SN74ALVC16821

3.3V 20BIT BUSINTERFACE FLIPFLOP

WITH 3STATE OUTPUTS

SCAS269A − MARCH 1993 − REVISED AUGUST 1995

5

POST OFFICE BOX 655303

POST OFFICE BOX 1443

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

VCC†

TA = − 40°C to 85°C

UNIT

PARAMETER

TEST CONDITIONS

VCC†

MIN

TYP‡

MAX

UNIT

IOH = − 100 µA

MIN to MAX

VCC −0.2

IOH = − 6 mA

VIH = 1.7 V

2.3 V

2.0

VOH

VIH = 1.7 V

2.3 V

1.7

V

VOH

IOH = − 12 mA

VIH = 2 V

2.7 V

2.2

V

IOH = − 12 mA

VIH = 2 V

3 V

2.4

IOH = − 24 mA

VIH = 2 V

3 V

2

IOL = 100 µA

MIN to MAX

0.2

IOL = 6 mA

VIL = 0.7 V

2.3 V

0.4

VOL

IOL = 12 mA

VIL = 0.7 V

2.3 V

0.7

V

VOL

IOL = 12 mA

VIL = 0.8 V

2.7 V

0.4

V

IOL = 24 mA

VIL = 0.8 V

3 V

0.55

II

VI = VCC or GND

3.6 V

±5

µA

VI = 0.7 V

2.3 V

45

VI = 1.7 V

2.3 V

−45

II(hold)

VI = 0.8 V

3 V

75

µA

II(hold)

VI = 2 V

3 V

−75

µA

VI = 0 to 3.6 V

3.6 V

±500

IOZ§

VO = VCC or GND

3.6 V

±10

µA

ICC

VI = VCC or GND,

IO = 0

3.6 V

40

µA

nICC

VCC = 3 V to 3.6 V,

One input at VCC − 0.6 V,

Other inputs at VCC or GND

750

µA

Ci

VI = VCC or GND

3.3 V

3.5

pF

Co

VO = VCC or GND

3.3 V

7

pF

† For conditions shown as MIN or MAX, use the appropriate values under recommended operating conditions.

‡ All typical values are measured at VCC = 3.3 V.

§ For I/O ports, the parameter IOZ includes the input leakage current.

timing requirements over recommended ranges of supply voltage and operating free-air

temperature (unless otherwise noted)

VCC = 2.5 V

± 0.2 V

VCC = 2.7 V

VCC = 3.3 V

± 0.3 V

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

UNIT

fclock

Clock frequency

0

150

0

150

0

150

MHz

tw

Pulse duration, CLK high or low

3.3

3.3

3.3

ns

tsu

Setup time, data before CLK

↑

High or low

4.4

3.9

3.4

ns

th

Hold time, data after CLK

↑

High or low

0

0

0

ns