MT55L256V36F Micron Technology, MT55L256V36F Datasheet - Page 17

• Manufacturer Part Number: MT55L256V36F
• Description: (MT55LxxxLxxF) 8Mb SRAM
• Manufacturer: Micron Technology

I
(Note 1) (0° C
TQFP THERMAL RESISTANCE
NOTE: 1. V
8Mb: 512K x 18, 256K x 32/36 Flow-Through ZBT SRAM
MT55L512L18F_C.p65 – Rev. 2/02
DESCRIPTION
Power Supply
Current: Operating
Power Supply
Current: Idle
CMOS Standby
TTL Standby
Clock Running
Snooze Mode
DESCRIPTION
Thermal Resistance
(Junction to Ambient)
Thermal Resistance
(Junction to Top of Case)
DD
OPERATING CONDITIONS AND MAXIMUM LIMITS
2. I
3. “ Device deselected” means device is in a deselected cycle as defined in the truth table. “ Device selected” means device
4. Typical values are measured at +3.3V, +25° C and 12ns cycle time.
5. This parameter is sampled.
greater output loading.
is active (not in deselected mode).
DD
DD
is specified with no output current and increases with faster cycle times. I
Q = +3.3V ±0.165V for 3.3V I/O configuration; V
T
A
+70° C; V
or V
All inputs static; CLK frequency = 0
All inputs static; CLK frequency = 0
ADV/LD# V
All inputs V
All inputs V
Device selected; All inputs V
Device deselected; V
Device deselected; V
Device deselected; V
or V
Device selected; V
V
DD
All inputs V
DD
Cycle time
DD
IH
- 0.2; Cycle time
Test conditions follow standard test methods
= MAX; Outputs open
; Cycle time
= +3.3V ±0.165V unless otherwise noted)
CONDITIONS
and procedures for measuring thermal
CKE# V
IH
SS
SS
ZZ V
; All inputs V
+ 0.2 or V
+ 0.2 or V
impedance, per EIA/JESD51.
t
IL
IH
KC (MIN)
IH
or V
DD
;
DD
DD
DD
t
KC (MIN);
= MAX;
= MAX;
= MAX;
= MAX;
t
CONDITIONS
KC (MIN)
IH
DD
DD
;
SS
- 0.2;
- 0.2;
+ 0.2
IL
DD
17
Q = +2.5V +0.4V/-0.125V for 2.5V I/O configuration.
SYMBOL
I
I
I
I
I
I
SB
DD
SB
SB
SB
DD
2
2
3
4
1
Z
8Mb: 512K x 18, 256K x 32/36
TYP
165
FLOW-THROUGH ZBT SRAM
0.5
0.5
10
37
Micron Technology, Inc., reserves the right to change products or specifications without notice.
6
300
-10
DD
28
10
25
65
10
Q increases with faster cycle times and
SYMBOL
JA
JC
MAX
275
-11
22
10
25
65
10
TYP
40
8
-12
250
20
10
25
60
10
UNITS NOTES
©2002, Micron Technology, Inc.
UNITS NOTES
° C/W
° C/W
mA
mA
mA
mA
mA
mA
2, 3, 4
2, 3, 4
3, 4
3, 4
3, 4
4
5
5