
W78LE365
Typical Application Circuit, continued
10.2 Expanded External Data Memory and Oscillator
10 u
8.2 K
OSCILLATOR
EA
31
XTAL1
19
XTAL2
18
RST
9
INT0
INT1
T0
T1
12
13
14
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
1
2
3
4
5
6
7
8
P0.0
P0.6
P0.7
39
38
37
36
35
34
33
32
P2.0
P2.1
P2.7
21
22
23
24
25
26
27
28
RD
WR
17
16
29
30
11
10
PALE
TXD
W78E58B
AD0
AD1
AD2
AD3
AD7
AD0
AD1
AD2
AD3
AD4
A0
A1
A2
A3
A4
A5
A6
A7
D0
D1
D2
D3
D4
D5
D6
D7
3
4
7
8
13
14
Q0
Q1
Q2
Q3
2
5
6
9
12
15
16
19
OC
G
1
11
74LS373
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A11
A14
10
9
8
7
6
5
4
3
25
24
21
23
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A13
A14
CE
OE
WR
AD0
AD1
AD2
AD3
AD5
11
12
13
15
16
17
18
19
D0
D1
D2
D3
D4
D5
D6
D7
26
1
20
22
27
2
GND
A8
A9
A10
A13
A14
GND
20256
V
DD
V
DD
Figure B
11. PACKAGE DIMENSIONS
11.1 40-pin DIP
Seating Plane
1. Dimension D Max. & S include mold flash or
tie bar burrs.
2. Dimension E1 does not include interlead flash.
3. Dimension D & E1 inclu.
are determined at the mold parting line.
4. Dimension B1 does not include dambar
6. General appearance spec. should be based on
final visual inspection spec.
1.372
1.219
0.054
0.048
Notes:
Symbol
Min.
Nom.
Max.
Max.
Nom.
Min.
Dimension in inch
Dimension in mm
0.050
1.27
0.210
5.334
0.010
0.150
0.016
0.155
0.018
0.160
0.022
3.81
0.406
0.254
3.937
0.457
4.064
0.559
0.008
0.120
0.670
0.010
0.130
0.014
0.140
0.203
3.048
0.254
3.302
0.356
3.556
0.540
0.550
0.545
13.72
13.97
13.84
17.01
15.24
14.986
15.494
0.600
0.590
0.610
2.286
2.54
2.794
0.090
0.100
0.110
A
A
A
B
B
1
c
D
E
E
1
e
L
a
A
S
1
2
1
e
2.055
2.070
52.20
52.58
0
15
0.090
2.286
0.650
0.630
16.00
16.51
protrusion/intrusion.
5. Controlling dimension: Inches.
15
0
e
A
A
a
c
E
Base Plane
1
A
1
e
L
A
S
1
E
D
1
B
B
40
21
20
1
2
Publication Release Date: August 5, 2004
- 33 -
Revision A2