CAT24C323 Datasheet, PDF (4/12 Pages) Catalyst Semiconductor – Supervisory Circuits with I2C Serial CMOS E2PROM, Precision Reset Controller and Watchdog Timer

CAT24C323/643
RESET CIRCUIT CHARACTERISTICS
Symbol
t_GLITCH
V_RT
V_OLRS
V_OHRS
VTH
t_PURST
t_RPD
V_RVALID
Parameter
Min. Max.
Glitch Reject Pulse Width
100
Reset Threshold Hystersis
15
Reset Output Low Voltage (I_OLRS=1mA)
0.4
Reset Output High Voltage
Vcc-0.75
Reset Threshold (Vcc=5V)
(24CXXX-45)
4.50 4.75
Reset Threshold (Vcc=5V)
(24CXXX-42)
4.25 4.50
Reset Threshold (Vcc=3.3V)
(24CXXX-30)
3.00 3.15
Reset Threshold (Vcc=3.3V)
(24CXXX-28)
2.85 3.00
Reset Threshold (Vcc=3V)
(24CXXX-25)
2.55 2.70
Power-Up Reset Timeout
130
270
V_TH to RESET Output Delay
RESET Output Valid
5
1
Units
ns
mV
V
V
V
ms
µs
V
Advanced
Doc. No. 25084-00 12/98
4