DS1321E+ Maxim Integrated Products, DS1321E+ Datasheet - Page 7

• 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

CAPACITANCE
AC ELECTRICAL CHARACTERISTICS
AC ELECTRICAL CHARACTERISTICS
AC ELECTRICAL CHARACTERISTICS
PARAMETER
Input Capacitance
(
Output Capacitance
(
PARAMETER
V
Write Protection
V
V
V
PARAMETER
V
V
V
PARAMETER
Battery Test to
Battery Test Cycle-Normal
Battery Test Cycle-Warning
Battery Test Pulse Width
Battery Detach to Battery Attach
Battery Attach to
CEI
CE
CEI
CEO
CC
CC
CC
CC
CC
CC
CC
to
Pulse Width
Valid to End of
Valid to
Valid to
Valid to
Slew Rate
Fail Detect to
Slew Rate
*, TOL, MODE)
*,
CEO
BW
,
Propagation Delay
RST
CEI
RST
BW
BW
)
Inactive
Valid
BW
Inactive
RST
Active
Inactive
Active
SYMBOL
SYMBOL
SYMBOL
SYMBOL
t
t
t
t
C
t
BABW
t
t
t
t
BTCW
BTPW
BDBA
BTCN
C
t
t
t
t
REC
RPU
BPU
RPD
BW
t
OUT
t
PD
CE
PU
R
F
IN
7 of 12
MIN
MIN
MIN
MIN
150
150
15
7
TYP
TYP
TYP
TYP
200
12
24
5
(-40°C to +85°C; V
(-40°C to +85°C; V
(-40°C to +85°C; V
MAX
MAX
MAX
MAX
125
350
1.5
20
15
7
7
2
1
1
1
1
UNITS
UNITS
UNITS
UNITS
ms
ms
ms
pF
pF
ns
µs
µs
µs
µs
hr
s
s
s
s
s
s
CCI
CCI
CCI
(t
A
³ V
< V
³ V
=25°C)
NOTES
NOTES
NOTES
NOTES
CCTP
CCTP
11
10
10
CCTP
10
10
10
9
)
)
)