TS68230 datasheet(49/61 Pages) STMICROELECTRONICS

номер детали	TS68230

подробное описание детали	HMOS PARALLEL INTERFACE/TIMER

PDF	61 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

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6.4 DC ELECTRICAL CHARACTERISTICS (VCC = 5.0Vdc ± 5%, TA =TL to TH unless otherwise noted)

Symbol

Parameter

Min.

Max.

Unit

VIH

Input High Voltage

All Inputs

VSS + 2.0

VCC

VIL

Input Low Voltage

All Inputs

VSS – 0.3

VSS + 0.8

IIN

Input Leakage Current (VIN = 0 to 5.25V)

H1, H3, R/W, RESET,

CLK, RS1-RS5, CS

10.0

µA

ITSI

Hi-Z Input Current (VIN = 0.4 to 2.4)

D0-D7 DTACK, PC0-PC7,

H2, H4, PA0-PA7, PB0-PB7

– 0.1

– 1.0

µA

VOH

Output High Voltage

(ILoad = – 400

µA, VCC = min)

(ILoad = – 150

µA, VCC = min)

(ILoad = – 100

µA, VCC = min)

DTACK, D0-D7

H2, H4, PB0-PB7, PA0-PA7

PC0-PC7

VSS + 2.4

VOL

Output Low Voltage

(ILoad = 8.8mA, VCC = min)

(ILoad = 5.3mA, VCC = min)

(ILoad = 2.4mA, VCC = min)

PC3/TOUT, PC5/PIRQ

D0-D7, DTACK

PA0-PA7, PB0-PB7, H2, H4,

PC0-PC2, PC4, PC6, PC7

0.5

PINT

Internal Power Dissipation (measured at T A =0

°C)

750

CIN

Input Capacitance (Vin =0, T A =25

°C, f = 1MHz)

6.5 AC ELECTRICAL SPECIFICATIONS – CLOCK TIMING (see figure 6.1)

8 MHz

1 0 MHz

Symbol

Parameter

Min.

Max.

Min.

Max.

Unit

Frequency of Operation

2.0

8.0

2.0

10.0

MHz

tcyc

Cycle Time

125

500

100

500

tCL

tCH

Clock Pulse Width

250

tCr

tCf

Rise and Fall Times

Figure 6.1 : Clock Input Timing Diagram.

TS68230

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