MT55L128L18F1 Micron Semiconductor Products, Inc., MT55L128L18F1 Datasheet - Page 11

• Manufacturer Part Number: MT55L128L18F1
• Description: 2Mb ZBT SRAM, 3.3V Vdd, 3.3V I/O, Flow-Through,
• Manufacturer: Micron Semiconductor Products, Inc.

NOT RECOMENDED FOR NEW DESIGNS
I
(0°C ≤ T
TQFP THERMAL RESISTANCE
NOTE: 1. I
2Mb: 128K x 18, 64K x 32/36 3.3V I/O, Flow-Through ZBT SRAM
MT55L128L18F1_C.p65 – Rev. C, Pub. 11/02
DESCRIPTION
Power Supply
Current:
Operating
Power Supply
Current: Idle
CMOS Standby
TTL Standby
Clock Running
Snooze Mode
DESCRIPTION
Thermal Resistance
Thermal Resistance
(Junction to Top of Case)
DD
(Junction to Ambient)
OPERATING CONDITIONS AND MAXIMUM LIMITS
2. “Device deselected” means device is in a deselected cycle as defined in the truth table. “Device selected” means device
3. Typical values are measured at 3.3V, 25°C, and 12ns cycle time.
4. This parameter is sampled.
A
greater output loading.
is active (not in deselected mode).
≤ +70°C; V
DD
is specified with no output current and increases with faster cycle times. I
DD
, V
Device selected; All inputs ≤ V
All inputs ≤ V
All inputs ≤ V
All inputs ≤ V
DD
All inputs static; CLK frequency = 0
All inputs static; CLK frequency = 0
Device deselected; V
Device deselected; V
Device deselected; V
Q = +3.3V ±0.165V unless otherwise noted)
Device selected; V
V
Test conditions follow standard test methods
DD
Cycle time
All inputs ≤ V
Cycle time
Cycle time
= MAX; Outputs open
and procedures for measuring thermal
CONDITIONS
CKE#
SS
SS
SS
impedance, per EIA/JESD51.
ZZ
+ 0.2 or
+ 0.2 or
+ 0.2 or
≥
≥
≥
≥
≥
V
t
t
IL
V
KC (MIN);
t
IH
KC (MIN)
KC (MIN)
IH
or
CONDITIONS
DD
;
DD
DD
DD
≥
= MAX;
≥
≥
≥
= MAX;
= MAX;
= MAX;
V
V
V
V
IH
DD
DD
DD
IL
;
or
- 0.2;
- 0.2;
- 0.2;
3.3V I/O, FLOW-THROUGH ZBT SRAM
11
≥
V
IH
;
SYMBOL TYP
2Mb: 128K x 18, 64K x 32/36
I
I
I
I
I
I
SB
DD
SB
SB
SB
DD
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2
2
3
4
1
Z
0.5
0.5
DD
85
25
5
7
SYMBOL
Q increases with faster cycle times and
θ
θ
JA
JC
225
-10
12
10
25
65
10
MAX
TYP
40
185
-12
8
10
10
25
60
10
UNITS NOTES
UNITS NOTES
©2002, Micron Technology, Inc.
°C/W
°C/W
mA
mA
mA
mA
mA
mA
1, 2, 3
1, 2, 3
2, 3
2, 3
2, 3
3
4
4