CY2291/CY2291F/CY2291I
CY2292/CY2292F/CY2292I
CY2295/CY2295I
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Supply Voltage............................................... –0.5V to +7.0V
DC Input Voltage............................................ –0.5V to +7.0V
Storage Temperature .................................–65°C to +150°C
Max. Soldering Temperature (10 sec) ..........................260°C
Junction Temperature...................................................150°C
Package Power Dissipation ...................................... 750 mW
Static Discharge Voltage ........................................... >2000V
(per MIL-STD-883, Method 3015)
Operating Conditions
[5]
Parameter Description Part Numbers Min. Max. Unit
V
DD
Supply Voltage, 5.0V (3.3V) operation All 4.5 (3.0) 5.5 (3.6) V
V
BATT
Battery Backup Voltage All 2.0 5.5 V
T
A
Operating Temperature, Ambient CY2291/CY2291F
CY2292/CY2292F
CY2295
0 +70 °C
CY2291I
CY2292I
CY2295I
−40 +85 °C
C
LOAD
Max. Load Capacitance 5.0V (3.3V) Operation All 25 (15) pF
f
REF
Reference Frequency All 10.0 25.0 MHz
f
REF
Reference Frequency, External Reference
Clock
[6, 7]
All 1 30 MHz
Electrical Characteristics
Parameter Description Conditions Min. Typ. Max. Unit
V
OH
[8]
HIGH-Level Output Voltage I
OH
= 4.0 mA 2.4 V
V
OL
[8]
LOW-Level Output Voltage I
OL
= 4.0 mA 0.4 V
V
OH–32
32.768-kHz HIGH-Level
Output Voltage
I
OH
= 0.5 mA V
BATT
0.5
V
V
OL–32
32.768-kHz LOW-Level
Output Voltage
I
OL
= 0.5 mA 0.4 V
V
IH
HIGH-Level Input Voltage
[9]
Except crystal pins 2.0 V
V
IL
LOW-Level Input Voltage
[9]
Except crystal pins 0.8 V
I
IH
Input HIGH Current V
IN
= V
DD
–0.5V < 1 10 µA
I
IL
Input LOW Current V
IN
= +0.5V < 1 10 µA
I
OZ
Output Leakage Current Three-state outputs 250 µA
I
DD
V
DD
Supply Current
[10]
V
DD
= V
DD
max., 5V (3.3V) operation 75(50) 100(65) mA
I
DDS
V
DD
Power Supply Current in
Shutdown Mode
[10]
Shutdown active,
excluding V
BATT
CY2291/CY2291F
CY2292/CY2292F
CY2295
10 50 µA
CY2291I
CY2292I
CY2295I
10 100 µA
I
BATT
V
BATT
Power Supply Current V
BATT
= 3.0V 5 15 µA
Notes:
5. Electrical parameters are guaranteed with these operating conditions.
6. External input reference clock must have a duty cycle between 40% and 60%, measured at V
DD
/2.
7. Please refer to application note “Crystal Oscillator Topics” for information on AC-coupling the external input reference clock.
8. All outputs swing rail to rail.
9. Xtal inputs have CMOS thresholds.
10. Load = Max., V
IN
= 0V or V
DD
, Typical (–104) configuration, CPUCLK = 66 MHz. Other configurations will vary. Power can be approximated by the following
formula (multiply by 0.65 for 3V operation):
I
DD
=10+0.06•(F
CPLL
+F
UPLL
+2•F
SPLL
)+0.27•(F
CLKA
+F
CLKB
+F
CLKC
+F
CLKD
+F
CPUCLK
+F
CLKF
+F
XBUF
).
(24 páginas)
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Comentários a estes Manuais