DRZ9255
HX-D2
- 11 -
051-9126-00 BS62LV1024STI-70 128 x 8 bit SRAM
Terminal Description
pin 1: A 11 : IN : Address signal input.
pin 2: A 9 :IN: Address signal input.
pin 3: A 8 :IN: Address signal input.
pin 4: A 13 : IN : Address signal input.
pin 5: WE_ : IN: Write enable signal input.
pin 6: CE 2 :IN : The chip enable signal input.
pin 7: A 15 : IN : Address signal input.
pin 8: VCC : - : Positive voltage supply.
pin 9: NU : - : Not in use.
pin 10: A 16 :IN : Address signal input.
pin 11: A 14 :IN : Address signal input.
pin 12: A 12 :IN : Address signal input.
pin 13: A 7 :IN: Address signal input.
pin 14: A 6 :IN: Address signal input.
pin 15: A 5 :IN: Address signal input.
pin 16: A 4 :IN: Address signal input.
pin 17: A 3 :IN: Address signal input.
pin 18: A 2 :IN: Address signal input.
pin 19: A 1 :IN: Address signal input.
pin 20: A 0 :IN: Address signal input.
pin 21: D 0 :I/O: Data input/output.
pin 22: D 1 :I/O: Data input/output.
pin 23: D 2 :I/O: Data input/output.
pin 24: GND : - : Ground.
pin 25: D 3 :I/O: Data input/output.
pin 26: D 4 :I/O: Data input/output.
pin 27: D 5 :I/O: Data input/output.
pin 28: D 6 :I/O: Data input/output.
pin 29: D 7 :I/O: Data input/output.
pin 30: CE 1_ : IN: The chip enable signal input.
pin 31: A 10 :IN : Address signal input.
pin 32: OE_ :IN : Output enable signal input.
Truth Table
WE_ CE 1_ CE 2 OE_
(pin 5) (pin 30) (pin 6) (pin 32) I/O Operation
x H x x High Z
x x L x High Z
H L H H High Z
H L H L data out
L L H x data in
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
GND
NC
NC
VCC
051-7285-08 CD74HC4050PWR Hex Buffer
051-6709-90 PCM1792DBR 24bit 192kHz DA Converter
Terminal Description
pin 1: ZERO L : O : ZERO flag output for Left channel.
pin 2: ZERO R : O : ZERO flag output for Right channel.
pin 3: M SEL : IN: I2C/SPI_ select.
pin 4: LR CK IN :IN: Left/Right clock input.
pin 5: DATA IN :IN: Serial data input.
pin 6: B CK IN :IN: Bit clock input.
pin 7: SCK :IN: The system clock pulse input.
pin 8: D GND : - : Digital ground.
pin 9: D VDD : - : Positive voltage supply for the digital sec-
tion.
pin 10: MS :IN: Chip select for mode control.
pin 11: MDI : IN : Mode control data input.
pin 12: MC :IN: Mode control clock input.
pin 13: MD : O : Mode control read back data output.
pin 14: RSTI :IN: Reset signal input.
pin 15: A VCC : - : Positive voltage supply for the internal an-
alog section.
pin 16: A GND : - : Analog ground.
pin 17: I out R+ : O : Right channel analog signal current output
+.
pin 18: I out R- : O : Right channel analog signal current output
-.
pin 19: A GND : - : Analog ground.
pin 20: Iref : - : Output current bias.
pin 21: V com R : - : Right channel internal bias.
pin 22: V com L : - : Left channel internal bias.
pin 23: A VCC : - : Positive voltage supply for the internal an-
alog section.
pin 24: A GND : - : Analog ground.
pin 25: I out L+ : O : Left channel analog signal current output +.
pin 26: I out L- : O : Left channel analog signal current output -
.
pin 27: A GND : - : Analog ground.
pin 28: A VCC : - : Positive voltage supply for the internal an-
alog section.
1
2
3
4
VEE
VCC 8
7
6
5
051-3042-90 OPA2134UA Dual Operational Amplifier
051-3232-90 uPD29M33T 3.3V Voltage Regulator
Terminal Description
pin 1: Input(power source)
pin 2: Ground
pin 3: Output
051-3012-90 OP275GS Dual Operational Amplifier
1
2
3
4
VEE
VCC 8
7
6
5
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