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參數資料
| 型號： | CAT1640ZD2I-25SOIC |
| 英文描述： | Paired Cable; Number of Conductors:8; Conductor Size AWG:24; No. Strands x Strand Size:Solid; Jacket Material:FEP; Number of Pairs:4; Features:Unshielded; Impedance:100ohm; Leaded Process Compatible:Yes; Outer Diameter:0.195" RoHS Compliant: Yes |
| 中文描述： | 監控電路，帶有I2C串行EEPROM的64K的的CMOS |
| 文件頁數： | 1/18頁 |
| 文件大?。?/td> | 125K |
| 代理商： | CAT1640ZD2I-25SOIC |
2005 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
CAT1640, CAT1641
Supervisory Circuits with I
2
C Serial 64K CMOS EEPROM
Doc. No. 25082, Rev. 00
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FEATURES
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Precision power supply voltage monitor
— 5V, 3.3V and 3V systems
- +5.0V (+/- 5%, +/- 10%)
- +3.3V (+/- 5%, +/- 10%)
- +3.0V (+/- 10%)
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Active low reset, CAT1640
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Active high reset, CAT1641
I
Valid reset guaranteed at V
CC
=1V
I
400kHz I
2
C bus
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3.0V to 5.5V operation
I
Low power CMOS technology
I
64-Byte page write buffer
I
1,000,000 Program/Erase cycles
I
100 year data retention
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8-pin DIP, SOIC, TSSOP and TDFN packages
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Industrial temperature range
PIN CONFIGURATION
PDIP (P, L) SOIC (J, W)
DESCRIPTION
The CAT1640 and CAT1641 are complete memory and
supervisory solutions for microcontroller-based systems.
A 64kbit serial EEPROM memory and a system power
supervisor with brown-out protection are integrated
together in low power CMOS technology. Memory
interface is via a 400kHz I
2
C bus.
The CAT1640 provides a precision V
CC
sense circuit
and drives an open drain output,
RESET
low whenever
V
CC
falls below the reset threshold voltage.
The CAT1641 provides a precision VCC sense circuit
that drives an open drain output, RESET high whenever
VCC falls below the reset threshold voltage.
The power supply monitor and reset circuit protect
memory and system controllers during power up/down
and against brownout conditions. Five reset threshold
voltages support 5V, 3.3V and 3V systems. If power
supply voltages are out of tolerance reset signals become
active, preventing the system microcontroller, ASIC or
peripherals from operating. Reset signals become inactive
typically 200 ms after the supply voltage exceeds the reset
threshold level. With both active high and low reset options,
interface to microcontrollers and other ICs is simple. In
addition, the
RESET
(CAT1640) pin can be used as an
input for push-button manual reset capability.
The CAT1640/41 memory features a 64-byte page. In
addition, hardware data protection is provided by a V
CC
sense circuit that prevents writes to memory whenever V
CC
falls below the reset threshold or until V
CC
reaches the reset
threshold during power up.
Available packages include an 8-pin DIP, SOIC, TSSOP
and 4.9 x 3mm TDFN.
TDFN PACKAGE: 4.9MM X 3MM
(RD2, ZD2)
A0
A1
VCC
RESET
SCL
SDA
A2
VSS
CAT1640
1
2
3
4
8
7
6
5
VCC
RESET
SCL
SDA
CAT1641
1
2
3
4
8
7
6
5
A0
A1
A2
VSS
1
2
3
4
8
7
6
5
VCC
RESET
SCL
SDA
CAT1640
A0
A1
A2
VSS
VCC
RESET
SCL
SDA
CAT1641
A0
A1
A2
VSS
1
2
3
4
8
7
6
5
A0
A1
VCC
RESET
SCL
SDA
A2
VSS
CAT1640
1
2
3
4
8
7
6
5
CAT1641
1
2
3
4
8
7
6
5
VCC
RESET
SCL
SDA
A0
A1
A2
VSS
TSSOP (U, Y)
相關PDF資料 |
PDF描述 |
|---|---|
| CAT1640ZD2I-25TDFN | Paired Cable; Number of Conductors:8; Conductor Size AWG:24; No. Strands x Strand Size:Solid; Jacket Material:FEP; Number of Pairs:4; Features:Unshielded; Impedance:100ohm; Leaded Process Compatible:Yes; Outer Diameter:0.195" RoHS Compliant: Yes |
| CAT1640ZD2I-25TE13 | Paired Cable; Number of Conductors:8; No. Strands x Strand Size:Solid; Jacket Material:FEP; Number of Pairs:4; Leaded Process Compatible:Yes |
| CAT1640ZD2I-25TSSOP | Supervisory Circuits with I2C Serial 64K CMOS EEPROM |
| CAT1640ZD2I-28SOIC | Supervisory Circuits with I2C Serial 64K CMOS EEPROM |
| CAT1640ZD2I-28TDFN | Paired Cable; Number of Conductors:8; Conductor Size AWG:24; No. Strands x Strand Size:Solid; Jacket Material:Polyvinylchloride (PVC); Number of Pairs:4; Leaded Process Compatible:Yes RoHS Compliant: Yes |
相關代理商/技術參數 |
參數描述 |
|---|---|
| CAT1640ZD2I-25-T2 | 制造商:ON Semiconductor 功能描述:CPU SUPERVISOR WITH 64K EEPROM - Tape and Reel |
| CAT1640ZD2I-28-T2 | 制造商:ON Semiconductor 功能描述:CPU SUPERVISOR WITH 64K EEPROM - Tape and Reel |
| CAT1640ZD2I-30-T2 | 制造商:ON Semiconductor 功能描述:CPU SUPERVISOR WITH 64K EEPROM - Tape and Reel |
| CAT1640ZD2I-42-T2 | 制造商:ON Semiconductor 功能描述:CPU SUPERVISOR WITH 64K EEPROM - Tape and Reel |
| CAT1640ZD2I-45-T2 | 制造商:ON Semiconductor 功能描述:CPU SUPERVISOR WITH 64K EEPROM - Tape and Reel |
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