W741E260 Datasheet, PDF (39/94 Pages) Winbond – 4-BIT FLASH MICROCONTROLLER

W741E260
AC CHARACTERISTICS
(VDD-VSS = 3.0V, Ta = 25° C; unless otherwise specified)
PARAMETER
SYM.
CONDITIONS
RC type
Op. Frequency
FOSC Crystal type 1 (Option low
speed type)
Crystal type 2 (Option
high speed type)
Frequency Deviation by
∆f
Voltage Drop for RC
f
Oscillator
f(3V) − f(2.4V)
f(3V)
Instruction Cycle Time
TI
One machine cycle
Reset Active Width
TRAW FOSC = 32.768 KHz
Interrupt Active Width
TIAW FOSC = 32.768 KHz
MIN.
-
-
TYP.
-
32.768
MAX.
4000
-
UNIT
KHz
400
-
4190
-
-
10
%
-
4/FOSC
-
mS
1
-
-
µS
1
-
-
µS
PAD ASSIGNMENT AND POSITIONS
2870 µm
73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58
1
57
2
56
3
55
54
53
52
4
51
50
49
5
48
4840 µm
Y
6
7
8
X
47
(0,0)
9
10
11
12
13
46
14
45
15
44
16
43
17
42
18
41
19
40
20
39
21
38
22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
Note: The chip substrate must be connected to system ground (VSS).
- 39 -
Publication Release Date: March 1998
Revision A2