Rainbow-electronics W78C52D Bedienungsanleitung PDF herunterladen (Seite 9)

Preliminary W78C52D

Publication Release Date: December 1998

- 9 - Revision A1

ABSOLUTE MAXIMUM RATINGS

PARAMETER SYMBOL MIN. MAX. UNIT

DC Power Supply

CC−VSS

-0.3 +7.0 V

Input Voltage VIN VSS -0.3 VCC +0.3 V

Operating Temperature TA 070

°C

Storage Temperature TST -55 +150

°C

Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the

device.

DC CHARACTERISTICS

Vss = 0V ; T

= 25° C; unless otherwise specified.

PARAMETER SYM. SPECIFICATION TEST CONDITIONS

MIN. MAX. UNIT

Operating Voltage VDD 4.5 5.5 V

Operating Current IDD -20mAVDD = 5.5V, 20 MHz, no load

Idle Current IIDLE -6mAVDD = 5.5V, 20 MHz, no load

Power Down Current IPWDN -50

µA

VDD = 5.5V, no load

Input

Input Current

P1, P2, P3, P4

IIN -50 +10

µA

VDD = 5.5V

= 0V or V

Input Leakage Current

P0,

ILK -10 +10

µA

VDD = 5.5V

SS < VIN < VDD

Input Current

RST

IIN2 -10 +300

µA

VDD = 5.5V

0 < V

IN < VDD

Logic 1-to-0 Transition Current

P1, P2, P3, P4

ITL -500 -

µA

VDD = 5.5V

= 2V

Input Low Voltage

RST

VIL2 0 0.8 V VDD = 4.5V

Input Low Voltage

P1, P2, P3, P4

VIL1 0 0.8 V VDD = 4.5V

Input Low Voltage

XTAL1

[*4]

VIL3 0 0.8 V VDD = 4.5V

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 17 18

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