CY7C4245-10AI Cypress Semiconductor Corp, CY7C4245-10AI Datasheet - Page 2

• Manufacturer Part Number: CY7C4245-10AI
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C4245-10AI

• Configuration: Dual
• Density: 72Kb
• Access Time (max): 8ns
• Word Size: 18b
• Organization: 4Kx18
• Sync/async: Synchronous
• Expandable: Yes
• Bus Direction: Uni-Directional
• Package Type: TQFP
• Clock Freq (max): 100MHz
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 50mA
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / Rohs Status: Not Compliant

Logic Block Diagram
Pin Configuration
Document Number: 001-45652 Rev. **
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Figure 1.
WXO/HF
FL/RT
CY7C4425
CY7C4205
CY7C4215
CY7C4225
CY7C4235
CY7C4245
RXO
WXI
RXI
RS
TQFP (Top View)
WCLK
EXPANSION
CONTROL
POINTER
WRITE
WRITE
RESET
LOGIC
LOGIC
WEN
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
Q
Q
GND
Q
Q
V
Q
Q
GND
Q
Q
Q
Q
GND
Q
V
CC
CC
14
13
12
11
10
9
8
7
6
5
4
OUTPUT REGISTER
REGISTER
TRI–STATE
256 x 18
512 x 18
64 x 18
1K x 18
2K x 18
4K x 18
ARRAY
INPUT
Q
D
RAM
0–17
0–17
GND
V
D
D
D
D
D
D
CC
D
D
D
D
D
D
D
D
D
14
13
12
11
10
9
5
1
8
7
6
4
3
2
0
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
OE
2728 2930
9 8 7
6
Figure 2. PLCC (Top View)
RCLK
3132 33 34 35 36 37 38 3940 4142 43
5
PROGRAM
REGISTER
CONTROL
POINTER
FLAG
LOGIC
READ
READ
FLAG
4
CY7C4425
CY7C4205
CY7C4215
CY7C4225
CY7C4235
CY7C4245
3 2 1 68
REN
CY7C4425/4205/4215
CY7C4225/4235/4245
67
FF
EF
PAE
PAF
SMODE
66 65 64 63 62 61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
Page 2 of 22
V
Q
Q
GND
Q
Q
V
Q
Q
GND
Q
Q
V
Q
Q
GND
Q
CC
CC
CC
14
13
12
11
10
9
8
7
6
5
4
/SMODE
[+] Feedback