70V659S12DRI IDT, 70V659S12DRI Datasheet - Page 6

• Manufacturer Part Number: 70V659S12DRI
• Description: SRAM 128Kx36 STD-PWR 3.3V DUAL-PORT RAM
• Manufacturer: IDT
• Series: IDT70V659/58/57Sr
• Type: Dual Port RAMr

Specifications of 70V659S12DRI

• Memory Size: 4 Mbit
• Organization: 128 K x 36
• Access Time: 12 ns
• Supply Voltage - Max: 3.45 V
• Supply Voltage - Min: 3.15 V
• Maximum Operating Current: 515 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Package / Case: PQFP-208
• Interface: LVTTL
• Memory Type: Asynchronous
• Part # Aliases: IDT70V659S12DRI

Pin Names
CE
R/W
OE
A
I/O
SEM
INT
BUSY
BE
0L
IDT70V659/58/57S
High-Speed 3.3V 128/64/32K x 36 Asynchronous Dual-Port Static RAM
0L
0L
0L
L
L
L
- A
,
L
Left Port
- I/O
- BE
CE
L
V
16L
OPT
DDQL
1L
35L
(3)
3L
L
TRST
TDO
TMS
M/S
V
V
TCK
TDI
DD
SS
CE
R/W
OE
A
I/O
SEM
INT
BUSY
BE
0R
0R
0R
0R
R
R
R
Right Port
- A
R
,
- I/O
- BE
R
CE
V
OPT
16R
DDQR
1R
35R
(3)
3R
R
Chip Enables - (Input)
Read/Write Enable - (Input)
Output Enable - (Input)
Data Input/Output
Semaphore Enable - (Input)
Interrupt Flag - (Output)
Busy Flag - (Output)
Byte Enables (9-bit bytes) - (Input)
Power (I/O Bus) (3.3V or 2.5V) - (Input)
Option for selecting V
Master or Slave Select - (Input)
Power (3.3V) - (Input)
Ground (0V) - (Input)
Reset (Initialize TAP Controller)
Address - (Input)
Test Data Input
Test Data Output
Test Logic Clock (10MHz)
Test Mode Select
Names
(4)
(1)
DDQX
- (Input)
(1,2)
4869 tbl 01
(1)
6
NOTES:
1. V
2. OPT
3. Addresses A
4. BUSY is an input as a slave (M/S = V
applying inputs on I/O
If OPT
levels and V
port's I/Os and controls will operate at 2.5V levels and V
at 2.5V. The OPT pins are independent of one another—both ports can operate
at 3.3V levels, both can operate at 2.5V levels, or either can operate at 3.3V
with the other at 2.5V.
NC's for IDT70V657.
DD
, OPT
X
selects the operating voltage levels for the I/Os and controls on that port.
X
is set to V
X
, and V
DDQX
16
x is a NC for IDT70V658. Also, Addresses A
Industrial and Commercial Temperature Ranges
IH
must be supplied at 3.3V. If OPT
DDQX
(3.3V), then that port's I/Os and controls will operate at 3.3V
X
.
must be set to appropriate operating levels prior to
IL
).
X
is set to V
DDQX
16
must be supplied
IL
x and A
(0V), then that
15
x are