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DS1744 Datasheet(PDF) 2 Page - ARTSCHIP ELECTRONICS CO.,LMITED.

Part # DS1744
Description  Y2K-Compliant, Nonvolatile Timekeeping RAMs
PDF  19 Pages
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Manufacturer  ARTSCHIP [ARTSCHIP ELECTRONICS CO.,LMITED.]
Direct Link  http://www.artschip.com/
Logo ARTSCHIP - ARTSCHIP ELECTRONICS CO.,LMITED.

DS1744 Datasheet(HTML) 2 Page - ARTSCHIP ELECTRONICS CO.,LMITED.

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DS1744/DS1744P
Y2K-Compliant, Nonvolatile Timekeeping RAMs
www.artschip.com
2
PIN DESCRIPTION
PIN
PDIP
PowerCap
NAME
FUNCTION
1
32
A14
2
30
A12
3
25
A7
4
24
A6
5
23
A5
6
22
A4
7
21
A3
8
20
A2
9
19
A1
10
18
A0
21
28
A10
23
29
A11
24
27
A9
25
26
A8
26
31
A13
Address Input
11
16
DQ0
12
15
DQ1
13
14
DQ2
15
13
DQ3
16
12
DQ4
17
11
DQ5
18
10
DQ6
19
9
DQ7
Data Input/Output
14
17
GND
Ground
20
8
Active-Low Chip-Enable Input
22
7
Active-Low Output-Enable Input
27
6
Active-Low Write-Enable Input
28
5
Vcc
Power-Supply Input
-
4
Active-Low Reset Output, Open Drain. Requires a pullup resistor for
proper operation.
-
1,2,3,33,34
N.C.
No Connection
-
X1,X2,VBAT
Crystal Connections, VBAT Battery Connection



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