Rainbow Electronics AT86RF211 - Manual (Page 42)

42
AT86RF211
1942C–WIRE–06/02
Digital CMOS DC
Characteristics Unless otherwise specified, data is given for T = 25°C, V
SUPPLY
= 2.7V
Note: 1. For digital CMOS pins : SDATA, DATAMSG, DATACLK, WAKEUP.
2. For digital CMOS pins: SLE, SCK, SDATA
3. For digital CMOS pins: DATAMSG
Note: These timings refer to the Figure 33 on page 25.
Name Parameter Conditions Min Typ Max Units
Vil CMOS low level input voltage
- Normal input (2)
- Schmitt trigger input (3)
0.3*Vcc
0.2*Vcc
V
V
Vih CMOS high level input voltage
- Normal input (2)
- Schmitt trigger input (3)
0.7*Vcc
0.85*Vcc
V
V
Vol CMOS low level output voltage (1) Iol = 1 mA 0.2*Vcc V
Voh CMOS high level output voltage (1) Ioh = - 1 mA 0.8*Vcc V
• Timings
Name Parameter Conditions Min Typ Max Units
tr = tf CMOS rise/fall times C
L
= 50 pF ; 20% to 80% 30 ns
F SCK frequency 0 5 MHz
T SCK period 200 ns
tw SCK low or high time 60 ns
tsd SDATA setup before SCK rising 40 ns
thd SDATA hold after SCK rising 40 ns
tpd SDATA output propagation delay after SCK falling
(read mode) (C
L
= 30 pF)
2 50 ns
tpzon Delay to switch SDATA to output after SCK falling
(read mode) 3 50 ns
tdle Minimum delay between an edge of SLE and an
edge of SCK 40 ns
tpzd Delay to switch SDATA to input (tri-state) after SLE
rising (read mode) 40 ns
C
L
(1) Max load for CMOS output pins 50 pF