87

Specifications HCS74MS

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

-

0.4

mA

Output Current (Sink)

IOL

VCC = 4.5V, VIN = VCC or GND,

VOUT = 0.4V

4.0

-

mA

Output Current

(Source)

IOH

VCC = 4.5V, VIN = VCC or GND,

VOUT = VCC -0.4V

-4.0

-

mA

Output Voltage Low

VOL

VCC = 4.5V and 5.5V, VIH = 0.70(VCC),

VIL = 0.30(VCC), IOL = 50

µA

-

0.1

V

Output Voltage High

VOH

VCC = 4.5V and 5.5V, VIH = 0.70(VCC),

VIL = 0.30(VCC), IOH = -50

µA

VCC

-0.1

-V

Input Leakage Current

IIN

VCC = 5.5V, VIN = VCC or GND

±5

µA

Noise Immunity

Functional Test

FN

VCC = 4.5V, VIH = 0.70(VCC),

VIL = 0.30(VCC), (Note 3)

---

CP to Q, Q

TPHL

VCC = 4.5V

2

32

ns

TPLH

VCC = 4.5V

2

31

ns

S to Q

TPLH

VCC = 4.5V

2

31

ns

S to Q

TPHL

VCC = 4.5V

2

32

ns

R to Q

TPHL

VCC = 4.5V

2

29

ns

R to Q

TPLH

VCC = 4.5V

2

30

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 = VCC.

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

6

µA

IOL/IOH

5

-15% of 0 Hour

Spec Number

518772