PCA2002USLASHAA datasheet(11/20 Pages) PHILIPS

11 / 20 page

2004 Jan 20

Philips Semiconductors

Product speciﬁcation

32 kHz watch circuit with programmable

output period and pulse width

PCA2002

OTP PROGRAMMING CHARACTERISTICS

Note

1. Programme each word once only.

SYMBOL

PARAMETER(1)

MIN.

TYP.

MAX.

UNIT

VDD

supply voltage during programming procedure

1.5

−

3.0

VP(start)

supply voltage for starting programming procedure

6.6

−

6.8

VP(stop)

supply voltage for stopping programming procedure

6.2

−

6.4

VP(mod)

supply voltage modulation for entering instructions

320

350

380

Vpre-store

supply voltage for pre-store pulse

6.2

−

6.4

Vstore

supply voltage for writing to the OTP cells

9.9

10.0

10.1

Istore

supply current for writing to the OTP cells

−−

tp(start)

pulse width of start pulse

tp(stop)

pulse width of stop pulse

0.05

−

0.5

tmod

modulation pulse width

µs

tpre-store

pulse width of pre-store pulse

0.05

−

0.5

tstore

pulse width for writing to the OTP cells

100

110

waiting time after start pulse

−

pulse distance for incrementing the state counter

0.6

0.7

0.8

pulse distance for clocking the data register with

data = logic 0

1.6

1.7

1.8

pulse distance for clocking the data register with

data = logic 1

2.6

2.7

2.8

waiting time for writing to the OTP cells

0.1

0.2

0.3

slew rate for modulation of the supply voltage

0.5

−

5V/

µs

Rread

read out resistor for supply current modulation

Ω

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