參數(shù)資料
型號： Q67121-C967
廠商： SIEMENS AG
英文描述： 16-Bit CMOS Single-Chip Microcontroller
中文描述： 16位CMOS單芯片微控制器
文件頁數(shù)： 56/69頁
文件大小： 1124K
代理商： Q67121-C967
C515C
Semiconductor Group
56
1997-07-01
Power Supply Current
1) Capacitive loading on ports 0 and 2 may cause spurious noise pulses to be superimposed on the
V
OL
of ALE
and port 3. The noise is due to external bus capacitance discharging into the port 0 and port 2 pins when these
pins make 1-to-0 transitions during bus operation. In the worst case (capacitive loading > 100 pF), the noise
pulse on ALE line may exceed 0.8 V. In such cases it may be desirable to qualify ALE with a schmitt-trigger,
or use an address latch with a schmitt-trigger strobe input.
2) Capacitive loading on ports 0 and 2 may cause the
V
OH
on ALE and PSEN to momentarily fall below the
0.9
V
CC
specification when the address lines are stabilizing.
3)
I
PD
(power-down mode) is measured under following conditions:
EA = RESET = Port 0 = Port 6 =
V
CC
; XTAL1 = N.C.; XTAL2 =
V
SS
; PE/SWD =
V
SS
;
HWPD =
V
CC
;
V
AGND
=
V
SS
;
V
AREF
=
V
CC
; all other pins are disconnected.
I
PD
(hardware power-down mode) is independent of any particular pin connection.
4)
I
CC
(active mode) is measured with:
XTAL2 driven with
t
CLCH
,
t
CHCL
= 5 ns ,
V
IL
=
V
SS
+ 0.5 V,
V
IH
=
V
CC
– 0.5 V; XTAL1 = N.C.;
EA = PE/SWD = Port 0 = Port 6 =
V
CC
; HWPD =
V
CC
;
RESET =
V
SS
; all other pins are disconnected.
5)
I
CC
(idle mode) is measured with all output pins disconnected and with all peripherals disabled;
XTAL2 driven with
t
CLCH
,
t
CHCL
= 5 ns,
V
IL
=
V
SS
+ 0.5 V,
V
IH
=
V
CC
– 0.5 V; XTAL1 = N.C.;
RESET =
V
CC
; EA =
V
SS
; Port0 =
V
CC
; all other pins are disconnected;
6)
I
CC
(active mode with slow-down mode) is measured : TBD
7)
I
CC
(idle mode with slow-down mode) is measured : TBD
8) Overload conditions occur if the standard operating conditions are exceeded, ie. the voltage on any pin
exceeds the specified range (i.e.
V
OV
>
V
CC
+ 0.5 V or
V
OV
<
V
SS
- 0.5 V). The supply voltage
V
CC
and
V
SS
must
remain within the specified limits. The absolute sum of input currents on all port pins may not exceed 50 mA.
9) Not 100% tested, guaranteed by design characterization
10)The typical
I
CC
values are periodically measured at
T
A
= +25 C and
V
CC
= 5 V but not 100% tested.
11)The maximum
I
CC
values are measured under worst case conditions (
T
A
= 0 C or -40 C and
V
CC
= 5.5 V)
Parameter
Symbol
Limit Values
Unit Test Condition
typ.
10)
max.
11)
Active mode
6 MHz
10 MHz
I
CC
I
CC
I
CC
I
CC
I
CC
I
CC
I
CC
I
CC
I
PD
12.0
18.9
16.1
25.5
mA
mA
4)
Idle mode
6 MHz
10 MHz
6.9
10.5
9.8
15
mA
mA
5)
Active mode with
slow-down enabled
6 MHz
10 MHz
TBD
TBD
TBD
TBD
mA
mA
6)
Idle mode with
slow-down enabled
6 MHz
10 MHz
TBD
TBD
TBD
TBD
mA
mA
μ
A
7)
Power-down mode
TBD
50
V
CC
= 2
…
5.5 V
3)
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