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ETL9444 Datasheet(PDF) 7 Page - STMicroelectronics

Part # ETL9444
Description  4-BIT NMOS MICROCONTROLLERS
PDF  27 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ETL9444 Datasheet(HTML) 7 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS
ETL9444/L9445 : 0
°C ≤ T
A ≤ +70°C, 4.5V ≤ VCC ≤ 9.5V (unless otherwise specified)
ETL9344/L9345 : –40
°C ≤ T
A ≤ +85°C, 4.5V ≤ VCC ≤ 7.5V (unless otherwise specified)
Parameter
Test Conditions
Mi n.
Max.
Unit
Instruction Cycle Time – tc
CKI
Input Frequency – fI
Duty Cycle
Rise Time
Fall Time
CKI Using RC (
÷ 4)
Instruction Cycle Time
CKO as SYNC Input
t SYNC
÷ 32 Mode
÷ 16 Mode
÷ 8Mode
÷ 4Mode
f I = 2MHz
R = 56k
Ω ± 5%
C= 100pF
± 10%
16
0.8
0.4
0.2
0.1
30
16
400
40
2.0
1.0
0.5
0.25
60
120
80
28
µs
MHz
MHz
MHz
MHz
%
ns
ns
µs
ns
INPUTS :
IN3-IN 0,G3-G0,L 7-L0
t SET UP
t HOL D
SI
t SET UP
t HOL D
8.0
1.3
2.0
1.0
µs
µs
µs
µs
OUTPUT PROPAGATION DELAY
SO, SK Outputs
t pd1,tpd 0
All Other Outputs
t pd1 ,tpd 0
Test Condition :
C L = 50pF, RL = 20kΩ,VOUT = 1.5V
4.0
5.6
µs
µs
ETL9444/9445–ETL9344/9345
7/27



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