1997 Apr 16

22

Philips Semiconductors

Product specification

8-bit microcontrollers with DTMF generator,

8 kbytes OTP and 128 bytes EEPROM

PCD3755A; PCD3755E;

PCD3755F

Notes

otherwise specified.

a) Maximum values: external clock at XTAL1 and XTAL2 open-circuit.

4. Values are specified for DTMF frequencies only (CEPT).

5. Related to the Low Group Frequency (LGF) component (CEPT).

6. After final testing the value of each EEPROM bit is a logic 1, but this cannot be guaranteed after board assembly.

7. Verified on sampling basis.

EEPROM (notes 1 and 6)

endurance (erase/write cycles)

note 7

−−

data retention time

10

−−

years

Power-on-reset (see Fig.16)

Power-on-reset level

PCD3755A

0.8

1.3

1.8

V

PCD3755E

1.5

2.0

2.5

V

PCD3755F

1.5

2.0

2.5

V

Oscillator (see Fig.17)

transconductance

0.2

0.4

1.0

mS

feedback resistor

0.3

1.0

3.0

M

Ω

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT