IDT49C465 datasheet(21/38 Pages) IDT

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11.7

IDT49C465/A

32-BIT FLOW-THRU ERROR DETECTION AND CORRECTION UNIT

MILITARY AND COMMERCIAL TEMPERATURE RANGES

DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE (Con’t.)

The following conditions apply unless otherwise specified:

Commercial: TA = 0

°C to +70°C, VCC = 5.0V ± 5%; Military: TA = –55°C to +125°C, VCC = 5.0V ± 10%

Symbol

Parameter

Test Conditions

(1)

Min.

Typ.

(2)

Max.

Unit

ICCQ

Quiescent Power Supply Current

VIN = VCC or GND

—

CMOS Input Levels

VCC = Max. All Inputs

Outputs Disabled

ICCQT

Quiescent Power Supply Current

VIH = 3.4V, VIL = 0V

—

mA/

TTL Input Levels

VCC = Max. All Inputs

input

Outputs Disabled

ICCD1

Dynamic Power Supply Current

fCP = 10MHz, 50% Duty Cycle

COM'L.

—

100

f = 10MHz

VIH = VCC, VIL = GND

Read Mode, Outputs Disabled

MIL.

—

115

ICCD2

Dynamic Power Supply Current

fCP = 20MHz, 50% Duty Cycle

COM'L.

—

200

f = 20MHz

VIH = VCC, VIL = GND

Read Mode, Outputs Disabled

MIL.

—

230

NOTES:

2552 tbl 22

1. For conditions shown as Min. or Max., use appropriate value specified above for the applicable device type.

2. Typical values are at VCC = 5.0V, +25

°C ambient temperature, and maximum loading.

3. Total supply current is the sum of the Quiescent current and the dynamic current and is calculated as follows:

ICC = ICCQ + ICCQT (NT x DT) + ICCD (fOP)

where:

NT = Total # of quiescent TTL inputs

DT = AC Duty cycle – % of time high (TTL)

fOP = Operating frequency

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