5.5

4

IDT54/74FCT162H272AT/CT/ET

FAST CMOS 12-BIT SYNCHRONOUS TRI-PORT BUS EXCHANGER

MILITARY AND COMMERCIAL TEMPERATURES RANGES

DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE (BUS HOLD)

Following Conditions Apply Unless Otherwise Specified:

NOTES:

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 tested at one time. Duration of the test should not exceed one second.

4. Pins with Bus Hold are identified in the pin description.

5. The test limit for this parameter is

6. Does not include Bus Hold I/O pins.

OUTPUT DRIVE CHARACTERISTICS FOR FCT162H272T

3071 lnk 08

Symbol

Parameter

Min.

Max.

Unit

Output LOW Current

60

115

200

mA

Output HIGH Current

–60

–115

–200

mA

Output HIGH Voltage

2.4

3.3

—

V

Output LOW Voltage

—

0.3

0.55

V

Symbol

Parameter

Min.

Max.

Unit

Input HIGH Level

Guaranteed Logic HIGH Level

2.0

—

—

V

Input LOW Level

Guaranteed Logic LOW Level

—

—

0.8

V

Input

——

±1

µA

HIGH

——

±1

Bus-Hold Input

—

—

±100

Bus-Hold I/O

—

—

±100

Input

—

—

±1

LOW

——

±1

Bus-Hold Input

—

—

±100

Bus-Hold I/O

—

—

±100

Bus Hold

Bus-Hold Input

–50

—

—

µA

Sustain

+50

—

—

High Impedance Output Current

—

—

±1

µA

—

—

±1

Clamp Diode Voltage

—

–

0.7

–

1.2

V

Short Circuit Current

–80

–

140

–

225

mA

Input Hysteresis

—

—

100

—

mV

Quiescent Power Supply Current

—

5

500

µA

3071 tbl 06