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PDF HM5117400 Data sheet ( Hoja de datos )
| Número de pieza | HM5117400 | |
| Descripción | (HM5116400 / HM5117400) 4M DRAM | |
| Fabricantes | Hitachi | |
| Logotipo |  |
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HM5116400 Series, HM5117400 Series
Pin Arrangement
HM5117400S/LS Series
HM5117400TS/LTS Series
VCC
I/O1
I/O2
WE
RAS
NC
1
2
3
4
5
6
26 VSS
25 I/O4
24 I/O3
23 CAS
22 OE
21 A9
VCC
I/O1
I/O2
WE
RAS
NC
1
2
3
4
5
6
26 VSS
25 I/O4
24 I/O3
23 CAS
22 OE
21 A9
A10 8
19 A8
A10 8
19 A8
A0 9
18 A7
A0 9
18 A7
A1 10
17 A6
A1 10
17 A6
A2 11
16 A5
A2 11
16 A5
A3 12
15 A4
A3 12
15 A4
www.DataSheet4U.comVCC
13
14 VSS
VCC
13
14 VSS
(Top view)
(Top view)
Pin Description
Pin name
A0 to A10
I/O1 to I/O4
RAS
CAS
WE
OE
VCC
VSS
NC
Function
Address input
— Row/Refresh address A0 to A10
— Column address
A0 to A10
Data input/Data output
Row address strobe
Column address strobe
Write enable
Output enable
Power supply
Ground
No connection
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HM5116400 Series, HM5117400 Series
Capacitance (Ta = 25˚C, VCC = 5 V ±10%)
Parameter
Symbol
Typ
Max Unit Notes
Input capacitance (Address)
CI1
—5
pF 1
Input capacitance (Clocks)
CI2
—7
pF 1
Output capacitance (Data-in, Data-out) CI/O
—7
pF 1, 2
Notes : 1. Capacitance measured with Boonton Meter or effective capacitance measuring method.
2. CAS = VIH to disable Dout.
AC Characteristics (Ta = 0 to +70˚C, VCC = 5 V ±10%, VSS = 0 V) *1, *2, *18, *19
Test Conditions
• Input rise and fall time: 5 ns
• Input timing reference levels: 0.8 V, 2.4 V
• Output load: 2 TTL gate + CL (100 pF) (Including scope and jig)
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet HM5117400.PDF ] | |
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