CD54HC373, CD74HC373

OCTAL TRANSPARENT D-TYPE LATCHES

WITH 3-STATE OUTPUTS

SCLS452A – FEBRUARY 2001 – REVISED APRIL 2003

3

POST OFFICE BOX 655303

recommended operating conditions (see Note 3)

MIN

MAX

UNIT

VCC

Supply voltage

2

6

V

VCC = 2 V

1.5

VIH

High-level input voltage

VCC = 4.5 V

3.15

V

VCC = 6 V

4.2

VCC = 2 V

0.5

VIL

Low-level input voltage

VCC = 4.5 V

1.35

V

VCC = 6 V

1.8

VI

Input voltage

0

VCC

V

VO

Output voltage

0

VCC

V

VCC = 2 V

1000

tt

Input transition (rise and fall) time

VCC = 4.5 V

500

ns

VCC = 6 V

400

TA

Operating free-air temperature

–55

125

°C

NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,

Implications of Slow or Floating CMOS Inputs, literature number SCBA004.

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

otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

TA = 25°C

TA = –55°C

TO 125

°C

TA = –40°C

TO 85

°C

UNIT

CC

MIN

MAX

MIN

MAX

MIN

MAX

2 V

1.9

1.9

1.9

IOH = –20 µA

4.5 V

4.4

4.4

4.4

VOH

VI = VIH or VIL

6 V

5.9

5.9

5.9

V

IOH = –6 mA

4.5 V

3.98

3.7

3.84

IOH = –7.8 mA

6 V

5.48

5.2

5.34

2 V

0.1

0.1

0.1

IOL = 20 µA

4.5 V

0.1

0.1

0.1

VOL

VI = VIH or VIL

6 V

0.1

0.1

0.1

V

IOL = 6 mA

4.5 V

0.26

0.4

0.33

IOL = 7.8 mA

6 V

0.26

0.4

0.33

II

VI = VCC or 0

6 V

±0.1

±1

±1

µA

IOZ

VO = VCC or 0

6 V

±0.5

±10

±5

µA

ICC

VI = VCC or 0,

IO = 0

6 V

8

160

80

µA

Ci

10

10

10

pF

Co

20

20

20

pF