SN74LS569A

The SN74LS569A is designed as an programmable up/down BCD and Binary counters respectively. These devices have 3-state outputs for use in bus organized systems. With the exception of output enable (OE) and asynchronous clear (ACLR), all functions occur on the positive edge of the clock pulse (CP).

Some guaranteed operating ranges of SN74LS569A have been concluded into several points as follow. (1)Its supply voltage range would be min 4.75V and typ 5.0V and max 5.25V. (2)Its operating ambient temperature range would be min 0°C and typ 25°C and max 70°C. (3)Its output current high level would be max -2.6mA. (4)Its output current low level would be max 24mA.

Also some DC characteristics of SN74LS569A are concluded as follow. (1)Its input high voltage would be min 2.0V with conditions of guaranteed input high voltage for all inputs. (2)Its input low voltage would be max 0.8V with conditions of guaranteed input low voltage for all inputs. (3)Its input clamp diode voltage would be typ -0.65V and max -1.5V with condition of Vcc=min, Iin=-18mA. (4)Its output high voltage would be min 2.4V and typ 3.1V. (5)Its output low voltage would be typ 0.25V and max 0.4V with condition of Iol=max. (6)Its input high current would be max 20uA with condition of Vcc=max and Vin=2.7V and would be max 0.1mA with conditions of Vcc=max, Vin=7.0V. (7)Its input low current would be max -0.4mA. (8)Its power supply current would be max 43mA with condition of Vcc=max. (9)Its short circuit current would be min -30mA and max -130mA.

And some AC characteristics of SN74LS569A are concluded into several points as follow. (1)Its propagation delay clock to Q would be max 15ns. (2)Its propagation delay CET to RCO would be max 14ns. (3)Its maximum toggle frequency would be min 35MHz. And so on. If you have any question or suggestion or want to know more information please contact us for details. Thank you!