74AC16245T Просмотр технического описания (PDF) - STMicroelectronics

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производитель

74AC16245T

16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS (NON INVERTED)

STMicroelectronics 

74AC16245

CAPACITIVE CHARACTERISTICS

Test Condition

Value

Symbol

Parameter

VCC

(V)

TA = 25°C

-40 to 85°C -55 to 125°C Unit

Min. Typ. Max. Min. Max. Min. Max.

CIN Input Capacitance

CI/O

Input Output

Capacitance

CPD Power Dissipation

Capacitance

5.0

(note 1)

fIN = 10MHz

7 10

10

10 pF

14

pF

25

pF

1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without

load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/ 16(per

Latch)

TEST CIRCUIT

TEST

tPLH, tPHL

tPZL, tPLZ

tPZH, tPHZ

CL = 50 pF or equivalent (includes jig and probe capacitance)

RL = R1 = 1KΩ or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

SWITCH

Open

2VCC

GND

5/9

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