A.c. characteristics, Ht93lc46 – Rainbow Electronics HT93LC46 User Manual

Page 4

Advertising
background image

A.C. Characteristics

Symbol

Parameter

VCC=5V

±

10%

VCC=3V

±

10%

VCC=2V*

Unit

Min.

Max.

Min.

Max.

Min.

Max.

f

SK

Clock Frequency

0

2000

0

500

0

250

kHz

t

SKH

SK High Time

250

1000

2000

ns

t

SKL

SK Low Time

250

1000

2000

ns

t

CSS

CS Setup Time

50

200

200

ns

t

CSH

CS Hold Time

0

0

0

ns

t

CDS

CS Deselect Time

250

250

1000

ns

t

DIS

DI Setup Time

100

200

400

ns

t

DIH

DI Hold Time

100

200

400

ns

t

PD1

DO Delay to “1”

250

1000

2000

ns

t

PD0

DO Delay to “0”

250

1000

2000

ns

t

SV

Status Valid Time

250

250

ns

t

HV

DO Disable Time

100

400

400

ns

t

PR

Write Cycle Time

2

2

ms

* For Read Operating Only

A.C. test conditions

Input rise and fall time: 5ns (1V to 2V)

Input and output timing reference levels: 1.5V

Output load: See Figure right

Output load circuit

HT93LC46

4

6th May ’99

Advertising