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M4T28-BR12SH1 Datasheet(PDF) 20 Page - STMicroelectronics

Part # M4T28-BR12SH1
Description  3.3V, 256Kbit (32Kbit x 8) TIMEKEEPER짰 SRAM
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M4T28-BR12SH1 Datasheet(HTML) 20 Page - STMicroelectronics

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DC and AC parameters
M48T35AV
20/28
Table 9.
DC characteristics
Figure 13.
Power down/up mode AC waveforms
Symbol
Parameter
Test condition(1)
1.
Valid for ambient operating temperature: TA = 0 to 70°C; VCC = 3.0 to 3.6V (except where noted).
M48T35AV
Unit
Min
Max
ILI
Input leakage current
0V
≤ VIN ≤ VCC
±1
µA
ILO
(2)
2.
Outputs deselected.
Output leakage current
0V
≤ VOUT ≤ VCC
±1
µA
ICC
Supply current
Outputs open
30
mA
ICC1
Supply current (standby) TTL
E = VIH
2mA
ICC2
Supply current (standby) CMOS
E = VCC – 0.2V
2
mA
VIL
(3)
3.
Negative spikes of –1V allowed for up to 10ns once per cycle.
Input low voltage
–0.3
0.8
V
VIH
Input high voltage
2.2
VCC + 0.3
V
VOL
Output low voltage
IOL = 2.1mA
0.4
V
VOH
Output high voltage
IOH = –1mA
2.4
V
AI01168C
VCC
INPUTS
(PER CONTROL INPUT)
OUTPUTS
DON'T CARE
HIGH-Z
tF
tFB
tR
tPD
tRB
tDR
VALID
VALID
(PER CONTROL INPUT)
RECOGNIZED
RECOGNIZED
VPFD (max)
VPFD (min)
VSO
trec


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