DS1210 查看數據表（PDF） - Maxim Integrated
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DS1210 Datasheet PDF : 8 Pages
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DS1210
CAPACITANCE
PARAMETER
Input Capacitance
Output Capacitance
SYMBOL
CIN
COUT
MIN
TYP
MAX
5
7
(TA = +25°C)
UNITS NOTES
2B
pF
pF
AC ELECTRICAL CHARACTERISTICS
(Note 10; VCCI = 4.75V to 5.5V, TOL = GND)
(VCCI = 4.5V to 5.5V, TOL = VCCO)
PARAMETER
SYMBOL MIN
TYP MAX UNITS NOTES
3B
CE Propagation Delay
tPD
5
10
20
ns
6
CE High to Power-Fail
tPF
0
ns
AC ELECTRICAL CHARACTERISTICS
Recovery at Power Up
tREC
2
VCC Slew Rate Power-Down
tF
300
VCC Slew Rate Power-Down
tFB
10
VCC Slew Rate Power-Up
tR
0
CE Pulse Width
tCE
(Note 10; VCCI = 4.75V, TOL = GND)
(VCCI < 4.5, TOL = VCCO)
80
125
ms
µs
µs
µs
1.5
µs
9
NOTES:
2. All voltages are referenced to ground.
3. Only one battery input is required. Unused battery inputs must be grounded.
4. Measured with VCCO and CEO open.
5. ICC01 is the maximum average load which the DS1210 can supply to the memories.
6. Measured with a load as shown in Figure 2.
7. ICC02 is the maximum average load current which the DS1210 can supply to the memories in the battery backup mode.
8. tCE max must be met to ensure data integrity on power loss.
9. CEO can only sustain leakage current in the battery backup mode.
10. All AC and DC electrical characteristics are valid for the full temperature range. For commercial products, this range is 0
to +70°C. For industrial products (N), this range is -40°C to +85°C.
11. DS1210 is recognized by Underwriters Laboratories (UL) under file E99151.
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