CY7C261-25WMB Cypress Semiconductor Corp, CY7C261-25WMB Datasheet - Page 4

• Manufacturer Part Number: CY7C261-25WMB
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C261-25WMB

• Density: 64Kb
• Organization: 8Kx8
• Interface Type: Parallel
• In System Programmable: In System/External
• Frequency (max): Not RequiredMHz
• Access Time (max): 25ns
• Package Type: Windowed CDIP
• Reprogramming Technique: UV
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Pin Count: 24
• Mounting: Through Hole
• Operating Temp Range: -55C to 125C
• Operating Temperature Classification: Military
• Lead Free Status / RoHS Status: Not Compliant

Switching Characteristics
AC Test Loads and Waveforms
Document #: 38-04010 Rev. *B
Test Load for -20 through -30 speeds
Test Load for -35 through -55 speeds
t
t
t
t
t
t
t
Parameter
OUTPUT
Equivalent to:
OUTPUT
Equivalent to:
AA
HZCS1
HZCS2
ACS1
ACS2
PU
PD
INCLUDING
INCLUDING
5V
5V
JIG AND
SCOPE
OUTPUT
OUTPUT
JIG AND
(a) Normal Load
SCOPE
30pF
30 pF
(c) Normal Load
Address to Output Valid
Chip Select Inactive to High Z
(7C263 and 7C264)
Chip Select Inactive to High Z
(7C261)
Chip Select Active to Output Valid
(7C263 and 7C264)
Chip Select Active to Output Valid
(7C261)
Chip Select Active to Power-Up
(7C261)
Chip Select Inactive to
Power-Down (7C261)
R1250
THÉ VENIN EQUIVALENT
(658 MIL)
THÉ VENIN EQUIVALENT
R1 500
R
R
TH
TH
Description
200 (250 MIL)
100
(403 MIL)
R2167
R2 333
Over the Operating Range
OUTPUT
OUTPUT
2.0V(1.9VMIL)
2.0V
INCLUDING
INCLUDING
5V
5V
[4]
JIG AND
JIG AND
SCOPE
SCOPE
(b) High Z Load
(d) High Z Load
5 pF
5 pF
(658 MIL)
R1 500
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max.
R1 250
7C261-20
7C263-20
7C264-20
0
[1,3,4
20
12
20
12
20
20
(403 MIL)
R2167
R2 333
]
7C261-25
7C263-25
7C264-25
0
25
12
25
12
25
25
GND
3.0V
7C261-35
7C263-35
7C264-35
0
5 ns
35
20
35
20
35
35
10%
7C261-45
7C263-45
7C264-45
CY7C263/CY7C264
0
90%
45
30
45
30
45
45
7C261-55
7C263-55
7C264-55
0
CY7C261
90%
Page 4 of 14
55
35
55
35
55
55
10%
5 ns
Unit
ns
ns
ns
ns
ns
ns
ns