CY7C1325-50AC CYPRESS [Cypress Semiconductor], CY7C1325-50AC Datasheet - Page 9

• Manufacturer Part Number: CY7C1325-50AC
• Description: 256K x 18 Synchronous 3.3V Cache RAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

AC Test Loads and Waveforms
Switching Characteristics
OUTPUT
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Notes:
10. Unless otherwise noted, test conditions assume signal transition time of 2.5 ns or less, timing reference levels of 1.25V, input pulse levels of 0 to 2.5V, and
11. t
12. At any given voltage and temperature, t
13. This parameter is sampled and not 100% tested.
CYC
CH
CL
AS
AH
CDV
DOH
ADS
ADH
WES
WEH
ADVS
ADVH
DS
DH
CES
CEH
CHZ
CLZ
EOHZ
EOLZ
EOV
9.
Parameter
R1=1667 and R2=1538 for I
output loading of the specified I
voltage.
CHZ
, t
CLZ
, t
EOHZ
Z
0
Clock Cycle Time
Clock HIGH
Clock LOW
Address Set-Up Before CLK Rise
Address Hold After CLK Rise
Data Output Valid After CLK Rise
Data Output Hold After CLK Rise
ADSP, ADSC Set-Up Before CLK Rise
ADSP, ADSC Hold After CLK Rise
BWS
BWS
ADV Set-Up Before CLK Rise
ADV Hold After CLK Rise
Data Input Set-Up Before CLK Rise
Data Input Hold After CLK Rise
Chip Enable Set-Up
Chip Enable Hold After CLK Rise
Clock to High-Z
Clock to Low-Z
OE HIGH to Output High-Z
OE LOW to Output Low-Z
OE LOW to Output Valid
=50
, and t
[1:0]
[1:0]
(a)
EOLZ
, GW, BWE Set-Up Before CLK Rise
, GW, BWE Hold After CLK Rise
V
L
are specified with a load capacitance of 5 pF as in part (b) of AC Test Loads. Transition is measured
=1.5V
OL
OH
R
[11, 12]
[11, 12]
/I
/I
L
OH
Description
OL
=50
=–4/8 mA, R1=521 and R2=481 for I
Over the Operating Range
and load capacitance. Shown in (a) and (b) of AC Test Loads.
CHZ
(max) is less than t
[11, 13]
OUTPUT
[11, 13]
2.5V
INCLUDING
JIGAND
SCOPE
5 pF
CLZ
(min).
[10]
(b)
R1
9
Min.
8.5
3.0
3.0
2.0
0.5
2.0
2.0
0.5
2.0
0.5
2.0
0.5
2.0
0.5
2.0
0.5
[9]
0
0
OH
-117
/I
R2
OL
Max.
=–2/2 mA.
1325–3
7.5
3.5
3.5
3.5
GND
2.5V
Min.
4.0
4.0
2.0
0.5
2.0
2.0
0.5
2.0
0.5
2.0
0.5
2.0
0.5
2.0
0.5
10
0
0
-100
2.5 ns
Max.
8.0
3.5
3.5
3.5
10%
Min.
4.5
4.5
2.0
0.5
2.0
2.0
0.5
2.0
0.5
2.0
0.5
2.0
0.5
2.0
0.5
11
ALL INPUT PULSES
0
0
90%
-90
Max.
8.5
3.5
3.5
3.5
200 mV from steady-state
Min.
4.5
4.5
2.0
0.5
2.0
2.0
0.5
2.0
0.5
2.0
0.5
2.0
0.5
2.0
0.5
20
0
0
CY7C1325
-50
90%
Max. Unit
11.0
3.5
3.5
3.5
10%
1325–4
2.5 ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns