参数资料
型号: BT497AKHF160
厂商: CONEXANT SYSTEMS
元件分类: 显示控制器
英文描述: 1280 X 1024 PIXELS PALETTE-DAC DSPL CTLR, PQFP160
封装: PLASTIC, QFP-160
文件页数: 33/141页
文件大小: 1512K
代理商: BT497AKHF160
5.0 Parametric Information
L498A_B
5.1 DC Electrical Parameters
240 MHz Monolithic CMOS Triple 1K x 8 RAMDAC
5-2
Conexant
L498A_B
Preliminary Information/Conexant Proprietary and Confidential
Table 5-2. Absolute Maximum Ratings
Parameter
Symbol
Min
Typ
Max
Units
VAA3 (measured to GND)
——
5
V
VAA5 (measured to GND)
——
7
V
Voltage on any Signal Pin (1)
GND –0.5
VAA+0.5
V
Analog Output Short Circuit
Duration to any Power Supply or Common
ISC
0
Indefinite
Storage Temperature
TS
–65
+125
°C
Junction Temperature
TJ
——
+150
°C
Soldering Temperature (5 seconds, 1/4” from pin)
TSOL
——
260
°C
Vapor Phase Soldering (1 minute)
TVSOL
——
220
°C
SDL, SDA Pullup Resistor(2)
Rps
600
——
W
Drawing b Pullup Resistor(2)
Rpd
120
——
W
(1) This device employs a high-impedance CMOS device on all signal pins. It should be handled as an ESD-sensitive device.
Voltage on any signal pin that exceeds the power supply voltage by more than +0.5 V can induce destructive latchup.
(2) Pullup resistors must be terminated at +5 V supply.
Table 5-3. DC Characteristics (1 of 3)
Parameter
Symbol
Min
Typ
Max
Units
Analog Outputs
Resolution (each DAC)
Accuracy (each DAC)
Integral Linearity Error
Differential Linearity Error
Gray-Scale Error
Monotonicity
Coding
IL
DL
88
Guaranteed
8
±1
±5
Bits
LSB
% Gray
Scale
Binary
Digital Inputs (except CLOCK and CLOCK*)
Input High Voltage (non Field)
VIH
2
VAA3 + 0.5
V
Input High Voltage (Field pin)
VIH
2
VAA5 + 0.5
V
Input Low Voltage
VIL
GND
0.8
V
Hysteresis (Field pin)
Vhys
0.3
V
Input High Current (Vin = 2.4 V)
IIH
1
A
Input Low Current (Vin = 0.4 V)
IIL
–1
A
Input Capacitance (f = 1 MHz, Vin = 2.4 V)
CIN
7
pF
Digital Inputs with Internal Pullups (Pixel Inputs
and JTAG Pins)
——
Input High Voltage
VIH
2
VAA3 + 0.5
V
Input Low Voltage
VIL
GND
0.8
V
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