KS88C2148 datasheet(31/34 Pages) SAMSUNG

Part #	KS88C2148

Description	KS88 series of 8-bit single-chip CMOS microcontrollers offers a fast and efficient CPU, a wide range of integrated peripherals, and various mask-progr

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Manufacturer	SAMSUNG [Samsung semiconductor]

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KS88C2148/P2148

KS88P2148 OTP

20-5

Table 20-4. D.C. Electrical Characteristics

(T

A = – 40

°C to + 85°C, V

DD = 2.0 V to 5.5 V)

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Operating Voltage

V

DD

f

OSC = 8 MHz

(Instruction clock = 1.33 MHz)

2.2

–

5.5

V

f

OSC = 6 MHz

(Instruction clock = 1 MHz)

2.0

Input High

voltage

V

IH1

P0 and P1

0.7 V

DD

–

V

DD

V

IH2

RESET, P2, P3, P4, and P5

0.8 V

DD

V

DD

V

IH3

X

IN, XTIN

V

DD – 0.1

V

DD

Input Low voltage

V

IL1

P0 and P1

0

–

0.3 V

DD

V

IL2

RESET, P2, P3, P4, and P5

0.2 V

DD

V

IL3

X

IN, XTIN

0.1

Output High

voltage

V

OH

V

DD = 3 V; IOH = – 200 µA

All output pins

V

DD – 1.0

–

Output Low

voltage

V

OL

V

DD = 3 V; IOL= 1 mA

All output pins

–

0.4

1.0

Input High

leakage current

I

LIH1

V

IN = VDD

All input pins except those specified

below for I

LIH2

–

1

µA

I

LIH2

V

IN = VDD

X

IN, XOUT, XTIN, and XTOUT

20

Input Low

leakage current

I

LIL1

V

IN = 0 V

All input pins except those specified

below for I

LIL2 and RESET

–

– 1

I

LIL2

V

IN = 0 V

X

IN, XOUT, XTIN, and XTOUT

– 20

Output High

leakage current

I

LOH

V

OUT = VDD

All output pins

–

1

Output Low

leakage current

I

LOL

V

OUT = 0 V

All output pins

–

– 1

|V

DD–COMi|

voltage drop

(i = 0-7)

V

DC

V

DD = 2.7 V to 5.5 V

– 15

µA per common pin

–

120

mV

|V

DD–SEGx|

voltage drop

(x = 0-31)

V

DS

V

LCD = 2.7 V to 5.5 V

– 15

µA per segment pin

–

120

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KS88C2148 Datasheet(PDF) 31 Page - Samsung semiconductor

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