SAA7240 查看數據表（PDF） - Philips Electronics
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SAA7240 Datasheet PDF : 32 Pages
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Philips Semiconductors
MPEG-2 Transport RISC processor
Product specification
SAA7240
Table 3 Theoretical package maximum power dissipation
THERMAL COEFFICIENT
(Rth(j-a))
35 °C/W
32 °C/W
28 °C/W
24 °C/W
Ptot(max) at Tamb = 70 °C
1.57 W
1.72 W
1.96 W
2.29 W
Ptot at Tamb = 50 °C
2.14 W
2.34 W
2.67 W
3.26 W
Ptot at Tamb = 25 °C
2.85 W
3.12 W
3.57 W
4.34 W
9 DC CHARACTERISTICS
VDDP = 3.0 to 3.6 V; VDDC = 2.25 to 2.75 V; VDDA = 2.25 to 2.75 V; VSS = 0 V; Tamb = 0 to 70 °C; all voltages with
respect to VSS; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
VDDP
VDDC
VDDA
supply voltage for the I/O buffers
supply voltage for the core
analog supply voltage for PLL and
oscillator
3.0
2.25
2.25
IDDP
supply current for the interface I/O VDDP = 3.3 V
−
pads
IDDC
core supply current
VDDC = 2.5 V
−
IDDA
analog supply current
VDDA = 2.5 V; fclk = 13.5 MHz
−
IDDC(sleep) core supply current in Sleep mode values are measured at VDD(max); −
IDDC(coma) core supply current in Coma mode fclk = 13.5 MHz
−
Inputs
VIL
LOW-level input voltage
−
VIH
HIGH-level input voltage (except
2.0
XTAL1)
VIH(XTAL1) HIGH-level input voltage (XTAL1)
2.0
IIL
input leakage current
VDD = 3.3 V; VSS < Vi < VDD
−10
IIZ
3-state input current
Vi = 2.4 or 0.4 V
−10
IIZ(off)
3-state (off-state) input current;
VDD = Vi = 3.6 V
−10
SDA, SCL and SC_I/O
3.3 3.6
V
2.5 2.75
V
2.5 2.75
V
30(1) −
mA
220(2) −
mA
2(2) −
mA
(2)
−
mA
(2)
−
mA
−
0.8
V
−
VDDP + 0.5 V
−
2.5
V
+1 +10
mA
+1 +10
mA
+1 +10
mA
Outputs
VOH
VOL
Ci
HIGH-level output voltage
LOW-level output voltage
input capacitance
output drive current = IOH(max)
2.4 −
−
V
output sink current = IOL(min)
−
−
0.4
V
−
−
10
pF
Notes
1. Typical current measured on a test board running a set-top box-like application (bitstream decoding and a few
on-chip peripherals activated).
2. The typical current in Sleep and Coma modes is given in Table 4.
2001 Oct 22
20
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