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| 型號(hào)： | PCD3745AT |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 8-bit microcontroller with 4.5 kbytes OTP memory and 32 kHz real-time clock |
| 中文描述： | 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PDSO28 |
| 封裝： | 7.50 MM, PLASTIC, MS-013AE, SOT-136-1, SOP-28 |
| 文件頁(yè)數(shù)： | 20/32頁(yè) |
| 文件大小： | 156K |
| 代理商： | PCD3745AT |
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1999 Feb 02
20
Philips Semiconductors
Product specification
8-bit microcontroller with 4.5 kbytes OTP
memory and 32 kHz real-time clock
PCD3745A
Notes
1.
V
IL
= V
SS
; V
IH
= V
DD
; outputs open:
a) Maximum values: external clock at XTAL1 and XTAL2 open-circuit.
b) Typical values: at 25
°
C; crystal connected between XTAL1 and XTAL2.
V
DD
= 1.8 V; RESET, T1 and CE/T0 at V
SS
.
For proper operation of the counters the count pulse width (t
W
), negative and positive, should be 500 ns. If the
intention is to access the counters in read mode during counting, the count pulse width should be at least
2/f
xtal
+ 500 ns.
Verified on sample bases. Not tested during production.
2.
3.
4.
Port outputs
(see Figs 14, 15 and 16)
I
OL
I
OH
LOW-level port sink current
HIGH-level port pull-up source
current
V
DD
= 3 V; V
O
= 0.4 V
V
DD
= 3 V; V
O
= 2.7 V
V
DD
= 3 V; V
O
= 0 V
V
DD
= 3 V; V
O
= 2.6 V
0.7
10
0.7
3.5
30
140
3.5
300
mA
μ
A
μ
A
mA
I
OH
HIGH-level port push-pull
source current
Real-time clock 32 kHz oscillator
g
m
δ
f/f
C
I(RTC1)
C
O(RTC2)
transconductance
frequency adjustment
RTC1 pin input capacitance
RTC2 pin output capacitance
V
i(p-p)
< 50 mV
2
0.6
10
10
10
50
+0.6
μ
S
ppm
pF
pF
Clock inputs of peripheral counters (CLK1 and CLK2)
V
th(LH)
positive-going threshold
voltage
negative-going threshold
voltage
pulse width
count frequency
V
DD
= 5 V; T
amb
=
+
25
°
C; see Fig.7
0.6V
DD
V
V
th(HL)
V
DD
= 5 V; T
amb
=
+
25
°
C; see Fig.7
0.4V
DD
V
t
W
f
c
notes 3 and 4; see Fig.7
note 4
500
0
1
ns
MHz
XTAL oscillator
g
mL
R
f
LOW transconductance
feedback resistor
V
DD
= 5 V; see Fig.18
0.2
0.3
0.4
1.0
1.0
3.0
mA/V
M
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| PCD3745ATD-T | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:8-Bit Microcontroller |
| PCD3755A | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:8-bit microcontrollers with DTMF generator, 8 kbytes OTP and 128 bytes EEPROM |
| PCD3755AH | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:8-bit microcontrollers with DTMF generator, 8 kbytes OTP and 128 bytes EEPROM |
| PCD3755AP | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:8-bit microcontrollers with DTMF generator, 8 kbytes OTP and 128 bytes EEPROM |
| PCD3755AT | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:8-bit microcontrollers with DTMF generator, 8 kbytes OTP and 128 bytes EEPROM |
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