CD74HC390E

The CD74HC390E is a high-speed silicon-gate CMOS device and is a pin compatible with low-power Schottky TTL (LSTTL). The features of CD74HC390E are as follows: (1)Two BCD Decade or Bi-Quinary Counters; (2). One Package Can Be Configured to Divide-by-2, 4,; (3)5,10, 20, 25, 50 or 100; (4). Two Master Reset Inputs to Clear Each Decade; (5)Counter Individually; (6)Fanout (Over Temperature Range): Standard Outputs: 10 LSTTL Loads, Bus Driver Outputs:15 LSTTL Loads; (7)Wide Operating Temperature Range: -55 to 125; (8)Balanced Propagation Delay and Transition Times; (9)CD74HC390E Significant Power Reduction Compared to LSTTL Logic ICs; (10)HC Types: 2V to 6V Operation, High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V; (11)HCT Types: 4.5V to 5.5V Operation, Direct LSTTL Input Logic Compatibility, VIL= 0.8V (Max), VIH = 2V (Min); (12)CMOS Input Compatibility, Il 1A at VOL, VOH.

The absolute maximum ratings of the CD74HC390E are: (1)DC supply voltage, VCC: -0.5V to 7V; (2)DC input diode current, IIK for VI < -0.5V or VI > VCC + 0.5V: ±20mA; (3)DC output diode current, IOK for VO < -0.5V or VO > VCC + 0.5V: ±20mA; (4)DC output source or sink current per output Pin, IO For VO > -0.5V or VO < VCC + 0.5V: ±25mA; (5)DC VCC or ground current, ICC or IGND: ±50mA.

The following is about the electrical characteristics of CD74HC238EE4: (1)High Level Input Voltage: 1.5V min; (2)low Level Input Voltage: 0.5V max; (3)High Level Output Voltage CMOS Loads: 1.9V min at VIH or VIL, IO= -0.02mA; (4)High Level Output Voltage TTL Loads: 3.98V min at VIH or VIL, IO= -4mA; (5)Low Level Output Voltage CMOS Loads: 0.1V max at VIH or VIL, IO=0.02mA; (6)Low Level Output Voltage TTL Loads: 0.26V max at VIH or VIL, IO=0.02mA; (7)Input Leakage Current: ±0.1A max at VCC or GND; (8)Quiescent Device Current: 8A max at VCC or GND.