Q67100-Q727 查看數據表（PDF） - Siemens AG
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产品描述 (功能)
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Q67100-Q727 Datasheet PDF : 23 Pages
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HYB 514171BJ-50/-60
256k × 16 DRAM
Ordering Information
Type
Ordering Code
HYB 514171BJ-50 Q67100-Q2021
HYB 514171BJ-60 Q67100-Q727
Package
P-SOJ-40-1 400 mil
P-SOJ-40-1 400 mil
Description
50 ns 256k × 16 DRAM
60 ns 256k × 16 DRAM
Truth Table
RAS LCAS UCAS WE
OE
I/O1 - I/O8 I/O9 - I/O16 Operation
H
H
H
H
H
High-Z
High-Z
Standby
L
H
H
H
H
High-Z
High-Z
Refresh
L
L
H
H
L
Dout
High-Z
Lower byte read
L
H
L
H
L
High-Z
Dout
Upper byte read
L
L
L
H
L
Dout
Dout
Word read
L
L
H
L
H
Din
Don't care Lower byte write
L
H
L
L
H
Don't care Din
Upper byte write
L
L
L
L
H
Din
Din
Word write
L
L
L
H
H
High-Z
High-Z
−
Pin Names
A0 - A8
RAS
UCAS, LCAS
WE
OE
I/O1 - I/O16
VCC
VSS
N.C.
Address Inputs
Row Address Strobe
Column Address Strobe
Read/Write Input
Output Enable
Data Input/Output
Power Supply (+ 5 V)
Ground (0 V)
No Connection
Semiconductor Group
2
1998-10-01
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