2003 Dec 17

14

Philips Semiconductors

Product specification

32 kHz watch circuit with programmable

adaptive motor pulse

PCA2000; PCA2001

Notes

1.

Σ (P + N).

Table 6

Specifications for OTP programming (see Figs 7, 8 and 12).

Note

1. Program each word once only.

Voltage level detector

EOL threshold voltage

silver-oxide battery

1.30

1.38

1.46

V

lithium battery

2.35

2.50

2.65

V

temperature coefficient

−−0.07 −

%/

°C

Pad RESET

output frequency

−

32

−

Hz

output voltage swing

1.4

−−

V

rise and fall time

−

1

−µs

average input current

−

10

20

nA

SYMBOL

PARAMETER(1)

MIN.

TYP.

MAX.

UNIT

supply voltage during programming procedure

1.5

−

3.0

V

supply voltage for starting programming procedure

6.6

−

6.8

V

supply voltage for stopping programming procedure

6.2

−

6.4

V

supply voltage modulation for entering instructions

320

350

380

mV

supply voltage for pre-store pulse

6.2

−

6.4

V

supply voltage for writing to the OTP cells

9.9

10.0

10.1

V

supply current for writing to the OTP cells

−−

10

mA

pulse width of start pulse

8

10

12

ms

pulse width of stop pulse

0.05

−

0.5

ms

modulation pulse width

25

30

40

µs

pulse width of pre-store pulse

0.05

−

0.5

ms

pulse width for writing to the OTP cells

95

100

110

ms

waiting time after start pulse

20

−

30

ms

pulse distance for incrementing the state counter

0.6

0.7

0.8

ms

pulse distance for clocking the data register with data = logic 0

1.6

1.7

1.8

ms

pulse distance for clocking the data register with data = logic 1

2.6

2.7

2.8

ms

waiting time for writing to OTP cells

0.1

0.2

0.3

ms

SR

slew rate for modulation of the supply voltage

0.5

−

5.0

V/

µs

supply current modulation read-out resistor

18

30

45

k

Ω

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT