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CMOS DRAM



Vanguard International Semiconductor 로고
Vanguard International Semiconductor
VG26V17405FJ 데이터시트, 핀배열, 회로
www.DataSheet4U.com
VIS
VG26(V)(S)17405FJ
Description
4,194,304 x 4 - Bit
CMOS Dynamic RAM
The device CMOS Dynamic RAM organized as 4,194,304 words x 4 bits with extended data out access
mode. It is fabricated with an advanced submicron CMOS technology and designed to operate from a single
5V only or 3.3V oniy power supply. Low voltage operation is more suitable to be used on battery backup,
portable electronic application. A new refresh feature called “self-refresh” is supported and very slow CBR
cycles are being performed. lt is packaged in JEDEC standard 26/24-pin plastic SOJ.
Features
• Single 5V( ±10 %) or 3.3V(+10%,-5%) only power supply
• High speed tRAC acess time: 50/60ns
• Low power dissipation
- Active wode : 5V version 660/605 mW (Mas)
3.3V version 432/396 mW (Mas)
- Standby mode: 5V version 1.375 mW (Mas)
3.3V version 0.54 mW (Mas)
• Extended - data - out(EDO) page mode access
• I/O level: TTL compatible (Vcc = 5V)
LVTTL compatible (Vcc = 3.3V)
DataSheet4U.com
• 2048 refresh cycle in 32 ms(Std.) or 128 ms(S-version)
• 4 refresh modesh:
- RAS only refresh
- CAS - before - RAS refresh
- Hidden refresh
- Self-refresh(S-version)
DataShee
DataSheet4U.com
Document:1G5-0162
DataSheet4 U .com
Rev.1
Page 1


VG26V17405FJ 데이터시트, 핀배열, 회로
www.DataSheet4U.com
VIS
VG26(V)(S)17405FJ
Pin Configuration
26/24-PIN 300mil Plastic SOJ
VCC
DQ1
DQ2
WE
RAS
NC
A10
A0
A1
A2
A3
VCC
1
2
3
4
5
6
8
9
10
11
12
13
26 VSS
25 DQ4
24 DQ3
23 CAS
22 OE
21 A9
19 A8
18 A7
17 A6
16 A5
15 A4
14 VSS
et4U.com Pin Description
Pin Name
Function
DataSheet4U.com
A0-A10
Address inputs
- Row address
- Column address
- Refresh address
A0-A10
A0-A10
A0-A10
DQ1~DQ4
Data-in / data-out
RAS
Row address strobe
CAS
Column address strobe
WE Write enable
OE Output enable
Vcc Power (+5 V or + 3.3V)
Vss Ground
4,194,304 x 4 - Bit
CMOS Dynamic RAM
DataShee
DataSheet4U.com
Document:1G5-0162
DataSheet4 U .com
Rev.1
Page 2




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VG26V17405FJ cmos

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VG26V17405FJ

CMOS DRAM - Vanguard International Semiconductor