tda5251f1 Infineon Technologies Corporation, tda5251f1 Datasheet - Page 80

• Manufacturer Part Number: tda5251f1
• Description: Ask/fsk 315mhz Wireless Transceiver
• Manufacturer: Infineon Technologies Corporation

Confidential
Table 4-5
1: limited by transmission channel bandwidth and depending on transmit power level; ETSI regulation EN 300 220
2: C
Preliminary Specification
14 LOW period of BusCLK clock
15
16 Setup time for a repeated
17
18
19
20
21 Capacitive load for each bus
22 Setup time for BusCLK to EN t
23
#
fullfilled, see Section 3.1
b
= capacitance of one bus line
HIGH period of BusCLK
BusData and BusCLK
Rise, fall time of both
Setup time for STOP
H-pulsewidth (EN)
START condition
Data setup time
Data hold time
Parameter
condition
Digital Characteristics with T
signals
clock
line
Symbol
t
t
t
t
SU.SCLE
HD.DAT
SU.STO
t
SU.STA
SU.DAT
t
t
WHEN
t
HIGH
LOW
R
C
N
, t
b
F
0.1C
min
100
20+
1.3
0.6
0.6
0.6
0.6
0.6
Limit Values
0
A
b
= 25 °C , V
80
typ max
300
400
Vdd
= 2.1 ... 5.5 V
Unit
pF
µs
µs
µs
ns
ns
ns
µs
µs
µs
only 3-wire mode
Test Conditions
only I
only I
V
V
V
V
V
V
V
V
V
dd
dd
dd
dd
dd
dd
dd
dd
dd
2
2
C mode
C mode
=5V
=5V
=5V
=5V
=5V
=5V
=5V
=5V
=5V
TDA5251 F1
Version 1.0
Reference
2003-02-18
L Item
X
X
X
X
X
X
X
X
X
X
2