TPIC2801

OCTAL INTELLIGENT POWER SWITCH

WITH SERIAL INPUT

SLIS008 − D3282, AUGUST 1989 − REVISED JUNE 1990

POST OFFICE BOX 655303

POST OFFICE BOX 1443

2−7

timing requirements over receommended ranges of supply voltage and operating case

temperature (see Figure 1)

MIN

MAX

UNIT

fclock

Clock frequency, SCLK

0

500

kHz

tw(SCLKH)

Pulse duration, SCLK high

See Note 5

840

ns

tw(SCLKL)

Pulse duration, SCLK low

840

ns

tw(RST)

Pulse duration, RST low

1000

ns

tsu1

Setup time, SIOE

↓ before SCLK↑

1000

ns

tsu2

Setup time, SCLK

↓ before SIOE↑

1000

ns

tsu3

Setup time, SI high before SCLK

↓

500

ns

th1

Hold time, SI low after SCLK

↓

500

ns

tr

Rise time (SCLK, SI, SIOE)

2

µs

tf

Fall time (SCLK, SI, SIOE)

2

µs

NOTE 5: For cascaded operation, the clock pulse durations [tw (SCLKL) and tw (SCLKH) ] must be a minimum of 700 ns (giving a maximum clock

frequency of 632 kHz).

thermal characteristics

PARAMETER

MIN

MAX

UNIT

RθJC

Thermal resistance, junction-to-case temperature

3

°C/W

RθJA

Thermal resistance, junction-to-ambient temperature

35

°C/W

switching characteristics over recommended ranges of supply voltage and operating case

temperature

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

TEST CONDITIONS

MIN

MAX

UNIT

ten

Enable time

SIOE

↓

SO

CL = 20 pF,

RL = 2 kΩ,

See Figure 2

1000

ns

tdis

Disable time

SIOE

↑

SO

CL = 20 pF,

RL = 2 kΩ,

See Figure 2

1000

ns

td1

Delay time, valid data

SCLK

↑

SO

CL = 200 pF, See Figure 3

740

ns

td2

Delay time, unlatch disable

SIOE

↑

Yn

CL = 20 pF,

RL = 5 Ω,

See Figure 4

75

250

µs

tr(SO) Rise time, SO

CL = 200 pF, See Figure 3

150

ns

tf(SO) Fall time, SO

CL = 200 pF, See Figure 3

150

ns

td(on) Delay time, turn on

SIOE

↑

Yn

CL = 20 pF,

See Figure 5

RL = 28 Ω, IOL = 500 mA,

10

µs

td(off) Delay time, turn off

SIOE

↑

Yn

CL = 20 pF,

See Figure 5

RL = 28 Ω, IOL = 500 mA,

10

µs

tv

Valid time, SO output data

remains valid after SCLK high

SCLK

↑

SO

CL = 200 pF, See Figure 3

0

ns