W741L250 Datasheet, PDF (33/86 Pages) Winbond – 4-BIT MICROCONTROLLER

W741L250
AC CHARACTERISTICS
(VDD−VSS = 1.5V, TA = 25° C; unless otherwise specified)
PARAMETER
SYM.
CONDITIONS
Op. Frequency
Oscillator Start-up Time
Instruction Cycle Time
Reset Active Width
Interrupt Active Width
FOSC
TS
TI
TRAW
TIAW
RC type
Crystal type (Option
low-speed type only)
VDD=1.2 V, FOSC =
32.768 KHz
One machine cycle
FOSC = 32.768 KHz
FOSC = 32.768 KHz
MIN.
-
-
TYP.
-
32.768
MAX.
1000
-
UNI
T
KHz
-
1
2
S
-
4/FOSC -
mS
1
-
-
µS
1
-
-
µS
PAD ASSIGNMENT & POSITIONS
2820 µ m
3030 µ m
1 60 59 58 57 56 55 54 53 52 51 50 49 48 47
2
46
3
45
4
44
5
Y
43
6
42
7
41
8
X
40
9
(0,0)
39
10
38
11
37
12
36
13
35
14
34
15
33
16
32
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Note: The chip substrate must be connected to system ground (VSS).
- 33 -
Publication Release Date: March 1998
Revision A2