DS1677E Maxim Integrated Products, DS1677E Datasheet - Page 14

• Manufacturer Part Number: DS1677E
• Description: IC CTRLR SYSTEM PORT 20-TSSOP
• Manufacturer: Maxim Integrated Products
• Type: Portable System Controllerr

Specifications of DS1677E

• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: 3-Wire Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Memory Size: -

CAPACITANCE
AC ELECTRICAL CHARACTERISTICS
Input Capacitance
I/O Capacitance
Crystal Capacitance
Data to Clock Setup
CLK to Data Hold
CLK to Data Delay
CLK to Low Time
CLK to High Time
CLK Frequency
CLK Rise and Fall
CS to CLK Setup
CLK to CS Hold
CS Inactive Time
CS to I/O High-Z
V
V
V
Reset Active Time
Pushbutton Debounce
V
Chip Enable Propagation Delay to
External SRAM
Nominal Voltage to V
Fall Time
PFI Low to
PFI High to
ST
CC
CC
CC
CC
Pulse Width
Slew Rate (4.5V to 2.3V)
Slew Rate (2.3V to 4.5V)
Detect to
Detect to
PARAMETER
PARAMETER
PFO
PFO
RST
RST
Low
High
(V
(V
CC
CC
CC
Switchover
Falling)
Rising)
SYMBOL
SYMBOL
PB
t
t
t
t
t
t
t
t
t
t
C
t
t
t
R
t
t
CWH
C
CDH
CDD
t
t
t
CLK
CCH
CDZ
RPD
RPU
t
CED
RST
PFD
PFU
C
t
DC
CH
t
CL
CC
FB
ST
, t
I/O
R
F
X
DB
I
F
14 of 18
MIN
MIN
250
250
200
50
70
60
20
1
1
1
0
(0C to 70C; V
TYP
TYP
250
250
250
10
15
6
8
2
2
MAX
MAX
200
500
100
2.0
70
15
UNITS
UNITS
CC
MHz
ms
ms
ms
ms
pF
pF
pF
(T
s
s
s
s
s
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
=5.0V10%)
A
= +25C)
NOTES
NOTES
13, 14
6,7,8
13
13
6
6
6
6
6
6
6
6
6