參數資料
型號: TMS6644148A
廠商: Texas Instruments, Inc.
英文描述: 4 194 304 BY 4-BIT/2 097 152 BY 8-BIT/1 048 576 BY 16-BIT BY 4-BANK SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORIES
中文描述: 4 194 304 4位/ 2 097 152 8位/ 1 048 576由16位4,銀行同步動態(tài)隨機存取記憶體
文件頁數: 19/56頁
文件大?。?/td> 958K
代理商: TMS6644148A
TMS664414, TMS664814, TMS664164
4 194 304 BY 4-BIT/2 097 152 BY 8-BIT/1 048 576 BY 16-BIT BY 4-BANK
SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORIES
SMOS695A – APRIL 1998 – REVISED JULY 1998
19
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
absolute maximum ratings over operating ambient temperature range (unless otherwise noted)
Supply voltage range, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply voltage range for output drivers, V
CCQ
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range on any input pin (see Note 1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range on any output pin (see Note 1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Short-circuit output current
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power dissipation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating ambient 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.
– 0.5 V to 4.6 V
– 0.5 V to 4.6 V
– 0.5 V to 4.6 V
– 0.5 V to V
CC
+ 0.5 V
50 mA
1 W
0
°
C to 70
°
C
– 55
°
C to 150
°
C
recommended operating conditions
MIN
NOM
MAX
UNIT
VCC
VCCQ
VSS
VSSQ
VIH
VIL
TA
VCCQ
Supply voltage
Supply voltage for output drivers
3
3.3
3.6
V
3
3.3
3.6
V
Supply voltage
0
V
Supply voltage for output drivers
0
V
High-level input voltage
2
VCC + 0.3
0.8
V
Low-level input voltage
– 0.3
V
°
C
Operating ambient temperature
0
70
VCC
0.3 V
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