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型号： IDT70T651S12DRI
厂商： IDT, Integrated Device Technology Inc
文件页数： 8/27页
文件大小： 0K
描述： IC SRAM 9MBIT 12NS 208QFP
标准包装： 6
格式 - 存储器： RAM
存储器类型： SRAM - 双端口，异步
存储容量： 9M（256K x 36）
速度： 12ns
接口： 并联
电源电压： 2.4 V ~ 2.6 V
工作温度： -40°C ~ 85°C
封装/外壳： 208-BFQFP
供应商设备封装： 208-PQFP（28x28）
包装： 托盘
其它名称： 70T651S12DRI
IDT70T651/9S
High-Speed 2.5V 256/128K x 36 Asynchronous Dual-Port Static RAM
Industrial and Commercial Temperature Ranges
Recommended Operating
Temperature and Supply Voltage (1)
Recommended DC Operating
Conditions with V DDQ at 2.5V
Ambient
Symbol
Parameter
Min.
Typ.
Max.
Unit
Grade
Temperature
GND
V DD
V DD
Core Supply Voltage
2.4
2.5
2.6
V
Commercial
Industrial
0 O C to +70 O C
-40 O C to +85 O C
0V
0V
2.5V + 100mV
2.5V + 100mV
V DDQ
V SS
I/O Supply Voltage
Ground
Input High Volltage
(3)
2.4
0
2.5
0
2.6
0
V
V
NOTE:
5632 tbl 04
V IH
(Address, Control &
Data I/O Inputs) (3)
1.7
____
V DDQ + 100mV (2)
V
1. This is the parameter TA. This is the "instant on" case temperature.
V IH
Input High Voltage
JTAG
_
1.7
____
V DD + 100mV (2)
V
Capacitance (1)
(T A = +25°C, F = 1.0MH Z ) PQFP ONLY
V IH
V IL
Input High Voltage -
ZZ, OPT, M/ S
Input Low Voltage
V DD - 0.2V
-0.3 (1)
____
____
V DD + 100mV (2)
0.7
V
V
Symbol
C IN
Parameter
Input Capacitance
Conditions (2)
V IN = 3dV
Max.
8
Unit
pF
V IL
Input Low Voltage -
ZZ, OPT, M/ S
-0.3 (1)
____
0.2
V
5632 tbl 05
C OUT (3)
Output Capacitance
V OUT = 3dV
10.5
pF
NOTES:
1. V IL (min.) = -1.0V for pulse width less than t RC /2 or 5ns, whichever is less.
5632 tbl 08
NOTES:
1. These parameters are determined by device characterization, but are not
production tested.
2. 3dV references the interpolated capacitance when the input and output switch
from 0V to 3V or from 3V to 0V.
3. C OUT also references C I/O .
2. V IH (max.) = V DDQ + 1.0V for pulse width less than t RC /2 or 5ns, whichever is
less.
3. To select operation at 2.5V levels on the I/Os and controls of a given port, the
OPT pin for that port must be set to V SS (0V), and V DDQX for that port must be
supplied as indicated above.
Absolute Maximum Ratings (1)
Recommended DC Operating
Conditions with V DDQ at 3.3V
Symbol Parameter Min. Typ. Max.
Unit
Symbol
V TERM
(V DD )
V TERM (2)
(V DDQ )
Rating
V DD Terminal Voltage
with Respect to GND
V DDQ Terminal Voltage
with Respect to GND
Commercial
& Industrial
-0.5 to 3.6
-0.3 to V DDQ + 0.3
Unit
V
V
V DD
V DDQ
V SS
V IH
Core Supply Voltage
I/O Supply Voltage (3)
Ground
Input High Voltage
(Address, Control
&Data I/O Inputs) (3)
2.4
3.15
0
2.0
2.5
3.3
0
____
2.6
3.45
0
V DDQ + 150mV (2)
V
V
V
V
V TERM(2)
(INPUTS and I/O's)
Input and I/O Terminal
Voltage with Respect to GND
-0.3 to V DDQ + 0.3
V
V IH
Input High Voltage
JTAG
_
1.7
____
V DD + 100mV (2)
V
-0.3
T BIAS (3)
T STG
Temperature
Under Bias
Storage
Temperature
-55 to +125
-65 to +150
o
o
C
C
V IH
V IL
V IL
Input High Voltage -
ZZ, OPT, M/ S
Input Low Voltage
Input Low Voltage -
ZZ, OPT, M/ S
V DD - 0.2V
-0.3 (1)
(1)
____
____
____
V DD + 100mV (2)
0.8
0.2
V
V
V
T JN
Junction Temperature
+150
o
C
5632 tbl 06
I OUT (For V DDQ = 3.3V) DC Output Current
I OUT (For V DDQ = 2.5V) DC Output Current
50
40
mA
mA
NOTES:
1. V IL (min.) = -1.0V for pulse width less than t RC /2 or 5ns, whichever is less.
2. V IH (max.) = V DDQ + 1.0V for pulse width less than t RC /2 or 5ns, whichever is
5632 tbl 07
NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS
may cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any other conditions above those
indicated in the operational sections of this specification is not implied. Exposure
to absolute maximum rating conditions for extended periods may affect
reliability.
2. This is a steady-state DC parameter that applies after the power supply has
reached its nominal operating value. Power sequencing is not necessary;
however, the voltage on any Input or I/O pin cannot exceed V DDQ during power
supply ramp up.
3. Ambient Temperature under DC Bias. No AC Conditions. Chip Deselected.
8
less.
3. To select operation at 3.3V levels on the I/Os and controls of a given port, the
OPT pin for that port must be set to V DD (2.5V), and V DDQX for that port must be
supplied as indicated above.
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