STLC2500A Datasheet, PDF (7/37 Pages) STMicroelectronics – Bluetooth Single Chip

STLC2500A
2.3
I/O specifications
The I/Os comply with the EIA/JEDEC standard JESD8-B.
Electrical characteristics
Note:
2.4
Table 3. DC input specification (all digital I/Os except system clock)
Symbol
Parameter
Min.
Typ.
Max.
Unit
V_IL
Low Level input voltage
0.35 *
VDD_IO_x
V
V_IH
V_hyst
Table 4.
High Level input voltage
Schmitt trigger hysteresis
DC output specification
0.65 *
VDD_IO_x
V
0.4
0.5
0.6
V
Symbol
Parameter
Min.
Typ.
Max.
Unit
V_OL
Low Level output voltage
V_OH
High Level output voltage
I_d = X mA
0.15
V
I_d = X mA
VDD_IO_x
- 0.15
X is the source/sink current under worst-case conditions according to the drive capabilities
(see Chapter 6)
Clock specifications
The STLC2500A supports, on the same input pin, the system clock both as a sine wave
clock and as a digital clock (see Table 14 for selection). The system clock section is powered
by VDD_CLD (G08 and H09). The voltage range for VDD_CLD is the same as for
VDD_IO_A.
Table 5. System clock supported frequencies
Symbol
Parameter
Values
F_IN
Clock input frequency list
13, 26, 19.2, 38.4
Table 6. System clock overall specifications
Symbol
Parameter
Min.
Typ.
F_INTOL
Tolerance on input frequency
-20
Unit
MHz
Max.
Unit
20
ppm
7/37