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參數(shù)資料
| 型號： | CAT1321ZD2I-28-T3 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO8 |
| 封裝： | 4.90 X 3 MM, HALOGEN FREE AND ROHS COMPLIANT, MS-229, TDFN-8 |
| 文件頁數(shù)： | 11/18頁 |
| 文件大?。?/td> | 135K |
| 代理商： | CAT1321ZD2I-28-T3 |
2
CAT1320, CAT1321
Doc. No. MD-3014, Rev. C
2008 SCILLC. All rights reserved.
Characteristics subject to change without notice.
PIN DESCRIPTION
RESET/
RESET
RESET:
RESET OUTPUTS
These are open-drain pins and
RESET can also be used
as a manual reset trigger input. By forcing a reset condition
on the pin the device will initiate and maintain a reset
condition. The RESET pin must be connected through a
pull-down resistor and the
RESET pin must be connected
through a pull-up resistor.
SDA:
SERIAL DATA ADDRESS
The bidirectional serial data/address pin is used to trans-
fer all data into and out of the device. The SDA pin is an
open drain output and can be wire-ORed with other open
drain or open collector outputs.
BLOCK DIAGRAM — CAT1320, CAT1321
PIN FUNCTIONS
Pin Name
Function
RESET
Active Low Reset Input/Output (CAT1320)
VSS
Ground
SDA
Serial Data/Address
SCL
Clock Input
RESET
Active High Reset Output (CAT1321)
VCC
Power Supply
OPERATING TEMPERATURE RANGE
Industrial
-40C to 85C
Part Dash
Minimum
Maximum
Number
Threshold
-45
4.50
4.75
-42
4.25
4.50
-30
3.00
3.15
-28
2.85
3.00
-25
2.55
2.70
Threshold Voltage Options
SCL:
SERIAL CLOCK
Serial clock input.
A0, A1, A2:
DEVICE ADDRESS INPUTS
When hardwired, up to eight CAT1320/21 devices may
be addressed on a single bus system (refer to Device
Addressing). When the pins are left unconnected, the
default values are zeros.
32kbit
DOUT
ACK
SENSE AMPS
SHIFT REGISTERS
CONTROL
LOGIC
WORD ADDRESS
BUFFERS
START/STOP
LOGIC
EEPROM
VCC
EXTERNAL LOAD
COLUMN
DECODERS
XDEC
DATA IN STORAGE
HIGH VOLTAGE/
TIMING CONTROL
VSS
SDA
RESET Controller
Precision
Vcc Monitor
STATE COUNTERS
SLAVE
ADDRESS
COMPARATORS
SCL
RESET (CAT1320)
RESET (CAT1321)
A0
A1
A2
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