參數(shù)資料
型號(hào)： 87LPC767
廠商： NXP Semiconductors N.V.
英文描述： Low power, low price, low pin count(20 pin) microcontroller with 4 kB OTP and 8-bit A/D(帶4 kB OTP和8位A/D的低功耗，低價(jià)格，少引腳（20引腳）的微控制器)
中文描述： 低功耗，低價(jià)格，低引腳數(shù)（20針）與4 KB的檢察官辦公室和8位A / D（帶4 KB的檢察官和8位A / D轉(zhuǎn)換的低功耗，低價(jià)格，少引腳（20引微控制器腳）的微控制器）
文件頁(yè)數(shù)： 52/61頁(yè)
文件大?。?/td> 296K
代理商： 87LPC767
Philips Semiconductors
Preliminary specification
87LPC767
Low power, low price, low pin count (20 pin)
microcontroller with 4 kB OTP and 8-bit A/D converter
2000 Feb 02
49
DC ELECTRICAL CHARACTERISTICS
V
DD
= 2.7 V to 6.0 V unless otherwise specified; T
amb
= 0
°
C to +70
°
C or –40
°
C to +85
°
C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
TYP
1
15
4
6
2
1
1
UNIT
MIN
MAX
20
7
10
4
10
5
I
DD
Power supply current operating
Power supply current, operating
5.0 V, 20 MHz
11
3.0 V, 10 MHz
11
5.0 V, 20 MHz
11
3.0 V, 10 MHz
11
5.0 V
11
3.0 V
11
mA
mA
mA
mA
μ
A
μ
A
V
V
V
V
V
V
V
V
V
V
V
V
pF
μ
A
μ
A
μ
A
μ
A
k
V
V
V
I
ID
Power supply current Idle mode
Power supply current, Idle mode
I
PD
Power supply current Power Down mode
Power supply current, Power Down mode
V
RAM
RAM keep-alive voltage
1.5
–0.5
–0.5
V
IL
Input low voltage (TTL input)
4.0 V < V
DD
< 6.0 V
2.7 V < V
DD
< 4.0 V
0.2 V
DD
–0.1
0.7
0.3 V
DD
V
DD
+0.5
V
DD
+0.5
V
IL1
V
IH
V
IH1
HYS
V
OL
V
OL1
Negative going threshold (Schmitt input)
Input high voltage (TTL input)
Positive going threshold (Schmitt input)
Hysteresis voltage
Output low voltage all ports
5, 9
Output low voltage all ports
5, 9
–0.5 V
DD
0.2 V
DD
+0.9
0.7 V
DD
0.4 V
DD
0.6 V
DD
0.2 V
DD
I
OL
= 3.2 mA, V
DD
= 2.7 V
I
OL
= 20 mA, V
DD
= 2.7 V
I
OH
= –20
μ
A, V
DD
= 2.7 V
I
OH
= –30
μ
A, V
DD
= 4.5 V
I
OH
= –1.0 mA, V
DD
= 2.7 V
0.4
1.0
V
OH
Output high voltage all ports
Output high voltage, all ports
3
V
DD
–0.7
V
DD
–0.7
V
DD
–0.7
V
OH1
C
IO
I
IL
I
LI
Output high voltage, all ports
4
Input/Output pin capacitance
10
Logical 0 input current, all ports
8
Input leakage current, all ports
7
15
–50
±
2
–250
–650
225
2.65
3.90
1.41
V
IN
= 0.4 V
V
IN
= V
IL
or V
IH
V
IN
= 1.5 V at V
DD
= 3.0 V
V
IN
= 2.0 V at V
DD
= 5.5 V
I
TL
Logical 1 to 0 transition current all ports
Logical 1 to 0 transition current, all ports
3, 6
–30
–150
40
2.45
3.45
1.11
R
RST
V
BO2.5
V
BO3.8
V
REF
t
C
(V
REF
)
SS
NOTES:
1. Typical ratings are not guaranteed. The values listed are at room temperature, 5 V.
2. See other Figures for details.
Active mode: I
CC(MAX)
= tbd
Idle mode: I
CC(MAX)
= tbd
3. Ports in quasi-bidirectional mode with weak pull-up (applies to all port pins with pull-ups). Does not apply to open drain pins.
4. Ports in PUSH-PULL mode. Does not apply to open drain pins.
5. In all output modes except high impedance mode.
6. Port pins source a transition current when used in quasi-bidirectional mode and externally driven from 1 to 0. This current is highest when
V
is approximately 2 V.
7. Measured with port in high impedance mode. Parameter is guaranteed but not tested at cold temperature.
8. Measured with port in quasi-bidirectional mode.
9. Under steady state (non-transient) conditions, I
OL
must be externally limited as follows:
Maximum I
OL
per port pin:
20 mA
Maximum total I
OL
for all outputs:
80 mA
Maximum total I
for all outputs:
5 mA
If I
exceeds the test condition, V
OL
may exceed the related specification. Pins are not guaranteed to sink current greater than the listed
test conditions.
10.Pin capacitance is characterized but not tested.
11. The I
DD
, I
ID
, and I
PD
specifications are measured using an external clock with the following functions disabled: comparators, brownout
detect, and watchdog timer. For V
DD
= 3 V, LPEP = 1. Refer to the appropriate figures on the following pages for additional current drawn by
each of these functions and detailed graphs for other frequency and voltage combinations.
12.Devices initially operating at V
DD
= 2.7V or above and at f
OSC
= 10 MHz or less are guaranteed to continue to execute instructions correctly
at the brownout trip point. Initial power-on operation below V
DD
= 2.7 V is not guaranteed.
Internal reset pull-up resistor
Brownout trip voltage with BOV = 1
12
Brownout trip voltage with BOV = 0
Bandgap reference voltage
Bandgap temperature coefficient
Bandgap supply sensitivity
T
amb
= 0
°
C to +70
°
C
2.5
3.8
1.26
tbd
tbd
ppm/
°
C
%/V
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