CY74FCT163543

4

Power Supply Characteristics

Parameter

Description

Test Conditions

Max.

Unit

0.1

10

µA

∆I

CC

Quiescent Power Supply Current

(TTL inputs HIGH)

[8]

2.0

30

µA

Dynamic Power Supply

Toggling, 50% Duty Cycle,

Outputs Open, OE=GND

50

75

µA/MHz

50% Duty Cycle, Outputs

Open, One Bit Toggling,

OE=GND

0.5

0.8

mA

0.5

0.8

mA

50% Duty Cycle, Outputs

Open, Sixteen Bits Toggling,

OE=GND

2.0

mA

2.0

mA

[12,15]

CY74FCT163543A

CY74FCT163543C

Parameter

Description

Min.

Max.

Min.

Max.

Unit

Propagation Delay, Transparent Mode

A to B or B to A

1.5

6.5

1.5

5.1

ns

1, 3

Propagation Delay

LEBA to A, LEAB to B

1.5

8.0

1.5

5.6

ns

1, 5

Output Enable Time

OEBA or OEAB to A or B

CEBA or CEAB to A or B

1.5

9.0

1.5

7.8

ns

1, 7, 8

Output Disable Time

OEBA or OEAB to A or B

CEBA or CEAB to A or B

1.5

7.5

1.5

6.5

ns

1, 7, 8

Set-up Time HIGH or LOW

A or B to LEAB or LEBA

2.0

—

2.0

—

ns

4

Hold Time HIGH or LOW

A or B to LEAB or LEBA

2.0

—

2.0

—

ns

4

LEBA or LEAB Pulse Width LOW

4.0

—

4.0

—

ns

5

—

0.5

—

0.5

ns

—

Notes:

8.

9.

This parameter is not directly testable, but is derived for use in Total Power Supply calculations.

10.

=

=

Quiescent Current with CMOS input levels

∆I

CC

=

=

Duty Cycle for TTL inputs HIGH

=

=

Clock frequency for registered devices, otherwise zero

=

=

Input signal frequency

=

All currents are in milliamps and all frequencies are in megahertz.

12. Minimum limits are specified but not tested on Propagation Delays.

13. See “Parameter Measurement Information” in the General Information section.

14. Skew between any two outputs of the same package switching in the same directional. This parameter is ensured by design.