CY74FCT16823T

CY74FCT162823T

4

Power Supply Characteristics

Parameter

Description

Min.

Max.

Unit

Quiescent Power Supply

Current

—

5

500

µA

∆I

CC

Quiescent Power Supply

Current (TTL inputs HIGH)

[11]

—

0.5

1.5

mA

Dynamic Power Supply

One Input Toggling,

50% Duty Cycle,

Outputs Open,

OE=CLKEN=GND

—

75

120

µA/

MHz

50% Duty Cycle,

Outputs Open,

One Bit Toggling,

OE=CLKEN=GND

—

0.8

1.7

mA

—

1.3

3.2

50% Duty Cycle,

Outputs Open,

Eighteen Bits Toggling,

OE=CLKEN=GND

—

4.2

—

9.2

Notes:

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

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

=

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.