CDB4955A Cirrus Logic Inc, CDB4955A Datasheet - Page 6

• Manufacturer Part Number: CDB4955A
• Description: EVALUATION BOARD FOR CS4955A
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4955A

• Main Purpose: Video, Video Processing
• Embedded: Yes, Other
• Utilized Ic / Part: CS4955
• Primary Attributes: NTSC/PAL Digital Video Encoder
• Secondary Attributes: Graphical User Interface, RS-232 Interface
• Operating Frequency: 27 MHz
• Interface Type: RS-232, Composite, RGB, S-Video
• Operating Supply Voltage: 3.3 V, 5 V
• Software: Software Included
• Silicon Manufacturer: Cirrus Logic
• Silicon Core Number: CS4955
• Kit Application Type: Audio / Video / TV
• Application Sub Type: Encoder / Decoder
• Kit Contents: Evaluation Board
• Rohs Compliant: No
• For Use With/related Products: CS4954
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

1. CHARACTERISTICS AND SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
AC & DC PARAMETRIC SPECIFICATIONS
WARNING: Operating beyond these limits can result in permanent damage to the device. Normal operation is not
RECOMMENDED Operating Conditions
Note:
THERMAL CHARACTERISTICS
Note:
DC CHARACTERISTICS
6
Allowable Junction Temperature
Junction to Ambient Thermal Impedance
Power Supply
Input Current Per Pin (Except Supply Pins)
Output Current Per Pin (Except Supply Pins)
Analog Input Voltage
Digital Input Voltage
Ambient Temperature Power Applied
Storage Temperature
Power Supplies: Digital Analog
Operating Ambient Temperature
Digital Inputs
High level Input Voltage
V [7:0], PDAT [7:0], Hsync/Vsync/CLKIN
High Level Input Voltage I²C
Low level Input Voltage All Inputs
Input Leakage Current
Digital Outputs
High Level Output Voltage lo = -4 mA
Low level Output Voltage lo = 4 mA
Operation outside the ranges is not recommended.
Four-layer PCB recommended for operation in environments where TA > 70° C.
guaranteed at these extremes.
Parameters
Parameter
Parameter
Parameter
(T
A
(Four-layer PCB) TQFP
= 25° C; VAA, VDD = 5 V; GNDA, GNDD = 0 V.)
(Two-layer PCB) TQFP
(AGND,DGND = 0 V, all voltages with respect to 0 V.)
(AGND,DGND = 0 V, all voltages with respect to 0 V )
VAA/VDD
VAA/VDD
Symbol
Symbol
Symbol
Symbol
θ
θ
VOH
JA-TM
VOL
JA-TS
VIH
VIH
TA
-
-
0.7 VDD
3.15
4.75
Min
Min
Min
-0.3
-40
2.2
-10
2.4
-
-
-
-
-0.3
-0.3
Min
-0.3
-
-10
-50
-55
-65
CS4954 CS4955
Typ
Typ
+25
3.3
5.0
45
65
Typ
-
-
-
-
-
-
-
-
VDD + 0.3
VAA + 0.3
+ 125
+ 150
Max
+50
6.0
10
VDD+0.3
Max
Max
3.45
5.25
150
+85
VDD
-
-
-
Max
+10
0.8
0.4
-
DS278F6
Units
Units
Units
°C/W
mA
mA
°C
°C
Units
°C
°C
V
V
V
V
μA
V
V
V
V
V