PCA2003USLASH10ACSLASH1 datasheet(17/21 Pages) NXP

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PCA2003_2

Product data sheet

Rev. 02 — 21 July 2009

17 of 21

NXP Semiconductors

PCA2003

32 kHz watch circuit with programmable adaptive motor pulse

10. OTP programming characteristics

[1]

Program each word once only.

Table 11.

Speciﬁcations for OTP programming

See Figure 7, Figure 8 and Figure 12.

Symbol

Parameter[1]

Conditions

Min

Typ

Max

Unit

VDD

supply voltage

during programming procedure

1.5

3.0

VP(prog)(start)

programming supply voltage (start)

6.6

6.8

VP(prog)(stop)

programming supply voltage (stop)

6.2

6.4

VP(mod)

supply voltage modulation

for entering instructions

320

350

380

Vprestore

prestore voltage

for prestore pulse

6.2

6.4

Vstore

store voltage

for writing to the OTP cells

9.9

10.0

10.1

Istore

store current

for writing to the OTP cells

tp(start)

start pulse width

tp(stop)

pulse width of stop pulse

0.05

0.5

tmod

modulation pulse width

µs

tw(prestore)

prestore pulse width

0.05

0.5

tw(store)

store pulse width

for writing to the OTP cells

100

110

time 0

waiting time after start pulse

time 1

pulse distance for incrementing

the state counter

0.6

0.7

0.8

time 2

pulse distance for clocking the

data register with data = logic 0

1.6

1.7

1.8

time 3

pulse distance for clocking the

data register with data = logic 1

2.6

2.7

2.8

time 4

waiting time for writing to OTP

cells

0.1

0.2

0.3

slew rate

for modulation of the supply

voltage

0.5

5.0

µs

Rmod

modulation resistance

supply current modulation

read-out resistor

Ω

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