BQ4285_14 Datasheet, PDF (21/29 Pages) Texas Instruments – Real-Time Clock (RTC) With NVRAM Control

bq4285
Data Sheet Revision History
Change
No.
1
1
1
1
2
3
4
Page No.
Description
3
12
13
13
3, 13
1, 20, 22
1, 2, 3, 13, 16,
19, 21, 23
Address strobe input
Backup cell voltage V_BC
Power-fail detect voltage V_PFD
Chip enable input current
Crystal type Daiwas DT-26 (not DT-26S)
Package option change
Package option removal
Note:
Change 1 = Nov. 1992 B changes from June 1991 A.
Change 2 = Nov. 1993 C changes from Nov. 1992 B
Change 3 = Jan. 1999 D changes from Nov. 1993 C
Change 4 = May 2004 (SLUS002A) changes from Jan. 1999 D
Natur of Change
Clarification
Was 2.0 min; is 2.5 min
Was 4.1 min, 4.25 max; is 4.0 min, 4.35 max
Additional specifiction
Clarification
PLCC last time buy
PLCC Last Time Buy Complete
23