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IDT70T16A20PFI Datasheet(PDF) 4 Page - Integrated Device Technology

Part # IDT70T16A20PFI
Description  HIGH-SPEED 2.5V 16/8K X 9 DUAL-PORT STATIC RAM
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT70T16A20PFI Datasheet(HTML) 4 Page - Integrated Device Technology

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6.42
IDT70T16/5L
High-Speed 2.5V 16/8K x 9 Dual-Port Static RAM
Industrial and Commercial Temperature Ranges
4
PRELIMINARY
Pin Names
Left Port
Right Port
Names
CEL
CER
Chip Enable
R/WL
R/WR
Read/Write Enable
OEL
OER
Output Enable
A0L - A13L(1)
A0R - A13R(1)
Address
I/O0L - I/O8L
I/O0R - I/O8R
Data Input/Output
SEML
SEMR
Semaphore Enable
INTL
INTR
Interrupt Flag
BUSYL
BUSYR
Busy Flag
M/S
Master or Slave Select
VDD
Power (2.5V)
VSS
Ground (0V)
5663 tbl 01
Truth Table II: Semaphore Read/Write Control(1)
Truth Table I: Non-Contention Read/Write Control
NOTE:
1. There are eight semaphore flags written to via I/O0 and read from all I/Os (I/O0-I/O8). These eight semaphores are addressed by A0 - A2.
NOTE:
1.
Condition: A0L — A13L
≠ A0R — A13R
Inputs
(1)
Outputs
Mode
CE
R/
W
OE
SEM
I/O0-8
H
X
X
H
High-Z
Deselcted: Power-Down
LL
X
H
DATAIN
Write to Memory
LH
L
H
DATAOUT
Read Memory
X
X
H
X
High-Z
Outputs Disabled
5663 tbl 02
Inputs
Outputs
Mode
CE
R/
W
OE
SEM
I/O0-8
HH
L
L
DATAOUT
Read Semaphore Flag Data Out (I/O0 - I/O8)
H
↑
XL
DATAIN
Write I/O0 into Semaphore Flag
LX
X
L
____
Not Allowed
5663 tbl 03
NOTE:
1.
A13 is a NC for IDT70T15.


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