1338-31DCGI IDT, 1338-31DCGI Datasheet - Page 22

• Manufacturer Part Number: 1338-31DCGI
• Description: Real Time Clock .9RTC BASE
• Manufacturer: IDT

Specifications of 1338-31DCGI

• Rohs: yes
• Part # Aliases: IDT1338-31DCGI

Revision History
IDT® REAL-TIME CLOCK WITH BATTERY BACKED NON-VOLATILE RAM 22
Rev.
IDT1338
REAL-TIME CLOCK WITH BATTERY BACKED NON-VOLATILE RAM
G
M
Q
A
B
C
D
E
H
K
N
P
R
F
J
L
I
Originator
J. Sarma
L Larsen
J.Sarma
J.Sarma
J.Sarma
J.Sarma
J.Sarma
J.Sarma
J.Sarma
J.Sarma
J. Chao
J. Chao
J. Chao
S.S.
S.S.
S.S.
01/29/08 New device. Preliminary release.
03/28/08 Added new note to Part Ordering information pertaining to RoHS compliance and Pb-free devices.
04/03/04 combined -3 and -33 parts to -31
05/19/08 The part number for 16pin RoHS complaint part has now changed from IDT1338C-31SOGI to
10/29/08
11/10/08 Updated Block Diagram; Typical Operating Characteristics charts.
11/13/08 Updated graphs in “Typical Operating Characteristics; added “Typical Operating Circuit” diagram
11/18/08 Updated graphs in “Typical Operating Characteristics; updated Block Diagram; added “Battery
12/02/08 Updated Typical Operating Characteristics graphs; added marking diagrams.
11/10/09 Added “Handling, PCB Layout, and Assembly” section.
03/29/10 Added “Timeout” paragraph on page 8.
04/13/11 Updated Supply Current speficiations
09/22/11 Changed “
10/17/11 Added separate item for tVCCF in “Power-up/Down Conditions” table for 1338-31; 300 µs min.
09/20/12 1. Moved all from Fab4 to TSMC. QA requested change in the marking of only the 16-pin SOIC
12/10/12 Updated orderable parts - added “G” to 16-pin SOIC parts with SRI/SRI8. New part numbers for
02/07/13 1. Changed the Vih Min value to 0.8Vcc and the Vil Max value to +0.2Vcc on page 11. This is based
Date
Description of Change
IDT1338C-31SRI and the IDT1338C-18SOGI changed to IDT1338C-18SRI
Backed” to device title.
2, “Power-Up/Down Characteristics)
device with internal crystal to add "A" due to the fact that TSMC uses a different crystal than Fab4.
Notification of a change in orderables was initiated with PCN A1208-06.
2. Updated 16-pin SOIC marking diagram and ordering information to include "A".
16-pin SOIC will read as SRGI and SRGI8.
on new data taken on TSMC samples (old data was from Fab 4).
2. The IBATDAT current on page 12 should change from 10nA to 120nA (Typ) and from 100nA to
300nA (Max) per latest Characterization data from TSMC.
V
CC
Fall Time; V
PF(MAX)
to V
PF(MIN)
” spec from 300 µs Min. to 1ms Min. (Table
IDT1338
REV R 020713
RTC