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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)： | 1/5頁 |
| 文件大?。?/td> | 43K |
| 代理商： | EM23C3220 |
1
* This specification are subject to be changed without notice.
4M X 8/2M X 16 CMOS ROM
10.22.1997
Preliminary
EM23C3220 SERIES
GENERAL DESCRIPTION
The EM23C3220 series is a 5V only, 32M-bit, Read Only Memory. It is organized as 4M x 8 bits (byte mode)
or as 2M x 16 bit (word mode) depending on BYTE (pin 33/44SOP) voltage level. EM23C3220 has a static
standby mode, and has an access time of 100/120/150/200ns. it is designed to be compatible with all
microprocessors and similar applications in which high performance, large bit storage and simple interfacing are
important design considerations.
EM23C3220 offers automatic power-down, with power down controlled by the chip (CE/CE) input. When CE/
CE is not selected, the device automatically powers down and remains in a low-power standby mode as long as
CE/CE stays in the unselected mode.
The OE/OE inputs as well as CE/CE input may be programmed either active High or Low.
FEATURES
Switchable configuration.
4M x 8 (byte mode)
2M x 16 (word mode)
Single +5V power supply.
Fast access time : 100/120/150/200 ns (max).
Totally static operation.
Completely TTL compatible.
Operating current : 60 mA.
Standby current : 100
μ
A
Package:
EM23C3220EP,
EM23C3220EM ,
- 42 pins 600 mil DIP
- 44 pins 500 mil SOP.
PIN ASSIGNMENTS
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE/CE
VSS
OE/OE
D0
D8
D1
D9
D2
D10
D3
D11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
A19
A8
A9
A10
A11
A12
A13
A14
A15
A16
A20
VSS
D15/A-1
D7
D14
D6
D13
D5
D12
D4
VCC
EM23C3220EP
NC
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE/CE
VSS
OE/OE
D0
D8
D1
D9
D2
D10
D3
D11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
A20
A19
A8
A9
A10
A11
A12
A13
A14
A15
A16
BYTE
VSS
D15/A-1
D7
D14
D6
D13
D5
D12
D4
VCC
EM23C3220EM
PDIP
SOP
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| EM-24046-000 | 功能描述:麥克風(fēng) 3.61 X 3.61 X 2.21MM -56 SENS, 12SL PORT RoHS:否 制造商:Knowles Acoustics 方向性:Omnidirectional 阻抗:4.4 K Ohms 工作電壓:0.9 V to 10 V 靈敏度:- 53 dB 端接類型:Wire Leads 長度:5.56 mm 寬度:3.98 mm 深度:2.21 mm |
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| EM-24046-C05 | 功能描述:麥克風(fēng) 3.61 X 3.61 X 2.21MM -56 SENS, 12SL PORT RoHS:否 制造商:Knowles Acoustics 方向性:Omnidirectional 阻抗:4.4 K Ohms 工作電壓:0.9 V to 10 V 靈敏度:- 53 dB 端接類型:Wire Leads 長度:5.56 mm 寬度:3.98 mm 深度:2.21 mm |
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