參數(shù)資料
型號： PCD3755FT
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 8-bit microcontrollers with DTMF generator, 8 kbytes OTP and 128 bytes EEPROM
中文描述： 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PDSO28
封裝： 7.50 MM, PLASTIC, SO-28
文件頁數(shù)： 22/32頁
文件大?。?/td> 200K
代理商： PCD3755FT
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
1.
2.
TONE output, EEPROM erase and write require V
DD
≥
2.5 V.
V
IL
= V
SS
; V
IH
= V
DD
; open-drain outputs connected to V
SS
; 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: T
amb
= 25
°
C; crystal connected between XTAL1 and XTAL2.
V
IL
= V
SS
; V
IH
= V
DD
; RESET, T1 and CE/T0 at V
SS
; crystal connected between XTAL1 and XTAL2; pins T1 and
CE/T0 at V
SS
.
Values are specified for DTMF frequencies only (CEPT).
Related to the Low Group Frequency (LGF) component (CEPT).
After final testing the value of each EEPROM bit is a logic 1, but this cannot be guaranteed after board assembly.
Verified on sampling basis.
3.
4.
5.
6.
7.
EEPROM
(notes 1 and 6)
CY
t/w
t
ret
endurance (erase/write cycles)
data retention time
note 7
10
5
10
years
Power-on-reset
(see Fig.16)
V
POR
Power-on-reset level
PCD3755A
PCD3755E
PCD3755F
0.8
1.5
1.5
1.3
2.0
2.0
1.8
2.5
2.5
V
V
V
Oscillator
(see Fig.17)
g
m
R
F
transconductance
feedback resistor
V
DD
= 5 V
0.2
0.3
0.4
1.0
1.0
3.0
mS
M
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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