IDT1338
REAL-TIME CLOCK WITH BATTERY BACKED NON-VOLATILE RAM RTC
IDT®
REAL-TIME CLOCK WITH BATTERY BACKED NON-VOLATILE RAM 16
IDT1338 REV P 092012
Thermal Characteristics for 8MSOP
Thermal Characteristics for 8SOIC
Thermal Characteristics for 16SOIC
Parameter Symbol Conditions Min. Typ. Max. Units
Thermal Resistance Junction to
Ambient
θ
JA
Still air 95 ° C/W
Thermal Resistance Junction to Case θ
JC
48 ° C/W
Parameter Symbol Conditions Min. Typ. Max. Units
Thermal Resistance Junction to
Ambient
θ
JA
Still air 150 ° C/W
θ
JA
1 m/s air flow 140 ° C/W
θ
JA
3 m/s air flow 120 ° C/W
Thermal Resistance Junction to Case θ
JC
40 ° C/W
Parameter Symbol Conditions Min. Typ. Max. Units
Thermal Resistance Junction to
Ambient
θ
JA
Still air 120 ° C/W
θ
JA
1 m/s air flow 115 ° C/W
θ
JA
3 m/s air flow 105 ° C/W
Thermal Resistance Junction to Case θ
JC
58 ° C/W
IDT1338
REAL-TIME CLOCK WITH BATTERY BACKED NON-VOLATILE RAM RTC
IDT®
REAL-TIME CLOCK WITH BATTERY BACKED NON-VOLATILE RAM 17
IDT1338 REV P 092012
Marking Diagram (8 MSOP)
Marking Diagram
(8 SOIC)
Notes:
1. ‘#’ is the lot number.
2. ‘$’ is the assembly mark code.
3. ‘**’ is the lot sequence.
4. YYWW is the last two digits of the year and week that the
part was assembled.
5. “G” denotes RoHS compliant package.
6. “I” denotes industrial grade.
7. Bottom marking: country of origin if not USA.
Marking Diagram (16 SOIC)
IDT1338
-31DCGI
#YYWW$
14
58
IDT1338-31DCGI
IDT1339
-18DCGI
#YYWW$
14
58
IDT1338-18DCGI
1
8
916
IDT
1338AC-31
SRI
YYWW**$
IDT1338AC-31SRI
1
8
916
IDT
1338AC-18
SRI
YYWW$
IDT1338AC-18SRI
IDT1338
REAL-TIME CLOCK WITH BATTERY BACKED NON-VOLATILE RAM RTC
IDT®
REAL-TIME CLOCK WITH BATTERY BACKED NON-VOLATILE RAM 18
IDT1338 REV P 092012
Package Outline and Package Dimensions (8-pin SOIC, 150 Mil. Body)
Package dimensions are kept current with JEDEC Publication No. 95
INDEX
AREA
1 2
8
D
E
SEATING
PLANE
A1
A
e
- C -
B
.10 (.004)
C
C
L
H
h x 45
Millimeters Inches
Symbol Min Max Min Max
A 1.35 1.75 .0532 .0688
A1 0.10 0.25 .0040 .0098
B 0.330.51.013.020
C 0.19 0.25 .0075 .0098
D 4.80 5.00 .1890 .1968
E 3.80 4.00 .1497 .1574
e 1.27 BASIC 0.050 BASIC
H 5.80 6.20 .2284 .2440
h 0.250.50.010.020
L 0.401.27.016.050
α 0° 8° 0° 8°

1338C-31SRI

Mfr. #:
Manufacturer:
IDT
Description:
Real Time Clock Real Time Clock with Embedded Crystal
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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