CXK5T8257BTM Просмотр технического описания (PDF) - Sony Semiconductor
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производитель
CXK5T8257BTM Datasheet PDF : 10 Pages
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CXK5T8257BTM/BYM/BM
Pin Configuration (Top View)
OE 22
A11 23
A9 24
A8 25
A13 26
WE 27
VCC 28
A14 1
A12 2
A7 3
A6 4
A5 5
A4 6
A3 7
CXK5T8257BTM
(Standard Pinout)
A3 7
A4 6
A5 5
A6 4
A7 3
A12 2
A14 1
VCC 28
WE 27
A13 26
A8 25
A9 24
A11 23
OE 22
CXK5T8257BYM
(Standard Pinout)
21 A10
20 CE
19 I/O8
18 I/O7
17 I/O6
16 I/O5
15 I/O4
14 GND
13 I/O3
12 I/O2
11 I/O1
10 A0
9 A1
8 A2
8 A2
9 A1
10 A0
11 I/O1
12 I/O2
13 I/O3
14 GND
15 I/O4
16 I/O5
17 I/O6
18 I/O7
19 I/O8
20 CE
21 A10
Pin Description
A14 1
A12 2
A7 3
A6 4
A5 5
A4 6
A3 7
A2 8
A1 9
A0 10
I/O1 11
I/O2 12
I/O3 13
GND 14
28 VCC
27 WE
26 A13
25 A8
24 A9
23 A11
22 OE
21 A10
20 CE
19 I/O8
18 I/O7
17 I/O6
16 I/O5
15 I/O4
Symbol
A0 to A14
I/O1 to I/O8
CE
WE
OE
VCC
GND
Description
Address input
Data input/output
Chip enable input
Write enable input
Output enable input
Power supply
Ground
CXK5T8257BM
Absolute Maximum Ratings
(Ta = 25°C, GND = 0V)
Item
Supply voltage
Input voltage
Input and output voltage
Symbol
Rating
Unit
VCC
–0.5 to +4.6
V
VIN
–0.5∗1 to VCC + 0.5 V
VI/O
–0.5∗1 to VCC + 0.5 V
Allowable power dissipation PD
0.7
W
Operating temperature
Topr
–25 to +85
°C
Storage temperature
Tstg
–55 to +150
°C
Soldering temperature · time Tsolder
235 · 10
∗1 VIN, VI/O = –3.0V Min. for pulse width less than 50ns.
°C · s
Truth Table
CE OE WE
Mode
H × × Not selected
L H H Output disable
L L H Read
L×L
×: "H" or "L"
Write
I/O1 to I/O8
High Z
High Z
Data out
Data in
VCC Current
ISB1, ISB2
ICC1, ICC2
ICC1, ICC2
ICC1, ICC2
–2–
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