SAA5700GP 查看數據表（PDF） - Philips Electronics
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SAA5700GP Datasheet PDF : 24 Pages
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Philips Semiconductors
Chinese Character System Teletext
(CCST) decoder
Preliminary specification
SAA5700
SYMBOL
PARAMETER
IREF
RIREF
VIREF
resistor to VSSA
voltage on IREF pin
RESET
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
ILI
input leakage current
LFB (HSYNC)
VIL
VIH
Vhys
ILI
II(max)
tW(LFB)
ti(r)
ti(f)
LOW-level input voltage
HIGH-level input voltage
input hysteresis voltage
input leakage current
maximum input current
LFB input pulse width
input rise time
input fall time
FFB (VSYNC)
VIL
VIH
ILI
II(max)
tW(FFB)
LOW-level input voltage
HIGH-level input voltage
input leakage current
maximum input current
FFB input pulse width
ti(r)
input rise time
ti(f)
input fall time
Input/outputs
REF+
CREF+
VREF+
decoupling capacitor to VSSA
DC voltage on REF+
OSCIN AND OSCOUT
Vosc(p-p)
oscillation amplitude
(peak-to-peak value)
Ci
fosc
∆fosc
input capacitance
oscillator frequency
oscillator frequency tolerance
BLACK
CBLACK
VBLACK
storage capacitor to VSSA
black level for nominal sync
amplitude
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VDD = 5 V
VI = 0 to VDD
VI = 0 to VDD
note 1
VI = 0 to VDD
−
10
−
kΩ
−
2.3
−
V
−0.3
−
2.0
−
−10
−
+0.8
V
VDD + 0.5 V
+10
µA
−0.3
−
2.4
−
−
0.7
−10
−
−1
−
200
−
−
−
−
−
+0.6
V
VDD + 0.5 V
−
V
+10
mA
+1
µA
−
ns
100
ns
100
ns
−0.3
0.7VDD
−10
−1
1
−
−
0.3VDD
−
VDD + 0.5 −
+10
−
+1
−
−
−
−
500
−
500
V
V
µA
mA
display
lines
ns
ns
−
100
−
nF
2.3
2.5
2.7
V
−
VDD
−
V
−
−
10
pF
−
6.0
−
MHz
−
500
−
ppm
−
100
1.75
2.0
−
nF
2.25
V
1997 May 16
10
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