參數(shù)資料
型號(hào)： SMJ55161
廠商： Texas Instruments, Inc.
英文描述： 262144 BY 16-BIT MULTIPORT VIDEO RAM
中文描述： 262144由16位多端口視頻內(nèi)存
文件頁(yè)數(shù)： 31/64頁(yè)
文件大小： 1505K
代理商： SMJ55161
SMJ55161
262144 BY 16-BIT
MULTIPORT VIDEO RAM
SGMS056D – MAY 1995 – REVISED OCTOBER 1997
31
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
CC
(see Note 1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range on any pin
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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
1.1 W
– 55
°
C to 125
°
C
–65
°
C to 150
°
C
recommended operating conditions
MIN
4.5
NOM
MAX
5.5
UNIT
V
VCC
VSS
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
Supply voltage
0
V
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
– 55
125
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
SAM
PORT
’55161-75
’55161-80
UNIT
MIN
2.4
MAX
MIN
2.4
MAX
VOH
VOL
High-level output voltage
IOH = –1 mA
IOL = 2 mA
VCC = 5.5 V,
VI = 0 V to 5.8 V,
All other pins at 0 V to VCC
VCC = 5.5 V, VO = 0 V to VCC
See Note 4
V
Low-level output voltage
0.4
0.4
V
II
Input current (leakage)
±
10
±
10
μ
A
IO
ICC1
ICC1A
ICC2
ICC2A
ICC3
ICC3A
ICC4
ICC4A
ICC5
ICC5A
ICC6
ICC6A
For conditions shown as MIN/MAX, use the appropriate value specified in the timing requirements.
§Measured with outputs open
NOTES:
3. SE is disabled for SQ output leakage tests.
4. Measured with one address change while RAS = VIL; tc(rd), tc(W), tc(TRD) = MIN
5. Measured with one address change while CASx = VIH
Output current (leakage) (see Note 3)
Operating current§
Operating current§
±
10
165
±
10
160
μ
A
mA
Standby
tc(SC) = MIN
All clocks = VCC
tc(SC) = MIN
See Note 4
Active
210
195
mA
Standby current
Standby
12
12
mA
Standby current
Active
70
65
mA
RAS-only refresh current
Standby
165
160
mA
RAS-only refresh current
Page-mode current§
Page-mode current§
tc(SC) = MIN,
tc(P) = MIN,
tc(SC) = MIN,
See Note 4
(See Note 5)
Active
215
195
mA
(See Note 5)
Standby
100
95
mA
(See Note 5)
Active
145
130
mA
CBR current
Standby
165
160
mA
CBR current
tc(SC) = MIN,
See Note 4
(See Note 5)
Active
210
195
mA
Data-transfer current
Standby
180
170
mA
Data-transfer current
tc(SC) = MIN
Active
225
200
mA
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