參數(shù)資料
型號(hào): 1021LE-42TE13
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDIP8
封裝: PLASTIC, DIP-8
文件頁數(shù): 11/17頁
文件大小: 107K
代理商: 1021LE-42TE13
3
Preliminary Information
CAT1021, CAT1022, CAT1023
Doc No. 3009, Rev. E
PIN DESCRIPTION
RESET/
RESET
RESET:
RESET OUTPUTS
(RESET CAT1021/23 Only)
These are open drain pins and
RESET can 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 transfer
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.
SCL:
SERIAL CLOCK
Serial clock input.
MR:
MANUAL RESET INPUT
Manual Reset input is a debounced input that can be
connected to an external source for Manual Reset.
Pulling the MR input low will generate a Reset condition.
Reset outputs are active while
MR input is low and for
the reset timeout period after
MR returns to high. The
input has an internal pull up resistor.
WP (CAT1021 Only):
WRITE PROTECT INPUT
When WP input is tied to V
SS or left unconnected write
operations to the entire array are allowed. When tied to
V
CC, the entire array is protected. This input has an
internal pull down resistor.
WDI (CAT1023 Only): WATCHDOG TIMER INTERRUPT
Watchdog Timer Interrupt Input is used to reset the
watchdog timer. If a transition from high to low or low to
high does not occur every 1.6 seconds, the RESET
outputs will be driven active.
OPERATING TEMPERATURE RANGE
Industrial
-40C to 85C
Automotive
-40C to 105C
Extended
-40C to 125C
PIN FUNCTIONS
Pin Name
Function
NC
No Connect
RESET
Active Low Reset Input/Output
VSS
Ground
SDA
Serial Data/Address
SCL
Clock Input
RESET
Active High Reset Output (CAT1021/23)
VCC
Power Supply
WP
Write Protect (CAT1021 only)
MR
Manual Reset Input
WDI
Watchdog Timer Interrupt (CAT1023)
CAT10XX FAMILY OVERVIEW
For Supervisory circuits with embedded 16k EEPROM, please refer to the CAT1161, CAT1162 and CAT1163
data sheets.
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