SC-614
Data sheet
4
P/N 80-0210-C
© 2003 Sensory Inc.
Absolute Maximum Ratings
Absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†
Supply voltage, VDD (see Note 1)
–0.3 to 7 V
Supply current, IDD (see Note 2)
35 mA
Input voltage range, VI (see Note 1)
–0.3 to VDD + 0.3 V
Output voltage range, VO (see Note 1)
–0.3 to VDD + 0.3 V
Storage temperature range, TA
–30
°C to 125°C
WARNING:
Stressing the SC-614 beyond the “Absolute Maximum
Ratings” may cause permanent damage. These are
stress ratings only. Operation beyond the “Operating
Conditions” is not recommended and extended
exposure beyond the “Operating Conditions” may
affect device reliability.
NOTES: 1. Unless otherwise noted, all voltages are measured with respect to VSS.
2. The total supply current includes the current out of all the I/O pins as well as the operating current of the device.
Recommended Operating Conditions
MIN
MAX
UNIT
Supply voltage (with respect to VSS), VDD
3
5.2
V
CPU clock rate (as programmed), f(CPU)
64
12,320
kHz
Load resistance between DACP and DACM
, R(DAC)
32
Ω
Operating free-air temperature, TA
Device functionality
0
70
°C
Timing Requirements
MIN
MAX
UNIT
t(RESET)
Reset low pulse width, while VDD is within specified limits
100
ns
t1(WIDTH)
Pulse width required prior to a negative transition at pin PD3, PD5, or PF0 → PF7
‡
2
1/FCPU
t2(WIDTH)
Pulse width required prior to a positive transition at pin PD2 or PD4
†
2
1/FCPU
‡ While these pins are being used as interrupt inputs.
t
(RESET)
t
(RESET)
Figure 1: Initialization Timing Diagram
t1
(WIDTH)
t2
(WIDTH)
t1
(WIDTH (PD3, PD5, or F port))
t2
(WIDTH (PD2, or PD4))
Figure 2: External Interrupt Pin Pulse Width Requirements t1WIDTH and t2WIDTH
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