SP791EK SIPEX [Sipex Corporation], SP791EK Datasheet - Page 4

• Manufacturer Part Number: SP791EK
• Description: Evaluation Board Manual
• Manufacturer: SIPEX [Sipex Corporation]

SP791 Pin Assignments
Power Supply Connections
Pin 3 — V
VDC supply.
Pin 1 — V
supply of 2.8 to 4.0 VDC, or install capacitor
C
Materials).
SP791EB/04
SP791 Evaluation Board List of Materials
Optional:
BATT
Ceramic Capacitor 0.1uF
Pin Receptacle-Female
SP791 Pin Assignments
Pin No.
Pin Receptacle - Male
16 Pin SOIC Socket
16 Pin DIP Socket
10
11
12
13
14
15
16
Al. Spacers - 0.5"
uP Supervisor IC
Maxcap 1F 5.5V
1
2
3
4
5
6
7
8
9
6-32 Hex Nut
Signal Diode
and charging diode D1 (see List of
Component
CC
BATT
Pin Name
LOWLINE
BATT ON
CE OUT
— connect to external +5
RESET
WDPO
CE IN
WDO
V
GND
SWT
PFO
V
WDI
V
PFI
MR
BATT
— connect to external V+
OUT
CC
300-1150-1472-7040
3137-3002-10-0080
216-3340-00-0602
216-7383-55-1902
SP791 Evaluation Board Manual
Set Watchdog-Timeout Input
Part Number
LC055105A
Watchdog-Pulse Output
Output Supply Voltage
SP791
Ground for all Signals
Backup-Battery Input
Input Supply Voltage
8414
Manual-Reset Input
Chip-Enable Output
Battery On Output
Power-Fail Output
Chip-Enable Input
Watchdog Output
Power-Fail Input
Watchdog Input
Lowline Output
Pin Function
Reset Output
4
Keystone Elec.
Manufacturer
Pin 4
ground of +5VDC supply and ground of V+
supply for V
Note: Ensure V
connections are made before operating device.
Mill-Max Mfg.
Mill-Max Mfg.
3M - Textool
3M - Textool
Cesiwid Inc.
Generic
Generic
Generic
Sipex
— GND — connect to negative or
ActiveLevel
Transitions
BATT
HIGH
HIGH
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
NA
NA
NA
NA
NA
Ref. Des.
CC
C1, 2
C
U3
U1
U2
D1
, V
BATT
©Copyright 2000 Sipex Corporation
Input Pin Points
BATT
1.6S or C
V
V
OUT
OUT
R1 & R2
GND
& GND
& GND
and GND
Quantity
SWT
26
26
1
2
4
4
1
1
1
1