DS1312+ Maxim Integrated, DS1312+ Datasheet - Page 10

• Manufacturer Part Number: DS1312+
• Description: Memory Controllers DIG SEXTET POT 20L 100K TSSOP
• Manufacturer: Maxim Integrated

Specifications of DS1312+

• Rohs: yes
• Part # Aliases: 90-13120+000

NOTES:
2. All voltages referenced to ground.
3. Measured with outputs open circuited.
4. I
V
5. I
V
6. All inputs within 0.3V of ground or V
7. I
battery backup mode.
8. Measured with a load as shown in Figure 2.
9. Chip Enable Output
10.
11.
should be connected to these pins for proper operation. Both
12. t
13. In battery-backup mode, inputs must never be below ground or above V
14. The DS1312 is recognized by Underwriters Laboratories (UL) under file E99151.
DC TEST CONDITIONS
Outputs Open
All voltages are referenced to ground
CCI
CCI
CCO1
CCO2
CCO1
CEO
BW
CE
-0.2V.
-0.3V.
maximum must be met to ensure data integrity on power-down.
is the maximum average load which the DS1312 can supply to attached memories at V
is the maximum average load current which the DS1312 can supply to the memories in the
and
is the maximum average load which the DS1312 can supply to attached memories at V
will be held high for a time equal to t
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.
CCI
.
REC
10 of 12
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
RST
CCTP
can sink 10 mA.
on power-up.
CCO
.
CCO
CCO
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