HFBR-4663 Agilent(Hewlett-Packard), HFBR-4663 Datasheet - Page 6

• Manufacturer Part Number: HFBR-4663
• Description: Single Chip 10BASE-FL Transceiver
• Manufacturer: Agilent(Hewlett-Packard)

AC Electrical Characteristics
`
Notes:
1. Absolute maximum ratings are limits beyond which the life of the integrated circuit may be impaired. All voltages unless otherwise
2. Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.
3. Low Duty Cycle pulse testing is performed at T
4. This does not include the current from the AUI pull-down resistors, or LED status otuputs.
5. LED drivers can sink up to 20 mA, but V
6. Does not include pre-bias current for fiber optic LED which would typically be 3 mA.
7. Threshold for switching from Link Fail ot Link Pass (Low Light).
82
specified are measured with respect to ground.
Transmit
Receive
Collision
Jabber and LED Timing
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
TXNPW
TXFPW
TXLP
TXODY
TXIDF
TXDC
TXSDY
TXJ
RXSFT
RXODY
RXFX
RXSDY
RXJ
AR
AF
CPSQE
SQEXR
CLF
CLPDC
SQEDY
SQETD
JAD
JRT
JSQE
LED
LLPH
LLCL
Transmit Turn-On Pulse Width
Transmit Turn-Off Pulse Width from Data to Idle
Transmit Loopback Start-up Delay
Transmit Turn-On Delay
Transmit Idle Frequency
Transmit Idle Duty Cycle
Transmit Steady State Propagation delay
Transmit Jitter into 31
Receive Squelch Frequency Threshold
Receive Turn-On Delay
Last Bit Received to Slow Decay Output
Receive Steady State Propagation Delay
Receive Jitter
Differential Output Rise Time 20% to 80% (Rx , COL )
Differential Output Fall Time 20% to 80% (Rx , COL )
Collision Present to SQE Assert
Time for SQE to Deactivate After Collision
Collision Frequency
Collision Pulse Duty Cycle
SQE Test Delay (Tx Inactive to SQE)
SQE Test Duration
Jabber Activation Delay
Jabber Reset Unjab Time
Delay from Outputs Disabled to Collision Oscillator On
RCV, CLSN, XMT On Time
Low Light Present to LMON High
Low Light Present to LMON Low
OL
will be higher.
Parameter
A
.
Load
Min.
0.85
2.51
400
230
250
250
8.5
0.6
0.5
45
40
20
0
0
8
3
Typ.
300
450
100
1.0
20
15
15
50
70
16
4
4
5
Max. Units
2100
1.25
11.5
500
100
270
350
700
150
750
750
4.5
1.6
1.5
55
50
50
60
32
10
1.5
1.5
MHz
MHz
MHz
ms
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
s
s
s