C
(Note 11)
C
(Note 11)
No Update
No Update
●
L
L
L
= 10pF
= 10pF
= 10pF
denotes specifi cations that apply over the full operating temperature range,
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
MIN
20
15
15
15
30
30
15
15
10
35
35
12
7
0
0
7
0
0
0
7
7
7
0
0
0
0
TYP
LTC2755
MAX
26
55
45
UNITS
5
2755f
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns