SA2030 Datasheet, PDF (10/12 Pages) Sames – PCM FRAME ALIGNER

SA2030
Alarm Port Read / Write Timing
(At V = 5V, T = 25°C)
DD
AMB
Characteristics
Sym Min
Typ Max Unit Test Conditions
Data Setup Time
t_DE 100
-
Write Enable Setup Time t
150
-
WE
Port Enable Write Setup
- ns
- ns
Time
t
150
-
WPE
Data Hold Time
t_ED 100
-
Write Enable Hold Time
t
100
-
EW
Port Enable Hold Time
t
100
-
WEP
Write Duration
t_N 444 896
Read Enable Setup Time t_RE 150
-
Port Enable Read Setup
- ns
- ns
- ns
- ns
- ns at 2,048MHz
- ns
Time
Read Access Time
High Impedance Delay
t_RPE 150
-
- ns
t
-
RA
-
350 ns C =50pF, R =5K
L
L
t_EDZ
-
-
160 ns
Note: 1. R/W and PE are read on rising edges of SCL.
2. Data is latched on failing edges of SCL subject to R/W = 0, and PE = 0 on
previous SCL rising edge.
3. Data is output after rising edge of SCL subject to R/W = 1 and PE = 0.
Alarm Port Write Timing Diagram
10/12
sames