TDC-GPX acam messelectronic gmbh, TDC-GPX Datasheet - Page 7

• Manufacturer Part Number: TDC-GPX
• Description: Precision Time Interval Measurement
• Manufacturer: acam messelectronic gmbh

1.3.1 Bus Timings
Write operations
Read Operations
(Vddo = Vddc = 3.3 V, Ta = +25°C)
It is not
allowed to
read from
an empty
FIFO !
t
Spec
t
t
t
t
t
t
t
P W - RL
P W - RH
t
S - CS N
H- CS N
H- A D
H- DR
S - A D
V- DR
S - EF
acam-messelectronic gmbh - Am Hasenbiel 27 - D-76297 Stutensee-Blankenloch - Germany - www.acam.de
DATA
WRN
DATA
ADR
CSN
ADR
RDN
CSN
EF
Chip Select Setup Time
t
t
Spec
Chip Select Hold Time
t
t
t
Read Data Valid Time
t
Read Data Hold Time
t
t
PW-WL
PW-WH
Address Setup Time
Empty Flag Set Time
S - CS N
H- CS N
S - DW
H- DW
S - A D
H- A D
Address Hold Time
Read HIGH Time
Read LOW Time
Description
High-Z
t
t
t
t
S-AD
S-CSN
S-AD
S-CSN
t
V-DR
t
S-DW
valid
valid
Write Data Setup Time
Chip Select Setup Time
Write Data Hold Time
Chip Select Hold Time
Address Setup Time
Address Hold Time
valid
valid
Write HIGH Time
Write LOW Time
Description
t
t
t
H-CSN
t
H-CSN
H-AD
H-AD
Min (ns)
t
t
H-DW
H-DR
7
2
0
6
6
5
4
0
0
-
t
t
PW-WH
PW-RH
High-Z
Max (ns)
11.8*
8.5**
11.8*
-
-
-
-
-
-
t
t
valid
PW-WL
valid
PW-RL
valid
Min (ns)
valid
Last data
2
0
6
6
5
4
0
0
t
S-EF
* @ 87ps res. & 40pF load.
This value depends on the
capacitive load and has to be
confirmed by evaluation. This
value also depends on the
adjusted resolution (e.g)
** Can be prolonged infinitely
with OEN = 0 (driving the bus
permanently) and stable ad-
dress.
Max (ns)
Figure 2
Figure 1
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TDC-GPX