DS1314 Maxim, DS1314 Datasheet - Page 10

• Manufacturer Part Number: DS1314
• Description: The DS1314 Nonvolatile Controller with Battery Monitor is a CMOS circuit which solves the application problem of converting CMOS RAM into nonvolatile memory
• Manufacturer: Maxim

NOTES:
1. All voltages referenced to ground.
2. Measured with outputs open circuited.
3. I
4. I
5. All inputs within 0.3V of ground or V
6. I
7. Measured with a load as shown in Figure 2.
8. Chip Enable Output
9.
10.
11. t
12. In battery-backup mode, inputs must never be below ground or above V
DC TEST CONDITIONS
Outputs Open
All voltages are referenced to ground
OUTPUT LOAD Figure 2
V
V
battery-backup mode.
should be connected to these pins for proper operation. Both
CEO
BW
CE
CCO1
CCO1
CCO2
CCI
CCI
maximum must be met to ensure data integrity on power-down.
-0.2V.
-0.3V.
and
will be held high for a time equal to t
is the maximum average load which the DS1314 can supply to attached memories at V
is the maximum average load which the DS1314 can supply to attached memories at V
is the maximum average load current which the DS1314 can supply to the memories in the
RST
are open drain outputs and as such cannot source current. External pull-up resistors
CEO
can only sustain leakage current in the battery-backup mode.
* INCLUDING SCOPE AND JIG CAPACITANCE
CCI
.
REC
10 of 11
after V
AC TEST CONDITIONS
Output Load: See below
Input Pulse Levels: 0 - 3.0V
Timing Measurement Reference Levels
Input pulse Rise and Fall Times: 5 ns
CCI
Input: 1.5V
Output: 1.5V
crosses V
BW
and
CCTP
RST
on power-up.
CCO
can sink 10 mA.
.
CCO
CCO
³
³