參數(shù)資料
型號(hào)： 935247300112
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PDSO28
封裝： 7.50 MM, PLASTIC, SO-28
文件頁(yè)數(shù)： 15/35頁(yè)
文件大?。?/td> 243K
代理商： 935247300112
1997 Apr 16
22
Philips Semiconductors
Product specication
8-bit microcontrollers with DTMF generator,
8 kbytes OTP and 128 bytes EEPROM
PCD3755A; PCD3755E;
PCD3755F
Notes
1. TONE output, EEPROM erase and write require VDD ≥ 2.5 V.
2. VIL =VSS; VIH =VDD; open-drain outputs connected to VSS; all other outputs open; value HGF = LGF = 0, unless
otherwise specified.
a) Maximum values: external clock at XTAL1 and XTAL2 open-circuit.
b) Typical values: Tamb =25 °C; crystal connected between XTAL1 and XTAL2.
3. VIL =VSS; VIH =VDD; RESET, T1 and CE/T0 at VSS; crystal connected between XTAL1 and XTAL2; pins T1 and
CE/T0 at VSS.
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)
CYt/w
endurance (erase/write cycles)
note 7
105
tret
data retention time
10
years
Power-on-reset (see Fig.16)
VPOR
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)
gm
transconductance
VDD = 5 V
0.2
0.4
1.0
mS
RF
feedback resistor
0.3
1.0
3.0
M
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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