176

Specifications HCS157MS

TABLE 2. AC ELECTRICAL PERFORMANCE CHARACTERISTICS

PARAMETER

SYMBOL

(NOTES 1, 2)

CONDITIONS

GROUP

A SUB-

GROUPS

TEMPERATURE

LIMITS

UNITS

MIN

MAX

Propagation Delay

Data to Output

TPHL

VCC = 4.5V

9

2

26

ns

10, 11

2

30

ns

TPLH

VCC = 4.5V

9

2

20

ns

10, 11

2

24

ns

Propagation Delay

Enable to Output

TPHL

VCC = 4.5V

9

2

22

ns

10, 11

2

25

ns

TPLH

VCC = 4.5V

9

2

22

ns

10, 11

2

25

ns

Propagation Delay

Select to Output

TPHL

VCC = 4.5V

9

2

31

ns

10, 11

2

37

ns

TPLH

VCC = 4.5V

9

2

25

ns

10, 11

2

29

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

TABLE 3. ELECTRICAL PERFORMANCE CHARACTERISTICS

PARAMETER

SYMBOL

CONDITIONS

NOTES

TEMPERATURE

LIMITS

UNITS

MIN

MAX

Capacitance Power

Dissipation

CPD

VCC = 5.0V, VIH = 5.0V,

VIL = 0V, f = 1MHz

1

-

68

pF

1

-

84

pF

Input Capacitance

CIN

VCC = 5.0V, VIH = 5.0V,

VIL = 0V, f = 1MHz

1

-

10

pF

1

-

10

pF

Output Transition

Time

TTHL,

TTLH

VCC = 4.5V VIH = 4.5V,

VIL = 0V,

1

-

15

ns

1

-

22

ns

NOTE:

1. The parameters listed in Table 3 are controlled via design or process parameters. Min and Max Limits are guaranteed but not directly

tested. These parameters are characterized upon initial design release and upon design changes which affect these characteristics.

Spec Number

518833