TDA5251F1 Datasheet, PDF (80/88 Pages) Infineon Technologies AG – ASK/FSK 315MHz Wireless Transceiver

Confidential
TDA5251 F1
Version 1.0
Reference
Table 4-5 Digital Characteristics with T_A = 25 °C, V_Vdd = 2.1 ... 5.5 V
#
Parameter
Symbol Limit Values Unit Test Conditions
min typ max
14 LOW period of BusCLK clock t_LOW 1.3
15 HIGH period of BusCLK t_HIGH 0.6
clock
16 Setup time for a repeated t_SU.STA 0.6
START condition
µs
V_dd=5V
µs
V_dd=5V
µs
only I²C mode
17
Data hold time
18
Data setup time
19 Rise, fall time of both
BusData and BusCLK
signals
t_HD.DAT 0
t_SU.DAT 100
t_R, t_F 20+
0.1C_b
20 Setup time for STOP
condition
t_SU.STO 0.6
21 Capacitive load for each bus C_b
line
ns
ns
300 ns
V_dd=5V
V_dd=5V
V_dd=5V
µs
400 pF
only I²C mode
V_dd=5V
V_dd=5V
22 Setup time for BusCLK to EN t_SU.SCLE 0.6
23 H-pulsewidth (EN)
N
t_WHEN 0.6
µs only 3-wire mode
V_dd=5V
µs
V_dd=5V
L Item
X
X
X
X
X
X2
X
X
X
X
1: limited by transmission channel bandwidth and depending on transmit power level; ETSI regulation EN 300 220
fullfilled, see Section 3.1
2: C_b= capacitance of one bus line
Preliminary Specification
80
2003-02-18