IDT74FCT623ATSOB datasheet(3/6 Pages) IDT

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IDT54/74FCT623T/AT/CT

FAST CMOS OCTAL BUS TRANSCEIVERS (3-STATE)

6.19

DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE

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%

NOTES:

2563 tbl 05

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

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

°C ambient.

3. Not more than one output should be shorted at one time. Duration of the short circuit test should not exceed one second.

4. These are maximum IOL values per output, for 8 outputs turned on simultaneously. Total maximum IOL (all outputs) is 512mA for commercial and 384mA

for military. Derate IOL for number of outputs exceeding 8 turned on simultaneously.

5. The test limit for this parameter is

±5µA at TA = –55°C.

6. This parameter is guaranteed but not tested.

Symbol

Parameter

Test Conditions(1)

Min.

Typ.(2)

Max.

Unit

VIH

Input HIGH Level

Guaranteed Logic HIGH Level

2.0

—

VIL

Input LOW Level

Guaranteed Logic LOW Level

—

0.8

II H

Input HIGH Current(5)

VCC = Max., VI = 2.7V

—

±1

µA

II L

Input LOW Current(5)

VCC = Max., VI = 0.5V

—

±1

µA

Input HIGH Current(5)

VCC = Max., VI = VCC (Max.)

—

±1

µA

VIK

Clamp Diode Voltage

VCC = Min., IN = –18mA

—

–0.7

–1.2

IOS

Short Circuit Current

VCC = Max.(3), VO = GND

–60

–120

–225

VOH

Output HIGH Voltage

(A and B Bus)

VCC = Min.

VIN = VIH or VIL

IOH = –6mA MIL.

IOH = –8mA COM'L.

2.4

3.3

—

IOH = –12mA MIL.

IOH = –15mA COM'L.

2.0

3.0

—

VOL

Output LOW Voltage (A Bus)

VCC = Min.

VIN = VIH or VIL

IOL = 32mA MIL.(4)

IOL = 48mA COM'L.

—

0.3

0.5

VOL

Output LOW Voltage (B Bus)

VCC = Min.

VIN = VIH or VIL

IOL = 48mA MIL.(4)

IOL = 64mA COM'L.

—

0.3

0.55

IOFF

Input/Output Power Off Leakage(6)

VCC = 0V, VIN or VO

≤ 4.5V

—

±1

µA

Input Hysteresis

—

200

—

ICC

Quiescent Power Supply Current

VCC = Max., VIN = GND or VCC

—

0.01

µA

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