參數(shù)資料
型號: DS21Q42T
廠商: DALLAS SEMICONDUCTOR
元件分類: Digital Transmission Controller
英文描述: DATACOM, FRAMER, PQFP128
封裝: TQFP-128
文件頁數(shù): 7/119頁
文件大小: 1309K
代理商: DS21Q42T
DS21Q42
104 of 119
21. OPERATING PARAMETERS
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Non-Supply Pin Relative to Ground
–1.0V to +5.5V
Supply Voltage
-0.3V to +3.63V
Operating Temperature for DS21Q42T
0°C to 70°C
Operating Temperature for DS21Q42TN
–4
0°C to +85°C
Storage Temperature
–5
5°C to +125°C
* This is a stress rating only and functional operation of the device at these or any other conditions above
those indicated in the operation sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
(
0000°C to 70000°C for DS21Q42T;
0000°C to +85555°C for DS21Q42TN)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Logic 1
VIH
2.0
5.5
V
Logic 1
VIL
–0.3
+0.8
V
Supply
VDD
2.97
3.63
V
CAPACITANCE
(tA =2
5555°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance
CIN
5pF
Output Capacitance
COUT
7pF
DC CHARACTERISTICS
(
0000°C to 70000°C; VDD = 2.97 to 3.63V for DS21Q42T;
-4
0000°C to +85555°C; VDD = 2.97 to 3.63V for DS21Q42TN)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Supply Current @ 3.3V
IDD
75
mA
1
Input Leakage
IIL
–1.0
+1.0
A
2
Output Leakage
ILO
1.0
A
3
Output Current (2.4V)
IOH
–1.0
mA
Output Current (0.4V)
IOL
+4.0
mA
Notes:
1. TCLK=RCLK=TSYSCLK=RSYSCLK=1.544 MHz; outputs open circuited.
2. 0.0V < V IN < V DD .
3. Applied to INT* when 3–stated.
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