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PC74HC85F PC74HC85F PC74HC85F Datasheet
3. These converters incorporate an "Under-Voltage Lockout" (UVLO) function. This function automatically disables the converter output until there is sufficient input voltage to produce a regulated output. Table 2 gives the applicable UVLO thresholds.
PC74HC85F PC74HC85F PC74HC85F Price

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Panasonic is endeavoring to continually improve the quality and reliability of these materials but there is always the possibility that further rectifications will be required in the future. Therefore, Panasonic will not assume any liability for any damages arising from any errors etc. that may ap- pear in this material.

DC Electrical Specifications (Continued)
TEST CONDITIONS vcC 250C .400C T0 85QC .55aC T0 1250C
PARAMETER SYMBOL vI (V) lo (mA) (V) MIN TYP MAX MIN MAX MIN MAX UNITS
Quiescent Device Current lcc Vcc or GND 0 6 8 80 160 o:A
HCT TYPES
High Level Input Voltage VIH 4.5 to 5 5 2 2 2 V
Low Level Input Voltage VIL 4.5 to 5 5 0.8 0.8 0.8 V
High Level Output Voltage CMOS Loads VOH VIH or VIL -0.02 4 5 4.4 4 4 4 4 V
High Level Output Voltage TTL Loads 4 4 5 3.98 3 84 3 7 V
Low Level Output Voltage CMOS Loads VOL VIH or VIL 0 02 4 5 0.1 0.1 0.1 V
Low Level Output Voltage TTL Loads 4 4 5 0.26 0 33 0.4 V
Input Leakage Current lI Vcc and GND O 5 5 +0 1 +1 +1 o:A
Quiescent Device Current lcc Vcc or GND 0 5 5 8 80 160 o:A
Additional Quiescent Device Current Per Input Pin: 1 Unit Load Clcc (Note 2) Vcc -2.1 4.5 to 5 5 100 360 450 490 o:A
NOTE: 2. For dual-supply systems theoretical worst case (VI = 2.4V, Vcc = 5.5V) specification is l.8mA. HCT Input Loading Table
INPUT UNIT LOADS
All 1.5
NOTE: Unit Load is Clcc limit specified in DC Electrical Table, e.g., 360ccA max at 250C. Prerequisite For Switching Specifications
vcc 250C .400C T0 85aC .55aC T0 1250C
PARAMETER SYMBOL (v) MIN TYP MAX MIN MAX MIN MAX UNITS
HC TYPES
An to LE Setup Time tsu 2 50 65 75 ns
4 5 10 13 15 ns
6 9 11 13 ns
An to LE Hold Time tH 2 30 40 45 ns
4 5 6 8 9 ns
6 5 7 8 ns