ATA6025 ATMEL Corporation, ATA6025 Datasheet - Page 11

• Manufacturer Part Number: ATA6025
• Description: Ata6025 Watchdog Ic
• Manufacturer: ATMEL Corporation

Figure 8-5.
4716C–AUTO–09/05
Application Circuit
RKL15
50k
100 nF
CKL15
VKL15
VCC
VBG
VDD
over- & undervoltage
detection
VCC
oscillator
trimming
High at counter
on chip
GND
NVKL15
OSC
VCCH
VCCL
Rset
zero
current
BIAS
IBias
RREF
standby mode
VBG
watchdog
failure
fwd
VB
OSC
POR & Bandgap
VB monitoring
5 V regulator
Reference
standby mode
& down
Test mode 1 or 2
counter
400 ms
100 nF
up
CVB2
Watchdog
divided by 4
Input
OSC
CVB1
220 µF DKL30
at counter end
at counter zero
POR
NL High
NL Low
VDD
POR
BYG10J
VBOK
Short circuit
protected
KL30
2.5 mA
VDD
CLK
NOTL
WD
ATA6025
11