參數(shù)資料
型號(hào)： TM248NBK36B-60
廠商： Texas Instruments, Inc.
英文描述： CAP 68PF 100V CERAMIC MONO 5%
中文描述： 動(dòng)態(tài)隨機(jī)存儲(chǔ)器模塊
文件頁(yè)數(shù)： 7/11頁(yè)
文件大?。?/td> 156K
代理商： TM248NBK36B-60
TM124MBK36B, TM124MBK36R 1048576 BY 36-BIT
TM248NBK36B, TM248NBK36R 2097152 BY 36-BIT
DYNAMIC RAMMODULE
SMMS137E – JANUARY 1991 – REVISEDJUNE 1995
7
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Voltage range on any pin (see Note 1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range on V
CC
(see Note 1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Short-circuit output current
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power dissipation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltage values are with respect to VSS.
– 1 V to 7 V
– 1 V to 7 V
50 mA
9 W
0
°
C to 70
°
C
– 55
°
C to 125
°
C
recommended operating conditions
MIN
4.5
NOM
MAX
5.5
UNIT
V
VCC
VIH
VIL
TA
NOTE 2: The algebraic convention, where the more negative (less positive) limit is designated as minimum, is used for logic-voltage levels only.
Supply voltage
5
High-level input voltage
2.4
6.5
V
Low-level input voltage (see Note 2)
– 1
0.8
V
°
C
Operating free-air temperature
0
70
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
’124MBK36B-60
MIN
’124MBK36B-70
MIN
’124MBK36B-80
MIN
UNIT
MAX
MAX
MAX
VOH
High-level output
voltage
IOH = – 5 mA
2.4
2.4
2.4
V
VOL
Low-level output
voltage
IOL = 4.2 mA
0.4
0.4
0.4
V
II
Input current (leakage)
VCC = 5.5 V,
All other pins = 0 V to VCC
VCC = 5.5 V,
CAS high
VI = 0 V to 6.5 V,
±
10
±
10
±
10
μ
A
IO
Output current
(leakage)
VO = 0 V to VCC,
±
10
±
10
±
10
μ
A
ICC1
Read or write cycle
current (see Note 3)
VCC = 5.5 V,
Minimum cycle
945
810
720
mA
ICC2
Standby current
After 1 memory cycle,
RAS and CAS high,
VIH = 2.4 V (TTL)
After 1 memory cycle,
RAS and CAS high,
VIH = VCC – 0.2 V (CMOS)
VCC = 5.5 V,
RAS cycling,
CAS high (RAS only),
RAS low after CAS low (CBR)
VCC = 5.5 V,
RAS low,
18
18
18
mA
9
9
9
mA
ICC3
Average refresh current
(RAS only or CBR)
(see Note 3)
Minimum cycle,
945
810
720
mA
ICC4
Average page current
(see Note 4)
tPC = minimum,
CAS cycling
810
720
630
mA
NOTES:
3. Measured with a maximum of one address change while RAS = VIL
4. Measured with a maximum of one address change while CAS = VIH
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