參數(shù)資料
型號: SAA7126H
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(zhuǎn)換
英文描述: Digital video encoder
中文描述: COLOR SIGNAL ENCODER, PQFP44
封裝: 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44
文件頁數(shù): 28/40頁
文件大?。?/td> 155K
代理商: SAA7126H
1999 May 31
28
Philips Semiconductors
Product specification
Digital video encoder
SAA7126H; SAA7127H
CHARACTERISTICS
V
DDD
= 3.0 to 3.6 V; T
amb
= 0 to 70
°
C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
Supplies
V
DDA
V
DDD
I
DDA
I
DDD
analog supply voltage
digital supply voltage
analog supply current
digital supply current
3.15
3.0
3.45
3.6
100
46
V
V
mA
mA
note 1
V
DDD
= 3.3 V; note 1
Inputs
V
IL
LOW-level input voltage (pins LLC1, RCV1,
RCV2, MP7 to MP0, RTCI, SA, RESET
and TTX)
HIGH-level input voltage (pins LLC1, RCV1,
RCV2, MP7 to MP0, RTCI, SA, RESET
and TTX)
input leakage current
input capacitance
0.5
+0.8
V
V
IH
2.0
V
DDD
+ 0.3
V
I
LI
C
i
1
10
8
8
μ
A
pF
pF
pF
clocks
data
I/Os at high-impedance
Outputs; pins RCV1, RCV2 and TTXRQ
V
OL
V
OH
LOW-level output voltage
HIGH-level output voltage
I
OL
= 2 mA
I
OH
= 2 mA
2.4
0.4
V
V
I
2
C-bus; SDA and SCL
V
IL
V
IH
I
i
V
OL
I
o
LOW-level input voltage
HIGH-level input voltage
input current
LOW-level output voltage (pin SDA)
output current
0.5
0.7V
DD(I2C)
V
DD(I2C)
+ 0.3 V
10
+10
0.4
3
0.3V
DD(I2C)
V
V
i
= LOW or HIGH
I
OL
= 3 mA
during acknowledge
μ
A
V
mA
Clock timing (pins LLC1 and XCLK)
T
LLC1
δ
cycle time
duty factor t
HIGH
/T
LLC1
duty factor t
HIGH
/T
XCLK
note 2
LLC1 input
XCLK output typical
50%
note 2
note 2
34
40
40
41
60
60
ns
%
%
t
r
t
f
rise time
fall time
5
6
ns
ns
Input timing; pins LLC1, RCV1, RCV2, MP7 to MP0, RTCI, SA and TTX
t
SU;DAT
t
HD;DAT
input data set-up time
input data hold time
6
3
ns
ns
Crystal oscillator
f
n
f/f
n
nominal frequency (usually 27 MHz)
permissible deviation of nominal frequency
3rd-harmonic
note 3
50
30
+50
MHz
10
6
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