MT5C6401 Micron Technology, MT5C6401 Datasheet - Page 7

• Manufacturer Part Number: MT5C6401
• Description: 64K x 1 SRAM
• Manufacturer: Micron Technology

AC TEST CONDITIONS
NOTES
1. All voltages referenced to V
2. -3V for pulse width <
3. I
4. This parameter is sampled.
5. Test conditions as specified with the output loading
6.
7. At any given temperature and voltage condition,
DATA RETENTION ELECTRICAL CHARACTERISTICS (L version only)
MT5C6401
REV. 12/93
DESCRIPTION
V
Data Retention Current
Chip Deselect to Data
Retention Time
Operation Recovery Time
Input pulse levels ................................... Vss to 3.0V
Input rise and fall times ....................................... 3ns
Input timing reference levels ............................. 1.5V
Output reference levels ..................................... 1.5V
Output load .............................. See Figures 1 and 2
CC
as shown in Fig. 1 unless otherwise noted.
t
Fig. 2. Transition is measured 500mV from steady
state voltage.
t
t
HZCE and
HZCE is less than
LZWE
CC
for Retention Data
is dependent on output loading and cycle rates.
t
HZWE are specified with CL = 5pF as in
t
LZCE and
t
RC/2.
/ C / E
V
SS
IN
(GND).
t
or
HZWE is less than
(V
(Vcc -0.2V) V
CONDITIONS
CC
0.2V
-0.2V)
V
CC
CC
= 2V
= 3V
7
SYMBOL
t
I
I
CDR
CCDR
CCDR
V
8. ? W / E is HIGH for READ cycle.
9. Device is continuously selected. All chip enables are
10. Address valid prior to, or coincident with, latest
11.
12. Chip enable and write enable can initiate and
13. Typical values are measured at 5V, 25 C and 15ns
14. Typical currents are measured at 25 C.
t
R
DR
Fig. 1 OUTPUT LOAD
held in their active state.
occurring chip enable.
t
terminate a WRITE cycle.
cycle time.
RC = Read Cycle Time.
Q
255
EQUIVALENT
Micron Semiconductor, Inc., reserves the right to change products or specifications without notice.
MIN
t
RC
2
0
+5V
480
30 pF
130
210
TYP
MAX
300
400
OBSOLETE 8/31/94
Fig. 2 OUTPUT LOAD
64K x 1 SRAM
Q
EQUIVALENT
255
UNITS
1993, Micron Semiconductor, Inc.
MT5C6401
ns
ns
V
A
A
+5V
480
5 pF
NOTES
4, 11
14
14
4