MXD1210 Datasheet, PDF (4/8 Pages) Maxim Integrated Products – Nonvolatile RAM Controller

Nonvolatile RAM Controller
______________________________________________________________Pin Description
PIN
8-PIN DIP/SO 16-PIN WIDE SO
1
2
2
4
3
6
4
8
5
9
6
11
7
13
8
15
–
1, 3, 5, 7
10, 12, 14, 16
NAME
VCCO
VBATT1
TOL
GND
CE
CEO
VBATT2
VCCI
N.C.
FUNCTION
Backed-up supply to RAM
Battery 1 positive connection
Tolerance select pin
Ground
Chip-enable input
Chip-enable output
Battery 2 positive connection
5V power supply to chip
No connect, not internally connected
VCCI
VBATT1
VBATT2
CE
TOL
P
P
BATTERY
SELECT
BATTERY
TEST
FRESHNESS-
P
SEAL MODE
MXD1210
P
VCCO
N
GND
GND
VOLTAGE LEVEL
DETECTION
CEO
CONTROL
CEO
Figure 1. Block Diagram
4 _______________________________________________________________________________________