參數資料
型號： 935262318557
廠商： NXP SEMICONDUCTORS
元件分類： 顏色信號轉換
英文描述： COLOR SIGNAL ENCODER, PQFP44
封裝： PLASTIC, QFP-44
文件頁數： 21/43頁
文件大小： 193K
代理商： 935262318557
1999 May 31
28
Philips Semiconductors
Product specication
Digital video encoder
SAA7126H; SAA7127H
CHARACTERISTICS
VDDD = 3.0 to 3.6 V; Tamb =0to70 °C; unless otherwise specied.
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
Supplies
VDDA
analog supply voltage
3.15
3.45
V
VDDD
digital supply voltage
3.0
3.6
V
IDDA
analog supply current
note 1
100
mA
IDDD
digital supply current
VDDD = 3.3 V; note 1
46
mA
Inputs
VIL
LOW-level input voltage (pins LLC1, RCV1,
RCV2, MP7 to MP0, RTCI, SA, RESET
and TTX)
0.5
+0.8
V
VIH
HIGH-level input voltage (pins LLC1, RCV1,
RCV2, MP7 to MP0, RTCI, SA, RESET
and TTX)
2.0
VDDD + 0.3
V
ILI
input leakage current
1
A
Ci
input capacitance
clocks
10
pF
data
8pF
I/Os at high-impedance
8pF
Outputs; pins RCV1, RCV2 and TTXRQ
VOL
LOW-level output voltage
IOL =2mA
0.4
V
VOH
HIGH-level output voltage
IOH = 2 mA
2.4
V
I2C-bus; SDA and SCL
VIL
LOW-level input voltage
0.5
0.3VDD(I2C)
V
VIH
HIGH-level input voltage
0.7VDD(I2C) VDD(I2C) + 0.3 V
Ii
input current
Vi = LOW or HIGH
10
+10
A
VOL
LOW-level output voltage (pin SDA)
IOL =3mA
0.4
V
Io
output current
during acknowledge
3
mA
Clock timing (pins LLC1 and XCLK)
TLLC1
cycle time
note 2
34
41
ns
δ
duty factor tHIGH/TLLC1
LLC1 input
40
60
%
duty factor tHIGH/TXCLK
XCLK output typical
50%
40
60
%
tr
rise time
note 2
5ns
tf
fall time
note 2
6ns
Input timing; pins LLC1, RCV1, RCV2, MP7 to MP0, RTCI, SA and TTX
tSU;DAT
input data set-up time
6
ns
tHD;DAT
input data hold time
3
ns
Crystal oscillator
fn
nominal frequency (usually 27 MHz)
3rd-harmonic
30
MHz
f/f
n
permissible deviation of nominal frequency
note 3
50
+50
106
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