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PCA2003 Datasheet, PDF (17/21 Pages) NXP Semiconductors – 32 kHz watch circuit with programmable adaptive motor pulse and pulse period
NXP Semiconductors
PCA2003
32 kHz watch circuit with programmable adaptive motor pulse
10. OTP programming characteristics
Table 11. Specifications for OTP programming
See Figure 7, Figure 8 and Figure 12.
Symbol
Parameter[1]
Conditions
VDD
VP(prog)(start)
VP(prog)(stop)
VP(mod)
Vprestore
Vstore
Istore
tp(start)
tp(stop)
tmod
tw(prestore)
tw(store)
t0
t1
supply voltage
during programming procedure
programming supply voltage (start)
programming supply voltage (stop)
supply voltage modulation
for entering instructions
prestore voltage
for prestore pulse
store voltage
for writing to the OTP cells
store current
for writing to the OTP cells
start pulse width
pulse width of stop pulse
modulation pulse width
prestore pulse width
store pulse width
for writing to the OTP cells
time 0
waiting time after start pulse
time 1
pulse distance for incrementing
the state counter
t2
time 2
pulse distance for clocking the
data register with data = logic 0
t3
time 3
pulse distance for clocking the
data register with data = logic 1
t4
time 4
waiting time for writing to OTP
cells
SR
slew rate
for modulation of the supply
voltage
Rmod
modulation resistance
supply current modulation
read-out resistor
[1] Program each word once only.
Min Typ Max Unit
1.5 -
3.0 V
6.6 -
6.8 V
6.2 -
6.4 V
320 350 380 mV
6.2 -
6.4 V
9.9 10.0 10.1 V
-
-
10 mA
8
10 12 ms
0.05 -
0.5 ms
25 30 40 µs
0.05 -
0.5 ms
95 100 110 ms
20 -
30 ms
0.6 0.7 0.8 ms
1.6 1.7 1.8 ms
2.6 2.7 2.8 ms
0.1 0.2 0.3 ms
0.5 -
5.0 V/µs
18 30 45 kΩ
PCA2003_1
Product data sheet
Rev. 01 — 15 December 2008
© NXP B.V. 2008. All rights reserved.
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