MSM6597A 데이터 시트보기 (PDF) - Oki Electric Industry
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MSM6597A Datasheet PDF : 10 Pages
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¡ Semiconductor
MSM6597A-xxx
PIN DESCRIPTIONS
Pin
Symbol Type
SOP SSOP
Description
Power supply pin. Insert a bypass capacitor of 0.1 mF or more between this pin and the
12 15 VDD — GND pin.
24 30 GND — Ground pin
(SERIAL ADDRESS) This pin inputs the starting X address of a read operation.
9 12 SADX I Addressing in units of 1024 words is possible. The 1024-word address data can be
input as 10-bit (AX0 - AX9) serial data via the SADX pin.
(SERIAL ADDRESS) This pin inputs the starting Y address of a read operation.
1 1 SADY I Addressing in units of 1024 words is possible. The 1024-word address data can be
input as 10-bit (AY0 - AY9) serial data via the SADY pin.
10
13
SASX
I
(SERIAL ADDRESS STROBE) This is the clock input pin which is used to store the
serial address data of the X address into the device's internal register.
2
2
SASY
I
(SERIAL ADDRESS STROBE) This is the clock input pin which is used to store the
serial address data of the Y address into the device's internal register.
(ADDRESS TRANSFER STROBE) This is the input pin for loading the serial address
11 14 TAS I data into the internal address counter.
The X and Y addresses are stored at the falling edge of TAS.
(READ CLOCK) This is the clock input pin for reading information out of the data
15
18
RDCK
I
register. Internal operation starts at the falling edge of RDCK. The information in the
data register is output on the DOUT pin. The internal address counter is automatically
incremented by 1 at the falling edge of RDCK.
(DATA OUT) The data output pin is always kept in a high-impedance state when CS1,
CS2, and CS3 are all kept "H" or when RDCK is kept "H". This pin reflects the "H" or "L"
22 28 DOUT O level data being read, and the current data is hold until RDCH is asserted High.
4 5 CS1
(CHIP SELECT) When either CS1, CS2, or CS3 is "L", bank 1, bank 2, or bank 3 is
3
3
CS2
I
selected, respectively. Setting all three signals "H" disables all input and output
pins. These pins enable parallel use of multiple serial voice ROMs by connecting the
23 29 CS3
data output pins.
13 16 TEST I Pin for testing. Apply "L" level.
21 27 TESTO1
O Pins for testing. Leave these pins open.
14 17 TESTO2
ABSOLUTE MAXIMUM RATINGS
Parameter
Power Supply Voltage
Input Voltage
Storage Temperature
Symbol
VDD
VIN
TSTG
Condition
Ta = 25°C
Ta = 25°C
—
Rating
Unit
–0.3 to +7.0
V
–0.3 to VDD+0.3
V
–55 to +150
°C
3/9
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