參數(shù)資料
型號: EM23C3220
廠商: ELAN Microelctronics Corp .
英文描述: 5V Only 32M-Bit(4M×8/2M×16) Read Only Memory(5V單電源32M位CMOS ROM)
中文描述: 5V的只有32兆位(4米× 8/2M × 16),只讀存儲器(5V的單電源32兆位的CMOS光盤)
文件頁數(shù): 2/5頁
文件大?。?/td> 43K
代理商: EM23C3220
* This specification are subject to be changed without notice.
2
10.22.1997
EM23C3220 SERIES
4M X 8/2M X 16 CMOS ROM
Preliminary
BLOCK DIAGRAM
A0~A20
D0~D14
CE/CE
OE/OE
BYTE
D15/A-1
V
CC
V
SS
Address input
Data output
Chip enable input
Output enable input
Word/byte selection
D15 (word mode)/ LSB addr. (byte mode)
Power Supply pin (+5V)
Ground pin
Symbol
Function
PIN DESCRIPTIONS
FUNCTION DESCRIPTIONS
BYTE MODE (BYTE =V
SS
)
MODE
Non selected
Selected/Non output
Selected
CE
H
L
L
OE/OE
X
L/H
H/L
D15/A-1
X
X
A-1 input
D0-D7
High Z
High Z
DOUT
SUPPLY CURRENT
Standby (I
CC2
)
Operating (I
CC1
)
Operating (I
CC1
)
NOTE
1
1
1
WORD MODE (BYTE =V
CC
)
MODE
Non selected
Selected/Non output
Selected
CE
H
L
L
OE/OE
X
L/H
H/L
D15/A-1
High Z
High Z
DOUT
D0-D14
High Z
High Z
DOUT
SUPPLY CURRENT
Standby (I
CC2
)
Operating (I
CC1
)
Operating (I
CC1
)
NOTE
1
1
1
NOTE1 : X=H or L
X-DECODER
Y-DECODER
CONTROL
LOGIC
.
.
.
.
.
.
.
32M BIT
ROM ARRAY
Y-SELECT
OUTPUT
BUFFERS
.
.
.
.
.
.
.
CE/CE
OE/OE
BYTE
D15/A-1
VCC
VSS
A0~A20
ADDRESS
INPUTS
D0~D14
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