Avago Technologies LSI53C895A - Manual (Page 263)

DC Characteristics 6-3
Figure 6.1 LVD Driver
Table 6.3 LVD Driver SCSI Signals—SD[15:0]+, SDP[1:0]/, SREQ/, SREQ2/, SACK/,
SACK2/, SMSG/, SIO/, SCD/, SATN/, SBSY/, SSEL/, SRST/
Symbol Parameter Min Max Unit Test Conditions
1
1. V
CM
= 0.7–1.8 V, R
L
= 0–110
Ω, =
R
bias
= 9.76 k
Ω.
I
O
+ Source (+) current 7 13 mA Asserted state
I
O
−
Sink (
−
) current
−
7
−
13 mA Asserted state
I
O
+ Source (+) current 3.5
−
6.5 mA Negated state
I
O
−
Sink (
−
) current
−
3.5
=
6.5 mA Negated state
I
OZ
3-state leakage
−
20 20
µ
A V
PIN
= 0 V, 3.47 V
I
OZ (SRST-only)
3-state leakage
−
500
−
50
µ
A –
+
−
R
L
2
V
CM
+
I
O
+
R
L
2
I
O
−
−
Table 6.4 LVD Receiver SCSI Signals—SD[15:0]/, SDP[1:0]/, SREQ/, SREQ2/, SACK/,
SACK2/, SMSG/, SIO/, SCD/, SATN/, SBSY/, SSEL/, SRST/
Symbol Parameter Min Max Unit
V
I
LVD receiver voltage asserting 60 – mV
V
I
LVD receiver voltage negating –
−
60 mV
Note: V
CM
= 0.7–1.8 V.