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參數(shù)資料
| 型號(hào)： | TM248GBK32S-80 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | TRANSISTOR, NPN TO-251; Voltage, Vceo:50V; Power dissipation:15W; hfe, min:200; ft, typ:330MHz; Case style:TO-251; Case style, alternate:I-Pak; Current, Ib:1A; Current, Ic @ Vce sat:3.5A; Current, Ic hFE:500mA; Current, Ic max:8A; RoHS Compliant: Yes |
| 中文描述： | 動(dòng)態(tài)隨機(jī)存儲(chǔ)器模塊 |
| 文件頁(yè)數(shù)： | 8/11頁(yè) |
| 文件大小： | 158K |
| 代理商： | TM248GBK32S-80 |
TM124FBK32, TM124FBK32S 1048576 BY 32-BIT
TM248GBK32, TM248GBK32S 2097152 BY 32-BIT
DYNAMIC RAMMODULES
SMMS664A – DECEMBER 1995 – REVISED JUNE 1996
8
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature
PARAMETER
’124FBK32-60
’248GBK32-60
’124FBK32-70
’248GBK32-70
’124FBK32-80
’248GBK32-80
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
tAA
tCAC
tRAC
tCPA
tCLZ
tREZ
tWEZ
NOTE 6: tREZ and tWEZ are specified when the output is no longer driven.
Access time from column address
30
35
40
ns
Access time from CAS low
15
18
20
ns
Access time from RAS low
60
70
80
ns
Access time from column precharge
35
40
45
ns
CAS to output in the low-impedance state
0
0
0
ns
Output disable time after RAS high (see Note 6)
3
15
3
18
3
20
ns
Output disable time after W low (see Note 6)
3
15
3
18
3
20
ns
EDO timing requirements over recommended ranges of supply voltage and operating free-air
temperature
’124FBK32-60
’248GBK32-60
’124FBK32-70
’248GBK32-70
’124FBK32-80
’248GBK32-80
UNIT
MIN
25
MAX
MIN
30
MAX
MIN
35
MAX
tHPC
tPRWC
tCSH
tDOH
tCAS
tWPE
tCP
Cycle time, EDO page-mode read or write
ns
Cycle time, EDO read-write
80
90
100
ns
Hold time, CAS from RAS
50
55
60
ns
Hold time, output from CAS
3
3
3
ns
Pulse duration, CAS
10
10000
12
10000
15
10000
ns
Pulse duration, W (output disable only)
5
5
5
ns
Precharge time, CAS
5
5
5
ns
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