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CAT1023YI-45TE13 数据表(PDF) 3 Page - Catalyst Semiconductor |
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CAT1023YI-45TE13 数据表(HTML) 3 Page - Catalyst Semiconductor |
3 / 20 page 3 CAT1021, CAT1022, CAT1023 Doc No. 3009, Rev. K PIN DESCRIPTION RESET/ RESET RESET 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. 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) CAT102X FAMILY OVERVIEW For supervisory circuits with embedded 16k EEPROM, please refer to the CAT1161, CAT1162 and CAT1163 data sheets. e c i v e D l a u n a M t e s e R n i P t u p n I g o d h c t a W g o d h c t a W r o t i n o M n i P e t i r W n o i t c e t o r P n i P t n e d n e p e d n I y r a i l i x u A e s n e S e g a t l o V e v i t c A : T E S E R W O L d n a h g i H M O R P E E 1 2 0 1 T A C A D S k 2 2 2 0 1 T A C A D S k 2 3 2 0 1 T A C I D W k 2 4 2 0 1 T A C k 2 5 2 0 1 T A C k 2 6 2 0 1 T A C k 2 7 2 0 1 T A C I D W k 2 OPERATING TEMPERATURE RANGE Industrial -40˚C to 85˚C Extended -40˚C to 125˚C MR: MR: MR: MR: 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. |
类似零件编号 - CAT1023YI-45TE13 |
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类似说明 - CAT1023YI-45TE13 |
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