Datasheet

Description M41ST85W
8/43 Doc ID 7531 Rev 11
Table 1. Signal names
Figure 2. 28-pin SOIC connections
E
CON
Conditioned chip enable output
EX External chip enable
IRQ/FT/OUT Interrupt/frequency test/out output (open drain)
PFI Power fail input
PFO
Power fail output
RST Reset output (open drain)
RSTIN1
Reset 1 Input
RSTIN2 Reset 2 Input
SCL Serial clock input
SDA Serial data input/output
SQW Square wave output
WDI Watchdog input
V
CC
Supply voltage
V
OUT
Voltage output
V
SS
Ground
V
BAT
(1)
1. For 28-pin, 300 mil embedded crystal SOIC only.
Battery supply voltage
NC No connect
NF No function
AI03659
8
2
3
4
5
6
7
9
10
11
12
13
14
22
21
20
19
18
17
16
15
28
27
26
25
24
23
1
RSTIN1
RSTIN2
NC
NC
NC
NC
WDI
NC
NC
IRQ/FT/OUT
NC
V
OUT
NC
NC
EX
NC
PFI
SCL
NCNC
PFO
E
CON
V
SS
SDA
RST
NC
SQW V
CC
M41ST85W