W19B320STT9B
| Model | W19B320STT9B |
| Description | Flash, 2MX16, 90ns, PDSO48, TSOP-48 |
| PDF file | Total 52 pages (File size: 2M) |
| Chip Manufacturer | WINBOND |
W19B(L)320ST/B
•
#WP/ACC input pin
−
Write protect (#WP) function allows
protection of two outermost boot sectors,
regardless of sector protect status
−
Acceleration (ACC) function accelerates
program timing
•
Sector Protection
−
Sectors can be locked in-system or via
programmer
−
Temporary Sector Unprotect allows changing
data in protected sectors in-system
3. PIN CONFIGURATIONS
4. BLOCK DIAGRAM
V
DD
V
SS
(Top View, Balls Face Down)
A6
A13
48-Ball TFBGA
C6
A14
B6
A12
D6
A15
E6
A16
F6
G6
H6
#BYTE DQ15/A-1 Vss
#CE
#OE
#WE
#WP/ACC
#BYTE
#RESET
DQ15/A-1
A0
.
.
.
A20
CONTROL
OUTPUT
BUFFER
DQ0
.
.
DQ15/A-1
A5
A9
B5
A8
C5
A10
D5
A11
E5
DQ7
F5
DQ14
G5
DQ13
H5
DQ6
A4
B4
C4
NC
D4
A19
E4
DQ5
F4
DQ12
G4
V
DD
H4
DQ4
#WE #RESET
A3
A2
A7
B3
B2
A17
C3
C2
A6
D3
A20
E3
DQ2
F3
DQ10
G3
DQ11
H3
DQ3
DECODER
BANK
RY/#BY #WP/ACC A18
D2
A5
E2
DQ0
F2
DQ8
G2
DQ9
H2
DQ1
A1
A3
B1
A4
C1
A2
D1
A1
E1
A0
F1
#CE
G1
#OE
H1
Vss
5. PIN DESCRIPTION
A15
A14
A13
A12
A11
A10
A9
A8
A19
A20
#WE
#RESET
NC
#WP/ACC
RY/#BY
A18
A17
A7
A6
A5
A4
A3
A2
A1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
48-pin
TSOP
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
A16
#BYTE
Vss
DQ15/A-1
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
V
DD
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
#OE
Vss
#CE
A0
SYMBOL
A0−A20
DQ0−DQ14
DQ15/A-1
#CE
#OE
#WE
#WP/ACC
#BYTE
#RESET
RY/#BY
V
DD
Vss
NC
PIN NAME
Address Inputs
Data Inputs/Outputs
Word
mode
DQ15 is Data
Inputs/Outputs
Byte mode A-1 is Address input
Chip Enable
Output Enable
Write Enable
Hardware Write Protect/
Acceleration Pin
Byte Enable Input
Hardware Reset
Ready/Busy Status
Power Supply
Ground
No Connection
-5-
Publication Release Date: March 23, 2004
Revision A2
