W741E20X Datasheet, PDF (3/84 Pages) Winbond – 4-BIT FLASH MICROCONTROLLER

Preliminary W741E20X
• One serial transmission/receiver port specified by software
• Up to 1 µS instruction cycle (with 4 MHz operating frequency)
• Packaged in 18-pin, 20-pin, 28-pin PDIP and 20-pin, 28-pin SOP
PIN CONFIGURATIONS
RA2
(DATA) RA3
(MODE) /INT
(Vpp) /RES
VSS
RB0
RB1
RB2
RB3
W741E201
1
18
2
17
3
16
4
15
5
14
6
13
7
12
8
11
9
10
18-PDIP (300 mil)
RA1
RA0
XIN
XOUT
VDD
RC3
RC2
RC1
RC0
RA2
(DATA) RA3
(MODE) /INT
(Vpp) /RES
VSS
VSS
RB0
RB1
RB2
RB3
W741E203
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
20-PDIP (300 mil)
RA1
RA0
XIN
XOUT
VDD
VDD
RC3
RC2
RC1
RC0
W741E202/W741E205
RA2
1
(DATA) RA3
2
(MODE) /INT
3
(Vpp) /RES
4
VSS
5
RE0
6
RE1
7
RE2
8
RE3
9
RB0
10
RB1
11
RB2
12
RB3
13
NC
14
28
RA1
27
RA0
26
XIN
25
XOUT
24
VDD
23
RD3
22
RD2
21
RD1
20
RD0
19
RC3
18
RC2
17
RC1
16
RC0
15
MFP
28 SKINNY (300 mil), 28 SOP
RA2
(DATA) RA3
(MODE) /INT
(Vpp) /RES
VSS
VSS
RB0
RB1
RB2
RB3
W741E204
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
20 SOP
RA1
RA0
XIN
XOUT
VDD
VDD
RC3
RC2
RC1
RC0
Publication Release Date: March 1998
-3-
Revision A1