CN8223 Datasheet, PDF (137/161 Pages) Conexant Systems, Inc – ATM Transmitter/Receiver with UTOPIA Interface

CN8223
ATM Transmitter/Receiver with UTOPIA Interface
4.0 Electrical and Mechanical Specifications
4.2 DC Characteristics
Table 4-1 defines the DC characteristics.
Table 4-1. DC Characteristics
Symbol
Parameter
VT
Switching threshold
VT+
Schmitt Trigger,
positive-going threshold
VT–
Schmitt Trigger,
negative-going threshold
Schmitt Trigger Input
Hysteresis Voltage
IIN
Inputs
Inputs with pulldown
resistors (5 V)
Inputs with pullup resistors
(5 V)
VOH
Voltage output HIGH
4 mA outputs
8 mA outputs
VOL
Voltage output LOW
4 mA outputs
8 mA outputs
IDD
Quiescent supply current
VIL
Voltage Input Low
CMOS Levels
TTL Inputs
VIH
Voltage Input High
CMOS Levels
TTL Inputs
TTL Schmitt Trigger
Inputs
IOS
Output short circuit current
4 mA outputs
IOZ
CIN
COUT
Three-state Output Leakage
Current
Input Capacitance
Output Capacitance
Conditions
CMOS
TTL
CMOS
TTL
CMOS (5 V)
TTL
CMOS VIL to VIH
TTL VIL to VIH
VIN = VDD
VIN = VDD
Min
—
—
1.0
0.8
1.0
0.4
–10
35
Typical
2.5
1.5
1.77
2.0
1.5
1.04
1.5
0.8
±1
115
Max
—
2.0
2.25
—
—
10
222
VIN = VSS
–35
–115
–214
Commercial /military
IOH = –4 mA
IOH = –8 mA
Commercial /military
IOL = –4 mA
IOL = –8 mA
VIN = VDD or VSS
—
—
2.4
2.4
—
—
2.4
2.4
User-Design Dependent
—
—
—
—
0.7
Comm./Ind./Mil. temp VDD
range
2.0
Ind./Mil. temp range
2.25
VDD = 5.25 V, VO = VDD 37
90
VDD = 5.25 V, VO = VSS –117
–75
VDD = 3.45 V, VO = VDD 50
110
VDD = 3.45 V, VO = VSS –99
–60
VOH = VSS or VDD
–10
±1
0.2
VDD
0.8
VDD
—
140
–40
182
–31
10
Any input and
2.5
bidirectional buffers
—
2.0
Unit
V
V
V
V
µA
µA
µA
V
V
V
V
V
V
mA
µA
pF
pF
100046C
Conexant
4-3