IDT70T3589 Integrated Device Technology, IDT70T3589 Datasheet - Page 24

• Manufacturer Part Number: IDT70T3589
• Description: 64k X 36 Sync, 3.3v/2.5v Dual-port Ram, Interleaved I/o S
• Manufacturer: Integrated Device Technology

Depth and Width Expansion
Table I) in order to facilitate rapid and simple depth expansion with no
requirements for external logic. Figure 4 illustrates how to control the
various chip enables in order to expand two devices in depth.
expanded width, as indicated in Figure 4. Through combining the control
signals, the devices can be grouped as necessary to accommodate
applications needing 72-bits or wider.
NOTE:
1. A
IDT70T3519/99/89S
High-Speed 2.5V 256/128/64K x 36 Dual-Port Synchronous Static RAM
The IDT70T3519/99/89 features dual chip enables (refer to Truth
The IDT70T3519/99/89 can also be used in applications requiring
18
is for IDT70T3519, A
A
18
/A
17
17
/A
is for IDT70T3599, A
16
Control Inputs
Control Inputs
IDT70T3519/99/89
IDT70T3519/99/89
Figure 4. Depth and Width Expansion with IDT70T3519/99/89
16
is for IDT70T3589.
CE
CE
CE
CE
0
1
1
0
V
DD
6.42
Control Inputs
Control Inputs
24
IDT70T3519/99/89
IDT70T3519/99/89
CE
CE
CE
CE
5666 drw 23
Industrial and Commercial Temperature Ranges
0
1
1
0
V
DD
BE,
R/W,
OE,
CLK,
ADS,
REPEAT,
CNTEN
,
APRIL 10, 2006