參數(shù)資料
型號: VPX3224E
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
英文描述: Video Pixel Decoders
中文描述: 視頻解碼器像素
文件頁數(shù): 57/92頁
文件大?。?/td> 616K
代理商: VPX3224E
ADVANCE INFORMATION
VPX 322xE
MICRONAS INTERMETALL
57
4.3. Characteristics
at T
A
= 0 to 65
°
C, V
SUPA
= 4.75 to 5.25 V, V
SUPD
= 3.15 to 3.5 V,
f = 20.25 MHz for min./max. values
at T
C
= 60
°
C, V
SUPA
= 5 V, V
SUPD
= 3.3 V, f = 20.25 MHz for typical values
4.3.1. Current Consumption
Symbol
Parameter
Pin Name
Min.
Typ.
Max.
Unit
I
VSUPA
Current Consumption
AVDD
50
mA
I
VSUPD
Current Consumption
VDD
35
mA
I
VSUPP
Current Consumption
PVDD
application dependent
mA
45@3.3V
75@5V
P
TOT
Total Power Dissipation,
normal operation condition
AVDD, VDD, PVDD
0.420
W
P
TOT
Total Power Dissipation, low power mode
AVDD, VDD, PVDD
0.1
W
4.3.2. Characteristics, Reset
Symbol
Parameter
Min.
Typ.
Max.
Unit
Test Conditions
t
RES MIN
RES Low Pulse to initiate an internal reset
50
ns
xtal osc. is working
t
RES INT
Internal Reset Hold Time
3.2
μ
s
xtal osc. is working
Default Wake-up Selection (see timing diagram in section 5.1. on page 63)
t
RES MIN
RES Low Pulse due to the time needed to
discharge pin FIELD by the internal pull-
down transistor for default selection
(see schematic of fig. 3–9)
1
ms
xtal osc. is working
C
LOAD
(FIELD) < 50 pF
I
leak
< 10 A
t
s-WU
Setup Time of pin FIELD and OE
to posedge of RES
20
ns
t
h-WU
Hold Time of pin FIELD and OE
to posedge of RES
20
ns
I
PD
Pull-down current during RES = 0 at pin
FIELD
75
A
V
FIELD
= 3.3 V
R
PU
Recommended Pull-up resistor to enforce a
logical 1 to pin FIELD
10
k
4.3.3. XTAL Input Characteristics
Symbol
Parameter
Min.
Typ.
Max.
Unit
Test Conditions
V
I
Clock Input Voltage, XTAL1
1.3
V
PP
capacitive coupling of
XTAL1,
XTAL 2 remains open
t
Startup1
Oscillator Startup Time at VDD
Slew-rate of 1 V / 1
μ
s
(see section 5.1. on page 63)
0.4
1.0
ms
t
Startup2
Reset Hold Time after
the Oscillator is active
(see section 5.1. on page 63)
5.0
s
k
XTAL
Duty Cycle
50
%
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