전자부품 데이터시트 검색엔진 |
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74ACT8244TTR 데이터시트(PDF) 1 Page - STMicroelectronics |
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74ACT8244TTR 데이터시트(HTML) 1 Page - STMicroelectronics |
1 / 7 page 1/7 June 2001 s OPERATES 4 LATCHES RELAIS, 1 SINGLE SIDE STABLE RELAY AND 1 LED s VERY LOW POWER CONSUMPTION s TTL COMPATIBLE INPUT THRESHOLDS s IMPROVED LATCH-UP IMMUNITY UP TO 300mA s OPERATING VOLTAGE RANGE: VCC(OPR) = 4.25V to 5.25V s AVAILABLE IN TSSOP-20 PACKAGE DESCRIPTION The device is a relais driver for line card application. It is able to operate four latching relais, one single side stable relay and one LED connected either to GND or VCC. All the outputs can be set to LOW with the RST input as shown in the true table. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 1 RST Master Reset 2 IN1A Input of 1st latched relay drv 3 IN1B Input of 1st latched relay drv 4 IN2A Input of 2nd latched relay drv 5 IN2B Input of 2nd latched relay drv 6 IN3A Input of 3rd latched relay drv 7 IN3B Input of 3rd latched relay drv 8 IN4 Input of 1st relay driver 9 IN5 Input LED driver 10 GND Ground (0V) 11 NC Not Connected 12 OUT5 Output LED driver 13 OUT4 Output of 1st relay driver 14 OU3B Output of 3rd latched relay drv 15 OU3A Output of 3rd latched relay drv 16 OU2B Output of 2nd latched relay drv 17 OU2A Output of 2nd latched relay drv 18 OU1B Output of 1st latched relay drv 19 OU1A Output of 1st latched relay drv 20 VCC Positive Supply Voltage 74ACT8244 RELAY DRIVER IC ORDER CODES PACKAGE TUBE T & R TSSOP 74ACT8244TTR TSSOP PIN CONNECTION |
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