STPIC44L02 datasheet(7/21 Pages) STMICROELECTRONICS

7 / 21 page

STPIC44L02

7/21

SWITCHING CHARACTERISTICS (VCC=5V, VBAT=5V, TC= 25°C, unless otherwise specified.)

Note 1: The td1 is referred to the falling edge of the first clock after the CS falls down

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

t(STBFM)

Short to Battery, Shorted

Load, Open Load Fault

Mask Time

(see figures 16, 17)

µs

t(STBDG)

Short to Battery, Shorted

Load, Deglitch Time

(see figures 16, 17)

µs

tPLH

Propagation Turn-On Delay

Time, CS or IN0-IN3 to

Gate0-Gate3

C(gate) = 400pF

3.5

µs

tPHL

Propagation Turn-Off Delay

Time, CS or IN0-IN3 to

Gate0-Gate3

C(gate) = 400pF

µs

tr1

Rise Time, Gate0-Gate3

C(gate) = 400pF

1.5

µs

tf1

Fall Time, Gate0-Gate3

C(gate) = 400pF

µs

f(SCLK)

Serial Clock Frequency

MHz

trf(SB)

Refresh Time Short to

Battery

(see figure 16)

tW)

Refresh pulse width Short

to Battery

(see figure 16)

µs

tsu1

Setup Time CS

↓ to SCLK ↓ (see note 1)

(see figure 4)

tpd1

Propagation Delay Time CS

to SDO Valid

RL =10KΩ

CL = 200pF

(see figure 6)

tpd2

Propagation Delay Time

SCLK to SDO Valid

tpd3

Propagation Delay Time CS

to SDO 3-State

RL =10KΩ

CL = 50pF

(see figure 6)

µs

tr2

Rise Time, SDO 3-State to

SDO Valid

RL =10KΩ to GND CL = 200pF

Over Battery Fault (see figure 7)

tf2

Fall Time, SDO 3-State to

SDO Valid

RL =10KΩ to GND CL = 200pF

No Fault

(see figure 8)

tr3

Rise Time, FLT

RL =10KΩ

CL = 50pF

(see figure 9)

1.2

µs

tf3

Rise Time, FLT

RL =10KΩ

CL = 50pF

(see figure 9)

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