M3488 datasheet(5/18 Pages) STMICROELECTRONICS

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RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Value

Unit

VCC

Supply Voltage

4.75 to 5.25

Input Voltage

0 to 5.25

Off State Input Voltage

0 to 5.25

CLOCK

Freq.

Input Clock Frequency

4.096

MHz

SYNC Freq. Input Synchronization Frequency

KHz

Top

Operating Temperature

0 to 70

°C

CAPACITANCES (measurement freq. = 1MHz; Top = 0 to 70

°C; unused pins tied to VSS)

Symbol

Parameter

Pins (*)

Min.

Typ.

Max.

Unit

Input Capacitance

6 to 15; 26 to 30; 32 to 36

CI/O

I/O Capacitance

20 to 24

Output Capacitance

1 to 4; 17 to 19; 25; 37 to 40

D.C. ELECTRICAL CHARACTERISTICS (Tamb = 0 to 70

°C, VCC =5V ±5%)

All D.C. characteristics are valid 250

µs after VCC and clock have been applied.

Symbol

Parameter

Pins (*)

Test Condition

Min.

Typ.

Max.

Unit

VILC

Clock Input Low Level

-0.3

0.8

VIHC

Clock Input High Level

2.4

VCC

VIL

Input Low Level

7 to 15

20 to 24

26 to 30

32 to 36

-0.3

0.8

VIH

Input High Level

7 to 15

20 to 24

26 to 30

32 to 36

2VCC

VOH

Output High Voltage (Level)

17 to 25

IOH = 5mA

2.4

IOH

Output High Current

VOH = 2.4V

VOL

Output Low Voltage (Level)

1 to 4

37 to 40

17 to 25

IOL = 5mA

0.4

IOL

Output Low Current

VOL = 0.4V

IIL

Input Leakage Current

6 to 15

26 to 30

32 to 36

VIN = 0 to VCC

µA

IDL

Data Bus Leakage Current

17 to 24

VIN = 0 to VCC

VCC applied; Pins 35

and 36 tied to VCC,

after Device Initialization

±5

µA

ICC

Supply Current

Clock Freq. = 4.096MHz

(*) T he pi n number i s referred to the DIP 40 ver sion.

M3488

5/18

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