TDA7502 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TDA7502 Datasheet PDF : 25 Pages
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TDA7502
Electrical specifications
Table 7. Oscillator characteristics
Symbol
Parameter
Fosc Max oscillator frequency (XTI)
Test condition
@ 3.3V and Tj = 125°C
Min.
8
Typ.
Max.
12.5
Unit
MHz
Table 8.
Symbol
General interface electrical characteristics
Parameter
Test Condition
Min. Typ. Max. Unit
lil
Low level input current without
pullup device
Vi = 0V (1)
1
μA
lih
High level input current without
pullup device
Vi = Vdd (1)
1
μA
Ioz
IozFT
Tri-state output leakage without
pull up/down device
5V tolerant tri-state output
leakage without pull up/down
device
Vo = 0V or Vdd (1)
Vo = 0V or Vdd (1)
Vo = 5.5V
1
μA
1
μA
1
3
μA
Ilatchup I/O latch-up current
V < 0V, V > Vdd
200
mA
Vesd Electrostatic protection
Leakage , 1μA (2)
1500
V
1. The leakage currents are generally very small, <1nA. The value given here, 1mA, ia amaximum that can occur after an
electrostatic stress on the pin.
2. Human body model.
Table 9. Low voltage TTL interface DC electrical characteristics
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
Vil Low level input voltage
(1)
Vih High level input voltage
(1)
Vilhyst Low level threshold input falling (1)
Vihhyst Low level threshold input falling (1)
Vhyst Schmitt trigger hysteresis
(1)
0.8
V
2
V
0.9
1.35
V
1.3
1.9
V
0.4
0.7
V
Vol Low level output voltage
Voh High level output voltage
Iol = XmA (1) (2) (3)
0.4
V
2.4
V
1. TTL specifications only apply to the supply voltage range Vdd = 3.0V to 3.6V.
2. Takes into account 200mV voltage drop in both supply lines.
3. X is the source/sink current under worst case conditions and is reflected in the name of the I/O cell according to the drive
capability.
Table 10. DSP core
Symbol
Parameter
Test condition
Fdsp Maximum DSP clock frequency @3.15V and Tj = 125°C
Min.
50
Typ.
Max.
Unit
MHz
9/25
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