RFM31B Datasheet, PDF (8/63 Pages) List of Unclassifed Manufacturers – ISM RECEIVER

RFM31B
Table 5. Digital IO Specifications (SDO, SDI, SCLK, nSEL, and nIRQ)
Parameter
Symbol
Conditions
Min
Typ
Rise Time
Fall Time
T_RISE 0.1 x V_DD to 0.9 x V_DD, C_L= 5 pF
—
—
T_FALL 0.9 x V_DD to 0.1 x V_DD, C_L= 5 pF
—
—
Input Capacitance
C_IN
—
—
Logic High Level Input Voltage V_IH
Logic Low Level Input Voltage
V_IL
V_DD – 0.6 —
—
Input Current
Logic High Level Output
Voltage
I_IN
V_OH
0<V_IN< V_DD
–100
—
I_OH<1 mA source, V_DD=1.8 V V_DD – 0.6 —
Logic Low Level Output Voltage V_OL
I_OL<1 mA sink, V_DD=1.8 V
—
—
Max Units
8
ns
8
ns
1
pF
—
V
0.6
V
100 nA
—
V
0.6
V
Table 6. GPIO Specifications (GPIO_0, GPIO_1, and GPIO_2)
Parameter
Rise Time
Symbol
T_RISE
Fall Time
T_FALL
Input Capacitance
Logic High Level Input Voltage
Logic Low Level Input Voltage
Input Current
Input Current If Pullup is Activated
Maximum Output Current
Logic High Level Output Voltage
C_IN
V_IH
V_IL
I_IN
I_INP
I_OmaxLL
I_OmaxLH
I_OmaxHL
I_OmaxHH
V_OH
Logic Low Level Output Voltage
V_OL
Conditions
0.1 x V_DD to 0.9 x V_DD,
C_L= 10 pF, DRV<1:0>=HH
0.9 x V_DD to 0.1 x V_DD,
C_L= 10 pF, DRV<1:0>=HH
0<V_IN< V_DD
V_IL=0 V
DRV<1:0>=LL
DRV<1:0>=LH
DRV<1:0>=HL
DRV<1:0>=HH
I_OH< I_Omax source,
V_DD=1.8 V
I_OL< I_Omax sink,
V_DD=1.8 V
Min
Typ
—
—
—
—
—
—
V_DD – 0.6 —
—
—
–100
—
5
—
0.1
0.5
0.9
2.3
1.5
3.1
1.8
3.6
V_DD – 0.6 —
—
—
Max Units
8
ns
8
ns
1
pF
V
0.6
V
100 nA
25
µA
0.8 mA
3.5 mA
4.8 mA
5.4 mA
—
V
0.6
V
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