W77E58 Просмотр технического описания (PDF) - Winbond
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производитель
W77E58 Datasheet PDF : 85 Pages
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Preliminary W77E58
Expanded External Data Memory and Oscillator
VCC
VCC
10 u OSCILLATOR
8.2 K
31
EA
19 XTAL1
18 XTAL2
9 RST
12 INT0
13 INT1
14
15
T0
T1
1
2
3
4
P1.0
P1.1
P1.2
P1.3
5
6
P1.4
P1.5
7
8
P1.6
P1.7
W77E58
P0.0 39 AD0 AD0 3 D0 Q0 2 A0 A0 10 A0 D0 11 AD0
P0.1 38 AD1 AD1 4 D1 Q1 5 A1 A1 9 A1 D1 12 AD1
P0.2 37 AD2 AD2 7 D2 Q2 6 A2 A2 8 A2 D2 13 AD2
P0.3 36 AD3 AD3 8 D3 Q3 9 A3 A3 7 A3 D3 15 AD3
P0.4 35 AD4 AD4 13 D4 Q4 12 A4 A4 6 A4 D4 16 AD4
P0.5 34 AD5 AD5 14 D5 Q5 15 A5 A5 5 A5 D5 17 AD5
P0.6 33 AD6 AD6 17 D6 Q6 16 A6 A6 4 A6 D6 18 AD6
P0.7 32 AD7 AD7 18 D7 Q7 19 A7 A7 3 A7 D7 19 AD7
P2.0 21 A8 GND 1 OC
A8 25 A8
A9 24 A9
P2.1
P2.2
P2.3
22 A9
23 A10
24 A11
11 G
74F373
A10 21 A10
A11 23 A11
A12 2 A12
P2.4 25 A12
A13 26 A13
P2.5 26 A13
P2.6 27 A14
A14 1 A14
P2.7 28
GND 20 CE
RD 17
WR 16
22 OE
27 WR
PSEN
ALE
29
30
TXD
RXD
11
10
20256
PACKAGE DIMENSIONS
40-pin DIP
40
E1
A A2
L
1
S
D
B
e1
B1
Figure B
21
20
E
A1
Base Plane
Seating Plane
a
eA
Symbol
Dimension in inches
Dimension in mm
Min. Nom. Max. Min. Nom. Max.
A
0.210
5.334
A1
0.010
0.254
A2
0.150 0.155 0.160 3.81 3.937 4.064
B
0.016 0.018 0.022 0.406 0.457 0.559
B1
0.048 0.050 0.054 1.219 1.27 1.372
c
0.008 0.010 0.014 0.203 0.254 0.356
D
2.055 2.070
52.20 52.58
E
0.590 0.600 0.610 14.986 15.24 15.494
E1
0.540 0.545 0.550 13.72 13.84 13.97
e1
0.090 0.100 0.110 2.286 2.54 2.794
L
0.120 0.130 0.140 3.048 3.302 3.556
a
0
15
0
15
eA
0.630 0.650 0.670 16.00 16.51 17.01
S
0.090
2.286
Notes:
1. Dimension D Max. & S include mold flash or
c
tie bar burrs.
2. Dimension E1 does not include interlead flash.
3. Dimension D & E1 include mold mismatch and
are determined at the mold p.arting line.
4. Dimension B1 does not include dambar
protrusion/intrusion.
5. Controlling dimension: Inches.
6. General appearance spec. should be based on
final visual inspection spec.
- 83 -
Publication Release Date: March 1999
Revision A1
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