DS1321E+ Maxim Integrated Products, DS1321E+ Datasheet - Page 12

• Manufacturer Part Number: DS1321E+
• Description: IC CTRL NV W/BATT MON 5V 20TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of DS1321E+

• Controller Type: Nonvolatile RAM
• Voltage - Supply: 4.75 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DATA SHEET REVISION SUMMARY
The following represent the key differences between 03/26/96 and 06/12/97 version of the DS1321 data
sheet. Please review this summary carefully.
1.
2.
3.
4.
5.
6.
7.
The following represent the key differences between 06/12/97 and 09/29/97 version of the DS1321 data
sheet. Please review this summary carefully.
1.
The following represent the key differences between 09/29/97 and 12/12/97 version of the DS1321 data
sheet. Please review this summary carefully.
1.
2.
Changed I
Changed I
Changed V
Changed R
Changed t
Changed t
Changed block diagram to show U.L. compliance
Changed AC test conditions
Removed preliminary from title bar.
Specified which inputs and outputs are relevant for C
a clarification.
PD
RPO
CCO1
CCO2
IM
BTP
from 5 typ, 15 max to 12 typ, 20 max
from 1.0 typ to 1.2 MW and 1.4 max to 1.5 MW
units from ns to ms
from 350 to 260 mA max
from 2.55 - 2.65V to 2.50 - 2.70V
from 200 to 185 mA max
12 of 12
IN
and C
OUT
specs. This is not a change, just