Avago Technologies LSI53C1000R - Manual (Page 285)

DC Characteristics 6-3
Version 2.2 Copyright © 2000–2003 by LSI Logic Corporation. All rights reserved.
Figure 6.1 LVD Driver
Table 6.3 LVD Driver SCSI Signals
1
– SD[15:0], SDP[1:0], SREQ/, SACK/, SMSG/,
SIO/, SCD/, SATN/, SBSY/, SSEL/, SRST/
1. Note: V
CM
= 0.7–1.8 V (Common Mode, nominal ~1.2 V), R
L
= 0–110
Ω,
R
bias
= 10.0 k
Ω
Symbol Parameter Min Max Unit Test Conditions
I
O
+ Source (+) current
−
9.6
−
14.4 mA Asserted state
I
O
−
Sink (
−
) current 9.6 14.4 mA Asserted state
I
O
+ Source (+) current
−
6.4
−
9.6 mA Negated state
I
O
−
Sink (
−
) current 6.4 9.6 mA Negated state
I
OZ
3-state leakage – 20
µ
A –
R
L
2
V
CM
+
I
O
+
R
L
2
I
O
−
−
+
−
Table 6.4 LVD Receiver SCSI Signals
1
– SD[15:0], SDP[1:0], SREQ/, SACK/, SMSG/,
SIO/, SCD/, SATN/, SBSY/, SSEL/, SRST/
1. Note: V
CM
= 0.7–1.8 V (Common Mode Voltage, nominal ~1.2 V.)
Symbol Parameter Min Max Unit Test Conditions
V
I
LVD receiver voltage asserting 60 – mV Differential voltage
V
I
LVD receiver voltage negating
−
60 – mV Differential voltage