ESMT
F49L800UA/F49L800BA
Operation Temperature Condition -40°C~85°C
4. PIN CONFIGURATIONS
4.1 48-pin TSOP
A16
1
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
A15
A14
A13
A12
A11
A10
A9
BYTE
GND
DQ15/A-1
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
VCC
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
OE
2
3
4
5
6
7
8
A8
9
NC
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
NC
WE
RESET
NC
F49L800U/BA
NC
RY/BY
A18
A17
A7
A6
A5
A4
GND
CE
A3
A2
A0
A1
4.2 Pin Description
Symbol
A0~A18
Pin Name
Address Input
Functions
To provide memory addresses.
To output data when Read and receive data when Write.
DQ0~DQ14 Data Input/Output
The outputs are in tri-state when OE or CE is high.
Q15 (Word mode) /
DQ15/A-1
To bi-direction date I/O when BYTE is High
To input address when BYTE is Low
LSB addr (Byte Mode)
Chip Enable
Output Enable
Write Enable
Reset
CE
To activate the device when CE is low.
To gate the data output buffers.
OE
To control the Write operations.
WE
Hardware Reset Pin/Sector Protect Unprotect
RESET
BYTE
Word/Byte selection input To select word mode or byte mode
Ready/Busy
To check device operation status
To provide power
RY/ BY
VCC
Power Supply
Ground
GND
NC
No connection
Elite Semiconductor Memory Technology Inc.
Publication Date : Jan. 2008
Revision: 1.2 2/47
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
