JVC TH-A75R Service Manual page 69

• Pin function
Pin No. Symbol
1~9 A15 - A8,A19
10 NC
11 WE#
12~15 NC
16~25 A18,A17,A7 - A0
26 CE#
27 VSS
28 OE#
29~36 DQ0,DQ8,DQ1
DQ9,DQ2,DQ10
DQ3,DQ11
37 VDD
38~45 DQ4,DQ12,DQ5
DQ13,DQ6,DQ14
DQ7,DQ15
46 VSS
47 NC
48 A16
I/O
I Address inputs : To provide memory addresses.
During Sector-Erase A19 - A11 address lines will select the sector.
During Block-Erase, A19 - A15 address line will select the block.
- No connection : Unconnected pins
I Write Enable : To control the Write operations
- No connection : Unconnected pins
I Address inputs : To provide memory addresses.
During Sector-Erase A19 - A11 address lines will select the sector.
During Block-Erase, A19 - A15 address line will select the block.
I Chip Enable : To activate the device when CE# is low.
- Ground
I Output Enable : To gate the data output buffers
I/O Data input/output : To output data during Read cycles and receive input data during write cycles.
Data is internally latched during a write cycle.
The outputs are in tri-state when OE# or CE# is high.
- Power supply : To provide power supply voltage (2.7 - 3.6V)
I/O Data input/output : To output data during Read cycles and receive input data during write cycles.
Data is internally latched during a write cycle.
The outputs are in tri-state when OE# or CE# is high.
- Ground
- No connection : Unconnected pins
I Address input : To provide memory address.
During Sector-Erase A19 - A11 address lines will select the sector.
During Block-Erase, A19 - A15 address line will select the block.
Function
TH-A75R
(No.21189)1-69