CY7C4801-25AC Cypress Semiconductor Corp, CY7C4801-25AC Datasheet - Page 2

• Manufacturer Part Number: CY7C4801-25AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C4801-25AC

• Density: 4Kb
• Word Size: 9b
• Sync/async: Synchronous
• Expandable: Yes
• Package Type: TQFP
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / Rohs Status: Not Compliant

WCLKA
Logic Block Diagram
RSA
RSB
POINTER A
CONTROL
WRITE
WRITE
WENA1
Pin Configuration
WENA2/LDA
RESET
LOGIC
WCLKB
POINTER B
CONTROL
WRITE
WENB1
WRITE
WENB2/LDB
OEA
OUTPUT REGISTER
THREE–STATE
REGISTER
ARRAY A
INPUT
8k x 9
QA
256 x9
WENA2/LDA
RAM
DA
.
.
0-8
0-8
WCLKA
WENA1
RSA
QA
QA
QA
QA
QA
QA
QA
QA
DA
DA
DA
V
cc
1
2
3
4
5
6
7
8
8
7
6
DB
OEB
0-8
OUTPUT REGISTER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
THREE–STATE
REGISTER
ARRAY B
8k x 9
QB
INPUT
256 x 9
RAM
.
.
0-8
CY7C4801
CY7C4811
CY7C4821
CY7C4831
CY7C4841
CY7C4851
Top View
TQFP
2
RCLKA
PROGRAM
REGISTER
CONTROL A
POINTER A
LOGIC
RENA1
FLAG
FLAG
READ
READ
RENA2
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
48X1–1
QB
FFB
EFB
OEB
RENB2
RCLKB
RENB1
GND
V
PAEB
PAFB
DB
DB
DB
DB
DB
RCLKB
cc
0
1
2
3
4
CONTROL B
0
LDA
LDB
POINTER B
READ
CY7C4831/4841/4851
RENB1
READ
CY7C4801/4811/4821
EFA
PAEA
PAFA
FFA
EFB
PAEB
PAFB
FFB
RENB2
48X1–1