654

Specifications HCTS374MS

TABLE 4. DC POST RADIATION ELECTRICAL PERFORMANCE CHARACTERISTICS

PARAMETER

SYMBOL

(NOTES 1, 2)

CONDITIONS

TEMPERATURE

200K RAD

LIMITS

UNITS

MIN

MAX

Quiescent Current

ICC

VCC = 5.5V, VIN = VCC or GND

-

0.75

mA

Output Current (Sink)

IOL

VCC = 4.5V, VIN = VCC or GND,

VOUT = 0.4V

6.0

-

mA

Output Current

(Source)

IOH

VCC = 4.5V, VIN = VCC or GND,

VOUT = VCC -0.4V

-6.0

-

mA

Output Voltage Low

VOL

VCC = 4.5V and 5.5V, VIH = VCC/2,

VIL = 0.8V, IOL = 50

µA

-

0.1

V

Output Voltage High

VOH

VCC = 4.5V and 5.5V, VIH = VCC/2,

VIL = 0.8V, IOH = -50

µA

VCC

-0.1

-V

Input Leakage Current

IIN

VCC = 5.5V, VIN = VCC or GND

±5

µA

Three-State Output

Leakage Current

IOZ

Applied Voltage = 0V or VCC, VCC = 5.5V

±50

µA

Noise Immunity

Functional Test

FN

VCC = 4.5V, VIH = 2.25V,

VIL = 0.8V, (Note 3)

---

Clock to Q

TPLH

VCC = 4.5V

2

31

ns

TPHL

VCC = 4.5V

2

35

ns

Enable to Output

TPZL

VCC = 4.5V

36

TPZH

VCC = 4.5V

2

29

ns

Disable to Output

TPLZ,

TPHZ

VCC = 4.5V

2

25

ns

NOTES:

1. All voltages referenced to device GND.

2. AC measurements assume RL = 500

Ω, CL = 50pF, Input TR = TF = 3ns, VIL = GND, VIH = 3V.

3. For functional tests VO

≥ 4.0V is recognized as a logic “1”, and VO ≤ 0.5V is recognized as a logic “0”.

PARAMETER

GROUP B

SUBGROUP

DELTA LIMIT

ICC

5

12

µA

IOL/IOH

5

-15% of 0 Hour

IOZL/IOZH

5

±200nA

Spec Number

518635