MAX698CPA Maxim Integrated Products, MAX698CPA Datasheet - Page 3

• Manufacturer Part Number: MAX698CPA
• Description: Supervisory Circuits Power-On Reset & Watchdog Ctlr
• Manufacturer: Maxim Integrated Products

Specifications of MAX698CPA

• Number Of Voltages Monitored: 1
• Monitored Voltage: 5 V
• Output Type: Active High, Active Low, Open Drain, Push-Pull
• Manual Reset: Not Resettable
• Watchdog: No Watchdog
• Battery Backup Switching: No Backup
• Power-up Reset Delay (typ): 500 ms
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 3 V
• Supply Current (typ): 5000 uA
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Package / Case: PDIP N
• Minimum Operating Temperature: 0 C
• Power Fail Detection: No
• Lead Free Status / Rohs Status: No

Figure 1. Block Diagram
5–8, 10–14
1, 4, 9
2, 3
SO
10
14
15
16
PIN
WDI*
V
3, 4, 8
PDIP
CC
1, 2
5, 6
_______________________________________________________________________________________
—
—
6
7
WDO (MAX699 Only)
WDI (MAX699 Only)
WATCHDOG
TIMER
RESET
RESET
NAME
GND
N.C.
V
CC
4.65V
GND
Low-Cost, Power-On Reset
and Watchdog Controllers
Chip Power Ground
+5V Sense Input and MAX698/MAX699 Chip Power
No Connection
(MAX699 Only.) A three-level input. If WDI remains high or low for
more than the watchdog timeout period, RESET pulses low (WDO
also goes low on the MAX699 SO package). If WDI is unconnected,
the watchdog circuit is disabled.
(MAX699 Only.) Goes low when WDI remains high or low for more
than the watchdog timeout period. WDO is set high at the next WDI
transition. If WDI is unconnected or at midsupply, WDO remains high.
WDO also remains high when V
Goes low when V
Electrical Characteristics table).
Goes high when V
V
CC
*WDI ON MAX699 ONLY
RESET ON SO PACKAGE ONLY
WDO ON SO MAX699 ONLY
POWER-ON
RESET
RESET
TIMER
CC
CC
falls below internally set threshold (see the
falls below internally set threshold.
MAX698
MAX699
FUNCTION
CC
falls below 4.4V.
Pin Description
RESET*
RESET
WDO*
3