SM1124 Datasheet, PDF (3/10 Pages) Nippon Precision Circuits Inc – Multimelody IC for Pagers

SM1124 Series
Recommended Operating Conditions
V_SS = 0 V unless otherwise specified
Parameter
Supply voltage
Operating temperature
Symbol
V_DD
T_opr
Condition
Rating
Unit
min
typ
max
2.4
–
3.6
V
−20
–
70
°C
DC Characteristics
T_a = −20 to 70 °C, V_SS = 0 V, V_DD = 2.4 to 3.6 V unless otherwise specified
Parameter
Supply voltage
Current consumption (1)
Current consumption (2)
Input voltage
Hysteresis width
Input current
Open voltage
Output voltage
Symbol
Condition
Rating
Unit
min
typ
max
V_DD
2.4
3.0
3.6
V
I_DD1
Non-playback mode, 25°C
–
–
0.5
µA
I_DD2
Playback mode, MTO pin
open
–
25
200
µA
V _IH
V_DD − 0.2
–
V_DD
V
V _IL
ST, SI, SC and CLK pins
V _SS
–
V_SS + 0.2
V
V_T
0.2
1.0
–
V
I_IH1
ST, SI, SC and CLK pins,
V_IH = V_DD, 25°C
–
–
0.5
µA
I_IL1
ST, SI, SC and CLK pins,
V_IL = 0 V, 25°C
–
–
0.5
µA
I_IH2
TEST pin, V_IH = V_DD
–
–
200
µA
V_OPN
TEST pin
–
–
0.1
V
V_OH
MTO pin, I_OH = 1 mA
V_DD − 0.4
–
V_DD
V
V_OL
MTO pin, I_OL = 1 mA
V _SS
–
V_SS + 0.4
V
AC Characteristics
T_a = −20 to 70 °C, V_SS = 0 V, V_DD = 2.4 to 3.6 V unless otherwise specified
Parameter
CLK pulse cycle
CLK HIGH-level pulsewidth
CLK LOW-level pulsewidth
SC pulsewidth
SC HIGH-level pulsewidth
SC LOW-level pulsewidth
SI-SC setup time
SI-SC hold time
Symbol
Condition
Rating
Unit
min
typ
max
t_CLK
5.0
–
t_CWH
“CLK input clock” timing
2.0
–
t_CWL
2.0
–
t_SC
5.0
–
t_SWH
“SC input clock” timing
2.0
–
t_SWL
2.0
–
t_DS
“Serial input” timing
t_DH
2.0
–
2.0
–
–
µs
–
µs
–
µs
–
µs
–
µs
–
µs
–
µs
–
µs
NIPPON PRECISION CIRCUITS—3