5.5 Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

TA = 25 °C

–55°C to 125°C

–40°C to 85°C

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

VOH

VI = VIH or VIL

IOH = ‐50 μΑ

4.5 V

4.4

4.4

4.4

V

IOH = ‐24 mA

4.5 V

3.94

3.7

3.8

IOH = ‐50 mA

(1)

5.5 V

3.85

IOH = ‐75 mA

(1)

5.5 V

3.85

VOL

VI = VIH or VIL

IOL = 50 μA

4.5 V

0.1

0.1

0.1

V

IOL = 24 mA

4.5 V

0.36

0.5

0.44

IOL = 50 mA

(1)

5.5 V

1.65

IOL = 75 mA

(1)

5.5 V

1.65

II

VI = VCC or GND

5.5 V

±0.1

±1

±1

μA

ICC

VI = VCC or GND,

IO = 0

5.5 V

8

160

80

μA

ΔICC

(2)

VI = VCC - 2.1 V

4.5 V to 5.5 V

2.4

3

2.8

mA

Ci

10

10

10

pF

(1)

Test one output at a time, not exceeding 1-second duration. Measurement is made by forcing indicated current and measuring voltage

to minimize power dissipation. Test verifies a minimum 50-Ω transmission-line drive capability at 85°C and 75-Ω transmission-line drive

capability at 125°C.

(2)

Additional quiescent supply current per input pin, TTL inputs high, 1 unit load

Table 5-1. Act Input Load Table

INPUT

UNIT LOAD

Data

0.58

CLR

0.67

CLK

0.92

5.6 Timing Requirements

over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted)

-55°C to 125°C

-40°C to 85°C

UNIT

MIN

MAX

MIN

MAX

fclock

Clock frequency

144

114

MHz

tw

Pulse duration

CLR low

4

3.5

ns

CLK high or low

5

4.4

tsu

Setup time before CLK↑

Data

2

2

ns

th

Hold time, data after CLK ↑

2

2

ns

trec

Recovery time, before CLK ↑

CLR↑

1

1

ns

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CD74ACT175

SCHS345A – APRIL 2003 – REVISED MAY 2024

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