CY7C4205V 데이터 시트보기 (PDF) - Cypress Semiconductor
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CY7C4205V Datasheet PDF : 20 Pages
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Logic Block Diagram
WCLK
WEN
WRITE
CONTROL
RS
FL/RT
WXI
WXO/HF
RXI
RXO
WRITE
POINTER
RESET
LOGIC
EXPANSION
LOGIC
Pin Configuration
D0–17
INPUT
REGISTER
RAM
ARRAY
64 x 18
256 x 18
512 x 18
1K x 18
2K x 18
4K x 18
CY7C4225V/4205V/4215V
CY7C4425V/4235V/4245V
FLAG
PROGRAM
REGISTER
FLAG
LOGIC
READ
POINTER
FF
EF
PAE
PAF
SMODE
THREE–STATE
OUTPUT REGISTER
OE
Q0–17
READ
CONTROL
RCLK
REN
STQFP/TQFP
Top View
D15
1
D14
2
D13
3
D12
4
D11
5
D10
6
D9
7
D8
8
D7
9
D6
10
D5
11
D4
12
D3
13
D2
14
D1
15
D0
16
CY7C4425V
CY7C4205V
CY7C4215V
CY7C4225V
CY7C4235V
CY7C4245V
48
Q14
47
Q13
46
GND
45
Q12
44
Q11
43
VCC
42
Q10
41
Q9
40
GND
39
Q8
38
Q7
37
Q6
36
Q5
35
GND
34
Q4
33
VCC
Document #: 38-06029 Rev. *C
Page 2 of 20
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