AM7992B Datasheet, PDF (13/27 Pages) Advanced Micro Devices – Serial Interface Adapter (SIA)

AMD
DC CHARACTERISTICS over operating ranges unless otherwise specified
Parameter
Symbol Parameter Description
Test Conditions
Com’l
Min Max Unit
VOH
Output HIGH Voltage RX,
RENA, CLSN, TCLK, RCLK
IOH = –1.0 mA, VCC = Min
2.4
V
VOL
Output LOW Voltage
IOL = 16 mA, VCC = Min
0.5
V
RCLK, TSEL, TCLK, RENA, RX, CLSN
IOL = 1 mA, VCC = Min
0.4
V
VOD
VOD OFF
Differential Output Voltage TX+ > TX– for VO
(Transmit+) – (Transmit–) TX+ < TX– for VO
Transmit Differential Output Idle Voltage
RL = 78 Ω
VCC = Min, RL = 78 Ω
550 770 mV
–550 –770 mV
(Note 1) –20
20 mV
IOD OFF Transmit Differential Output Idle Current
TSEL = HIGH
(Note 2) –0.5 0.5 mA
VCMT Transmit Output Common-Mode Voltage
RL = 78 Ω, VCC = Min
0
5
V
VODI
Transmit Differential Output Voltage
Imbalance ||VO| – |VO||
(Note 1)
20 mV
VIH
Input HIGH Voltage TX, TENA
IIH
Input HIGH Current TX, TENA, TEST
VCC = Max, VIN = 2.7 V
2.0
V
+50 µA
VIL
Input LOW Current TX, TENA
IIL
Input LOW Current TX, TENA, TEST
VCC = Max, VIN = 0.4 V
0.8
V
–400 µA
VIRD
Differential Input Threshold (Receive Data)
VCM = 0 V, (Note 4)
Ceramic
Package –35
Plastic
Package –65
+35 mV
+65 mV
VIRVD
Differential Mode Input Voltage Range
(Receive ±/Collision ±)
(Note 3)
–1.5 +1.5 V
VIRVC
Receive ± and Collision ± Common
Mode Voltage
(Note 2)
0
5.5
V
VIDC
Differential Input Threshold to Detect Carrier VCM = 0 V (Note 4)
–175 –275 mV
ICC
Power Supply Current
VCC = Max (Note 5)
VIB
Input Breakdown Voltage (TX, TENA, TEST) II = 1 mA, VCC = Max
180 mA
5.5
V
VIC
Input Clamp Voltage
IIN = –18 mA, VCC = Min
–1.2 V
VODP
Undershoot Voltage on Transmit
Return to Zero (End of Message)
(Note 3)
–100 mV
ISC
Short Circuit Current
RCLK, RX, TCLK, CLSN, RENA
VCC = Max (Note 6)
–40 –150 mA
RIDF
Differential Input Resistance
VCC = 0 to Max (Note 3)
6
kΩ
RICM
Common Mode Input Resistance
VCC = 0 to Max (Note 3)
1.5
kΩ
VICM
Receive and Collision Input Bias Voltage
IIN = 0, VCC = Max
1.5
4.2
V
IILD
Receive and Collision Input LOW Current
VIN = –1 V, VCC = Max
–1.64 mA
IIHD
Receive and Collision Input HIGH Current
VIN = 6 V, VCC = Min
+1.10 mA
IIHZ
Receive and Collision Input HIGH
Current Power Off
VCC = 0, VIN = +6 V
1.86 mA
IIHX
Oscillator (X1) Input HIGH Current
VIN = 2.4 V, VCC = Max
+800 µA
IILX
Oscillator (X1) Input LOW Current
VIN = 0.4 V, VCC = Max
–1.2 mA
VIHX
Oscillator (X1) Input HIGH Voltage
(Note 3)
2.0
V
VILX
Oscillator (X1) Input LOW Voltage
(Note 3)
0.8
V
Note:
See notes following Switching Characteristics table.
Am7992B
13