SRAM
MT5C6408
AC TEST CONDITIONS
Input pulse levels ...................................... Vss to 3.0V
Input rise and fall times ......................................... 5ns
Input timing reference levels ................................ 1.5V
Output reference levels ....................................... 1.5V
Output load ................................. See Figures 1 and 2
167Ω
167Ω
Q
Q
VTH = 1.73V
VTH = 1.73V
5pF
30pF
Fig. 1 Output Load
Equivalent
Fig. 2 Output Load
Equivalent
7. At any given temperature and voltage condition,
tHZCE is less than tLZCE, and tHZWE is less than tLZWE and
NOTES
1. All voltages referenced to VSS (GND).
2. -3V for pulse width < 20ns
tHZOE is less than tLZOE
.
3. ICC is dependent on output loading and cycle rates.
The specified value applies with the outputs
8. WE\ is HIGH for READ cycle.
9. Device is continuously selected. Chip enables and
output enables are held in their active state.
10. Address valid prior to, or coincident with, latest
occurring chip enable.
unloaded, and f =
1
Hz.
tRC (MIN)
4. This parameter is guaranteed but not tested.
5. Test conditions as specified with the output loading
as shown in Fig. 1 unless otherwise noted.
t
11. RC = Read Cycle Time.
12. CE2 timing is the same as CE1\ timing. The waveform
6. tLZCE, tLZWE, tLZOE, tHZCE, tHZOE and tHZWE
are specified with CL = 5pF as in Fig. 2. Transition is
measured ±200mV typical from steady state voltage,
allowing for actual tester RC time constant.
is
inverted.
13. Chip enable (CE1\, CE2) and write enable (WE\) can
initiate and terminate a WRITE cycle.
DATA RETENTION ELECTRICAL CHARACTERISTICS (L Version Only)
DESCRIPTION
CONDITIONS
SYM
MIN
MAX UNITS NOTES
2
---
300
---
V
V
CC for Retention Data
VDR
CE\ > (VCC - 0.2V)
Data Retention Current
μA
VCC = 2V ICCDR
VIN > (VCC - 0.2V)
or < 0.2V
Chip Deselect to Data
Retention Time
tCDR
tR
0
ns
ns
4
Operation Recovery Time
4, 11
tRC
LOW Vcc DATA RETENTION WAVEFORM
DATA RETENTION MODE
VCC
4.5V
4.5V
VDR > 2V
tCDR
tR
VIH
VIL
VDR
CE\
DON’T CARE
UNDEFINED
Micross Components reserves the right to change products or specifications without notice.
MT5C6408
Rev. 4.2 01/10
5
MICROSS [ MICROSS COMPONENTS ]
