CY7C462-25PC E2V, CY7C462-25PC Datasheet - Page 4

• Manufacturer Part Number: CY7C462-25PC
• Manufacturer: E2V

Specifications of CY7C462-25PC

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Switching Characteristics
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Notes:
Parameter
RC
A
RR
PR
LZR
DVR
HZR
WC
PW
HWZ
WR
SD
HD
MRSC
PMR
RMR
RPW
WPW
RTC
PRT
RTR
EFL
HFH
FFH
REF
RFF
WEF
WFF
WHF
RHF
RAE
RPE
WAF
WPF
XOL
XOH
5.
6.
[6]
[6]
Test conditions assume signal transmission time of 5 ns or less, timing reference levels of 1.5V and output loading of the specified I
capacitance, as in part (a) of AC Test Load, unless otherwise specified.
t
HZR
and t
DVR
Read Cycle Time
Access Time
Read Recovery Time
Read Pulse Width
Read LOW to Low Z
Data Valid After Read HIGH
Read HIGH to High Z
Write Cycle Time
Write Pulse Width
Write HIGH to Low Z
Write Recovery Time
Data Set-Up Time
Data Hold Time
MR Cycle Time
MR Pulse Width
MR Recovery Time
Read HIGH to MR HIGH
Write HIGH to MR HIGH
Retransmit Cycle Time
Retransmit Pulse Width
Retransmit Recovery Time
MR to EF LOW
MR to HF HIGH
MR to FF HIGH
Read LOW to EF LOW
Read HIGH to FF HIGH
Write HIGH to EF HIGH
Write LOW to FF LOW
Write LOW to HF LOW
Read HIGH to HF HIGH
Effective Read from Write
HIGH
Effective Read Pulse Width
After EF HIGH
Effective Write from Read
HIGH
Effective Write Pulse
Width After FF HIGH
Expansion Out LOW
Delay from Clock
Expansion Out HIGH
Delay from Clock
use capacitance loading as in part (b) of AC Test Load.
Description
Over the Operating Range
Min.
7C460-15
7C462-15
7C464-15
30
15
15
30
15
15
11
30
15
15
15
15
30
15
15
15
15
3
3
5
0
Max.
15
15
25
25
25
15
15
15
15
25
25
15
15
15
30
Min.
[2,5]
7C460-20
7C462-20
7C464-20
30
10
20
30
20
10
12
30
20
10
20
20
30
20
10
20
20
4
3
3
5
0
Max.
20
15
30
30
30
20
20
20
20
30
30
20
20
20
35
Min.
7C460-25
7C462-25
7C464-25
35
10
25
35
25
10
15
35
25
10
25
25
35
25
10
25
25
3
3
5
0
Max.
25
18
35
35
35
25
25
25
25
35
35
25
25
25
35
Min.
7C460-40
7C462-40
7C464-40
50
10
40
50
40
10
20
50
40
10
40
40
50
40
10
40
40
3
3
5
0
Max.
40
25
50
50
50
40
40
40
40
50
50
40
40
40
50
Min.
7C460-65
7C462-65
7C464-65
80
15
65
80
65
15
30
10
80
65
15
65
65
80
65
15
65
65
OL
3
3
5
/I
CY7C460
CY7C462
CY7C464
OH
and 30-pF load
Max.
65
25
80
80
80
60
60
60
60
60
60
60
60
65
65
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns