Philips Semiconductors
Low power GSM/DCS/PCS multi-band transceiver
Objective specification
UAA3535HL
SERIAL TIMING CHARACTERISTICS
Initial parameter values: VCC = 2.6 V ±5%; Tamb = −30 to +70 °C; unless otherwise specified; see Fig.3.
SYMBOL
PARAMETER
MIN. TYP. MAX. UNIT
Serial programming clock: pin CLK
tr
rise time
tf
fall time
Tcy
clock cycle time
Enable programming: pin E
−
10
20
ns
−
10
20
ns
200 −
−
ns
tsu(E)
delay to rising clock edge
th(E)
delay from last falling clock edge
tW(E)
minimum inactive pulse width
tsu(E)
enable set-up time to next clock edge
Register serial input data: pin DATA
200 −
−
ns
100 −
−
ns
4000 −
−
ns
200 −
−
ns
tsu(D)
th(D)
input data to clock set-up time
input data to clock hold time
50
−
−
ns
50
−
−
ns
handbook, full pagewtSidUth;DAT
CLK
DATA
MSB
E
tSTART
tHD;DAT
Tcy
tf
tr
tEND tSU;E
LSB
ADDRESS
MGD565
tW(min)
Fig.3 Timing diagram 3-wire serial bus.
2000 Feb 17
18