SERC816 データシートの表示（PDF） - STMicroelectronics
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SERC816 Datasheet PDF : 23 Pages
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SERCON816
3.2 Recommended Operating Conditions
Symbol
Parameter
TA
Operating temperature
TJ
Chip junction temperature
VDD
Operating supply voltage
fSCLK Clock frequency SCLK
fMCLK Clock frequency MCLK
Notes: 1. Only if PLL is used (SBAUD16=0)
2. For normal operation, during testing fMCLK = 0 is possible
Min.
-40
-40
4.75
321
122
Max.
85
125
5.25
64
64
Unit
°C
°C
V
MHz
MHz
3.3 ELECTRICAL CHARACTERISTCS
(VDD = 5V ± 5% Tamb = -40 °C to +85 °C, unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
VIL Low level input voltage (TTL)
All inputs
VIH High level input voltage (TTL)
2.0
All inputs
Vhyst Schmitt trigger hysteresis
0.4
L_ERRN, TXD6-1, MCLK, SCLK,
RSTN, ADMUX, BUSMODE1-0,
BUSWIDTH, BYTEDIR, TM1-0,
SBAUD16, SBAUD, TEST, OUTZ,
RXD, CYC_CLK
IIL
Low level input current with pull- VI = VSS
-40
up
D15-0, A15-0, TXD6-1, ADMUX,
BUSMODE1-0, BYTEDIR, TM1-
0, SBAUD16, SBAUD, TEST,
OUTZ, RXD, CYC_CLK, BHEN,
MCSN1-0, PCSN0, PCS1,
DMAACKTN, DMAACKRN
IIH High level input current with pull- VI = VDD
40
down
MCLK, SCLK, RSTN, ALEH,
ALEL
Rup Equivalent pull-up resistance
VI = VSS
23
Rdn Equivalent pull-down resistance VI = VDD
23
VOL Low level output voltage, all O-
and I/O-pins except TXD6-1,
L_ERRN
IOI = -4 mA
VOH High level output voltage, all O- IOH = +4 mA
2.4
and I/O-pins except TXD6-1,
L_ERRN
Typ. Max. Unit
0.8
V
V
0.7
V
-100 -240 µA
100 240
µA
50 112.5 KOhm
50 112.5 KOhm
0.4
V
V
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