MC68194(2006) 데이터 시트보기 (PDF) - ON Semiconductor
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MC68194 Datasheet PDF : 25 Pages
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MC68194
SECTION 9
MC68194 CARRIER BAND MODEM
ELECTRICAL SPECIFICATIONS
MAXIMUM RATINGS (Limits Beyond Which Device Life May Be Impaired)
Characteristic
Supply Voltage
TTL Input Voltage
TTL Output Voltage (Applied to output HIGH)
ECL Output Source Current
Storage Temperature
Cerquad
Junction Temperature
Cerquad
Symbol
VCC
VIN
VOUT
Iout
Tstg
TJ
GUARANTEED OPERATING RANGES
Characteristic
Supply Voltage
Operating Temperature (Cerquad in still air)
Symbol
VCC
TA
Value
0 to +7.0
0 to +5.5
0 to +5.5
50
−55 to +165
165
Value
Min Typ Max
4.75 5.0 5.25
0
25
70
Unit
Vdc
Vdc
Vdc
mAdc
°C
°C
Unit
Vdc
°C
DC ELECTRICAL CHARACTERISTICS
Limits
Characteristic
Symbol
Min
Typ
TTL INPUTS (TXSYM0−TXSYM2, SMREQ*, RESET, EOTDIS)†
(TA = 0−70°C, VCC = 5.0 Vdc "5%)
Input HIGH Voltage
VIH
2.0
Input LOW Voltage
VIL
Input HIGH Current
IIH
Input LOW Current
IIL
†All TTL inputs include a 15 k−ohm pullup resistor to VCC.
TTL OUTPUTS (TXCLK, RXSYM0−RXSYM2, SMIND*, RXCLK, JAB)
(TA = 0−70°C, VCC = 5.0 Vdc "5%)
Output HIGH Voltage
VOH
2.7
Output LOW Voltage
VOL
Output HIGH Current
IOH
Output LOW Current
IOL
ECL OUTPUTS (TXOUT, TXOUT*)
(TA = 25°C, VCC = 5.0 Vdc)
Output HIGH Voltage
VOH
4.10
Output LOW Voltage
VOL
3.28
OPEN COLLECTOR OUTPUT (TXDIS)
(TA = 25°C, VCC = 5.0 Vdc)
Output LOW Current
IOL
450
Output HIGH Leakage Current
IOH
RECEIVER (SINGLE−ENDED OPERATION)
GAIN Output Voltage HIGH
GVOH
4.2
GAIN Output Voltage LOW
GVOL
3.6
Input Signal (for limiting)
RVIN
+17
Detected Threshold
Vthres
+18
PHASE DETECTOR OUTPUTS (UP*, DOWN*)
Phase Detector Output Voltage HIGH
PDVOH
4.0
Phase Detector Output Voltage LOW
PDVOL
3.3
Max
0.8
20
−0.7
0.5
−0.4
8.0
550
50
Unit
Test Conditions
Vdc
Vdc
μA
VCC = MAX, VIN = 2.7 Vdc
mA
VCC = MAX, VIN = 0.4 Vdc
Vdc
VCC = MIN, IOH = MAX
Vdc
VCC = MIN, IOL = MAX
mA
mA
Vdc
Rpulldown = 220 Ω
Vdc
Rpulldown = 220 Ω
μA
VOL = 3.0 Vdc
μA
VOH = 5.0 Vdc
Vdc
Vdc
dBmV
dBmV
IOH = 5.0 mA
IOL = 5.0 mA
GAIN output = 600 mV
RTHRES = 120 kΩ to VCC
Vdc
IOH = 10 mA
Vdc
IOL = 10 mA
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