W25Q16FWUUIQ-TR Datasheet, PDF (7/90 Pages) Winbond – 1.8V 16M-BIT SERIAL FLASH MEMORY WITH DUAL/QUAD SPI & QPI

W25Q16FW
3.4 Ball Configuration WLCSP
Top View
A1
A2
VCC
/CS
B1
B2
/HOLD(IO3) DO(IO1)
C1
C2
CLK /WP(IO2)
D1
DI(IO0)
D2
GND
Bottom View
A2
A1
/CS
VCC
B2
B1
DO(IO1) /HOLD(IO3)
C2
C1
/WP(IO2) CLK
D2
GND
D1
DI(IO0)
Figure 1c. W25Q16FW Ball Assignments, 8-ball WLCSP (Package Code BY)
3.5 Ball Description WLCSP
BALL NO.
PIN NAME
I/O
FUNCTION
A1
VCC
Power Supply
A2
/CS
I
Chip Select Input
B1
/HOLD (IO3)
I/O
Hold Input (Data Input Output 3)*²
B2
DO (IO1)
I/O
Data Output (Data Input Output 1)*¹
C1
CLK
I
Serial Clock Input
C2
/WP (IO2)
I/O
Write Protect Input (Data Input Output 2)*²
D1
DI (IO0)
I/O
Data Input (Data Input Output 0)*¹
D2
GND
Ground
Notes:
1. IO0 and IO1 are used for Standard and Dual SPI instructions
2. IO0 – IO3 are used for Quad SPI instructions
Publication Release Date: October 07, 2015
-6-
- Revision E