W19B320ATB Datasheet, PDF (6/53 Pages) Winbond – 4M × 8/2M × 16 BITS 3V FLEXIBLE BANK FLASH MEMORY

W19B320AT/B
4. BLOCK DIAGRAM
V_DD
VSS
#CE
#OE
#WE
#WP/ACC
#BYTE
#RESET
DQ15/A-1
A0
.
.
.
A20
CONTROL
DECODER
OUTPUT
BUFFER
DQ0
.
.
DQ15/A-1
4
12
12
4
5. PIN DESCRIPTION
SYMBOL
A0−A20
DQ0−DQ14
DQ15/A-1
#CE
#OE
#WE
#WP/ACC
#BYTE
#RESET
RY/#BY
VDD
V_SS
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
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