參數(shù)資料
型號： 87LPC762
廠商： NXP Semiconductors N.V.
元件分類： 微控制器/微處理器
英文描述： Low power, low price, low pin count 20 pin microcontroller with 2 kbyte OTP
中文描述： 低功耗，低價格，低管腳數(shù)的2字節(jié)OTP 20引腳微控制器
文件頁數(shù)： 49/57頁
文件大小： 312K
代理商： 87LPC762
Philips Semiconductors
Preliminary data
87LPC762
Low power, low price, low pin count (20 pin)
microcontroller with 2 kbyte OTP
2001 Oct 26
46
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
25
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
–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
0.2 V
DD
+0.9
0.7V
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
2.69
3.99
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
2.35
3.45
1.11
R
RST
V
BOLOW
V
BOHI
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
IN
is approximately 2 V.
7. Measured with port in high impedance mode.
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
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
, I
, and I
specifications are measured using an external clock with the following functions disabled: comparators, brownout
detect, and watchdog timer. For V
= 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
= 2.7 V or above, and at f
= 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.
13.Devices initially operating at V
DD
= 4.0 V or above and at f
OSC
= 20 MHz or less are guaranteed to continue to execute instructions correctly
at the brownout trip point. Initial power-on operation below V
DD
= 4.0 V and f
OSC
> 10 MHz is not guaranteed.
Internal reset pull-up resistor
Brownout trip voltage with BOV = 1
12
Brownout trip voltage with BOV = 0
Reference voltage
Temperature coefficient
Supply sensitivity
1.26
tbd
tbd
ppm/
°
C
%/V
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