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The CAT1021, CAT1022 and CAT1023 are complete memory and supervisory solutions for microcontroller−based systems. A EEPROM Serial 2k−bit I2C memory and a system power supervisor with brown−out protection are integrated together in low power CMOS technology. Memory interface is via a 400 kHz I2C bus. SOIC−8 CASE 751BD TSSOP−8 CASE 948S The CAT1021 and .
a 16−byte page. In addition, hardware data protection is provided by a VCC
sense circuit that prevents writes to memory whenever VCC falls below the reset threshold or until VCC reaches the reset
threshold during power up.
Available packages include an surface mount 8−pin SOIC, 8−pin TSSOP, 8−pin TDFN and 8−pin MSOP packages. The
TDFN package thickness is 0.8 mm maximum. TDFN footprint options are 3 x 3 mm.
Features
• Precision Power Supply Voltage Monitor
♦ 5 V, 3.3 V and 3 V Systems
♦ Five Threshold Voltage Options
• Watchdog Timer
• Active High or Low Reset
♦ Valid Reset Guaranteed at .
CAT1022 - Catalyst Semiconductor
The CAT1021, CAT1022 and CAT1023 are complete memory and supervisory solutions for microcontrollerbased systems. A 2k-bi.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | CAT102 |
Catalyst Semiconductor |
Precision/ Adjustable Shunt Regulator (600mV Reference) |
|
| 2 | CAT102 |
ON Semiconductor |
Adjustable Shunt Regulator |
|
| 3 | CAT1021 |
Catalyst Semiconductor |
Supervisory Circuits |
|
| 4 | CAT1021 |
ON Semiconductor |
EEPROM |
|
| 5 | CAT1023 |
Catalyst Semiconductor |
Supervisory Circuits |
|
| 6 | CAT1023 |
ON Semiconductor |
EEPROM |
|
| 7 | CAT1024 |
ON Semiconductor |
EEPROM Serial 2k-bit I2C and Manual Reset |
|
| 8 | CAT1024 |
Catalyst Semiconductor |
Supervisory Circuits |
|
| 9 | CAT1025 |
Catalyst Semiconductor |
Supervisory Circuits |
|
| 10 | CAT1025 |
ON Semiconductor |
EEPROM Serial 2k-bit I2C and Manual Reset |
|
| 11 | CAT1026 |
ON Semiconductor |
Dual-Voltage Supervisory |
|
| 12 | CAT1026 |
Catalyst Semiconductor |
Dual Voltage Supervisory Circuits |
|