MM58174AN National Semiconductor, MM58174AN Datasheet - Page 7

• Manufacturer Part Number: MM58174AN
• Description: IC MPU CLOCK CAL 16DIP +DATA
• Manufacturer: National Semiconductor
• Type: Clock/Calendarr

Specifications of MM58174AN

• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 2.2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Memory Size: -
• Other names: *MM58174AN; 58174; MM58174

Operating Conditions
Symbol
t
t
t
t
t
t
t
t
t
t
Note 1 In order not to degrade timekeeping accuracy the number of Read strobes in any one second should be less than 10 000
Note 2 If address and read occur simultaneously then they must exist for t
t
t
t
t
t
t
t
t
Note 3 If address and write occur simultaneously then they must exist for t
Symbol
ACS0
CSR
RD
RH
RA
ACS1
AD
HZ
RW
AR
ACS0
CSW
AW
WW
DW
WA
WD
ACS1
Address Bus Valid to Chip Select ON (CS
Chip Select ON to Read Strobe
Read Cycle Access Time from
Read Strobe to Data Bus Valid
Data Hold Time from Trailing Edge of
Read Strobe
Address Bus Hold Time from
Trailing Edge of Read Strobe
Address Change to Chip Select OFF
Address Bus Valid to Data Valid
Time from Trailing Edge of Read
Strobe until Interface Device Bus
Drivers are in TRI-STATE Mode
Read Strobe Width
Address Bus Valid to Read Strobe
Address Bus Valid to Chip Select ON (CS
Chip Select ON to Write Strobe
Address Bus Valid to Write Strobe
Write Strobe Width
Data Bus Valid before Write Strobe
Address Bus Hold Time following Write Strobe
Data Bus Hold Time following Write Strobe
Address Change to Chip Select OFF (CS
TABLE IV Read Timing Data from Peripheral to Microprocessor
TABLE V Write Timing Data from Microprocessor to Peripheral
Parameter
Parameter
MM58174AN
T
A
e
e
e
e b
1)
0)
0)
AR
AW
40 C to 85 C V
a
7
and t
t
AD
WW
Min
500
Min
70
725
670
165
185
70
0
0
0
0
0
MM58174AN
0
0
0
MM58174AN
DD
1850
Max
900
330
330
e
Max
14
5V
Typ
450
500
850
40
Typ
450
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
C
C
Comments
Comments
L
L
e
e
100 pF
100 pF