SMH4042 Datasheet, PDF (2/28 Pages) Summit Microelectronics, Inc. – Hot Swap™ Controller

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