ISD1700 Datasheet, PDF (15/24 Pages) Winbond – Multi-Message Single-Chip Voice Record & Playback Devices

ISD1700 SERIES
9.2 AC PARAMETERS
CHARACTERISTIC SYMBOL MIN
Sampling Frequency ^[2] F_S
4
Duration ^[3]
T_Dur
TYP ^[1]
Refer to
duration
table
MAX
12
UNITS CONDITIONS
kHz ^{[2] [4]}
sec ^[3]
Rising Time
T_r
100
nsec
Falling Time
Debounce Time
T_f
T_Deb
192/F_S
100
nsec
msec ^[4]
Ramp Up Time
T_RU
128/F_S
msec
Ramp Down Time
T_RD
Initial Scan Time after T_Sc1
power is applied
128/F_S
msec
DRN/8/F_S msec DRN= device row# ^[4]
Initial Scan Time from PD T_Sc2
state
End Recording Time
T_ER
LED High Time
T_LH
LED Flash Time for SE1 T_LS1
LED Flash Time for SE2 T_LS2
LED Flash Time for SE3 T_LS3
LED Flash Time for SE4 T_LS4
SE1 Recorded Duration T_SE1
SE2 Recorded Duration T_SE2
SE3 Recorded Duration T_SE3
SE4 Recorded Duration T_SE4
Erase Time
T_E
Global Erase Wait Time T_GE1
DRN/16/F_S
3.5K/F_S
7.5K/F_S
11.5K/F_S
15.5K/F_S
10MRN/F_S
32/F_S
0.5K/F_S
4K/F_S
4K/F_S
4K/F_S
4K/F_S
20K/F_S
msec
msec
msec
sec
sec
sec
sec
sec
sec
sec
sec
sec
sec
After a PB operation
is run ^[4]
[4]
[4]
SE1 not recorded ^[5]
SE2 not recorded ^[5]
SE3 not recorded ^[5]
SE4 not recorded ^[5]
[4] [5]
[4] [5]
[4] [5]
[4] [5]
MRN=message row # ^[4]
[4] [5]
Global Erase Time
RESET Pulse
Settle Time
Settle Time after Reset
LED Error Time
T_GE2
T_Reset
T_Set1
T_Set2
T_LErr
34/F_S
1
sec
μsec All Fs ^[4]
128/F_S
msec ^[4]
64/F_S
msec ^[4]
27.5K/F_S msec ^{[4] [5]}
LED Cycle frequency
T_Cyc
1
4
Hz Pending upon F_S
Notes:
[1] _{Typical values: VCC = 4.5 V, FS = 8 kHz and @ TA = 25°C, unless otherwise stated.}
[2] _{Characterization data shows that sampling frequency resolution is ±5 percent across temperature and voltage}
ranges.
[3] _{Characterization data shows that duration resolution is ±5 percent across temperature and voltage ranges.}
[4] _{Vcc=2.4 V~5.5V}
[5] _{K = 1024}
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Publication Release Date: January 23, 2007
Revision 1.3-S2