5962-8601505XA Просмотр технического описания (PDF) - Austin Semiconductor
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5962-8601505XA Datasheet PDF : 10 Pages
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Austin Semiconductor, Inc.
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
Q
255
SRAM
MT5C6401
+5V
480
30pF
Q
255
+5V
480
5 pF
NOTES
1. All voltages referenced to VSS (GND).
2. -3V for pulse width < 20ns
3. ICC is dependent on output loading and cycle rates.
The specified value applies with the outputs
unloaded, and f = 1 Hz.
tRC (MIN)
4. This parameter is sampled.
5. Test conditions as specified with the output loading
as shown in Fig. 1 unless otherwise noted.
6. tHZCE and tHZWE are specified with CL = 5pF as in
Fig. 2. Transition is measured ±500mV typical from steady
state voltage, allowing for actual tester RC time constant.
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.
8. WE\ is HIGH for READ cycle.
9. Device is continuously selected. Chip enable is held in
its active state.
10. Address valid prior to, or coincident with, latest
occurring chip enable.
11. tRC = READ Cycle Time.
12. Chip enable (CE\) 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
VCC for Retention Data
VDR
2
---
V
Data Retention Current
CE\ > (VCC - 0.2V) VCC = 2V ICCDR ---
300
µA
VIN > (VCC - 0.2V)
or < 0.2V
VCC = 3V ICCDR ---
500
µA
Chip Deselect to Data
Retention Time
tCDR
0
---
ns
4
Operation Recovery Time
tR
tRC
---
ns
4, 11
LOW Vcc DATA RETENTION WAVEFORM
MT5C6401
Rev. 1.0 8/01
VCC
tCDR
CE\
VIH
VIL
111122223333444455556666777788889999
DATA RETENTION MODE
4.5V
VDR > 2V
4.5V
VDR
tR
111122223333444455556666111177772111122288883222233343343344
111122223333DON’T CARE
1111222233334444UNDEFINED
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
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