SMH4042
PIN CONFIGURATIONS SOIC and SSOP
Symbol
CBI_5
Pin Description
1
2
3
4
5
6
7
8
Circuit Breaker Input (5V)
CBI_5
DRVREN#
ISLEW
1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VCC
DRVREN#
ISLEW
FAULT#
1Vref
High Side Driver Enable
Slew Rate Control
2
VGATE5
NC
3
Fault Output Active Low
1Volt Reference Output
Voltage Select Input
Power On Enable Input
CARD_5V_MON
CBI_3
FAULT#
1Vref
4
5
VSEL
HST_3V_MON
VGATE3
VSEL
PWR_EN
A0
6
PWR_EN
A0
7
Memory Address 0
CARD_3V_MON
LOCAL_PCI_RST
SCL
8
(NC or Gnd)
LOCAL_PCI_RST#
9
LOCAL_PCI_RST#
9
Back End Reset Output
A1
A2
10
11
12
13
14
(Active Low)
SDA
A1
A2
10
11
12
13
14
15
16
17
18
19
Memory Address 1
Memory Address 2
Board Select 2
PCI_RST#
BD_SEL2#
BD_SEL1#
GND
SGNL_VLD#
HEALTHY#
2037 ILL1.2
BD_SEL2#
BD_SEL1#
GND
Board Select 1
Ground
HEALTHY#
SGNL_VLD#
PCI_RST#
SDA
Backend Power On
Signals Valid Output
Host reset input
Serial Data I/O
SCL
Serial Clock Input
LOCAL_PCI_RST 20
Back End Reset
Output (Active High)
CARD_3V_MON
21
Card-side 3 Volt
Monitor Input
VGATE3
HST_3V_MON
CBI_3
22
23
24
25
High Side Drive Output
Host 3V Monitor Input
Circuit Breaker Input (3V)
CARD_5V_MON
Card-side 5 Volt
Monitor Input
NC
VGATE5
VCC
26
27
28
No Connect
High Side Drive Output
Supply Voltage
2037 PGM T1.2
RECOMMENDED OPERATING CONDITIONS
Condition
Temperature
VCC
Min
-40°C
2.7V
Max
+85°C
5.5V
2037 PGM T2.0
2037 8.0 8/8/00
2
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
