Cypress Semiconductor Perform CY7C136 Handmatig - Pagina 4

Blader online of download pdf Handmatig voor {categorie_naam} Cypress Semiconductor Perform CY7C136. Cypress Semiconductor Perform CY7C136 16 pagina's. 2k x 8 dual-port static ram

Pagina afdrukken
Capacitance
This parameter is guaranteed but not tested.
Parameter
C
Input Capacitance
IN
C
Output Capacitance
OUT
R1 893Ω
5V
OUTPUT
30 pF
INCLUDING
JIG AND
SCOPE
(a)
Equivalent to:
TH ÉVENIN EQUIVALENT
OUTPUT

Switching Characteristics

Over the Operating Range (Speeds -15, -25, -30)
Parameter
Read Cycle
t
Read Cycle Time
RC
t
Address to Data Valid
AA
t
Data Hold from Address Change
OHA
t
CE LOW to Data Valid
ACE
t
OE LOW to Data Valid
DOE
t
OE LOW to Low Z
LZOE
t
OE HIGH to High Z
HZOE
t
CE LOW to Low Z
LZCE
t
CE HIGH to High Z
HZCE
t
CE LOW to Power Up
PU
t
CE HIGH to Power Down
PD
Shaded areas contain preliminary information.
Notes
8. Test conditions assume signal transition times of 5 ns or less, timing reference levels of 1.5V, input pulse levels of 0 to 3.0V and output loading of the specified I
and 30 pF load capacitance.
9. AC test conditions use V
= 1.6V and V
OH
10. At any given temperature and voltage condition for any given device, t
11. t
, t
, t
, t
t
and t
LZCE
LZWE
HZOE
LZOE,
HZCE,
voltage.
Document #: 38-06031 Rev. *E
Description
T
= 25°C, f = 1 MHz, V
A
Figure 3. AC Test Loads and Waveforms
5V
OUTPUT
R2
5 pF
347Ω
INCLUDING
JIG AND
SCOPE
250Ω
1.4V
[8]
Description
[9]
[9]
[9]
[7, 10]
[7, 10, 11]
[7, 10]
[7, 10, 11]
[7]
[7]
= 1.4V.
OL
HZCE
are tested with C
= 5pF as in (b) of
HZWE
L
CY7C136A, CY7C142, CY7C146
Test Conditions
= 5.0V
CC
R1 893Ω
R2
347Ω
(b)
ALL INPUT PULSES
3.0V
90%
10%
GND
< 5 ns
7C132-25
[4]
7C136-15
7C136-25
7C146-15
7C142-25
7C146-25
Min
Max
Min
15
25
15
0
0
15
10
3
3
10
3
5
10
0
0
15
is less than t
and t
is less than t
LZCE
HZOE
AC Test Loads and
Waveforms. Transition is measured ± 500 mV from steady state
CY7C132, CY7C136
Max
Unit
15
pF
10
pF
5V
281Ω
BUSY
OR
INT
30 pF
BUSY Output Load
(CY7C132/CY7C136 Only)
90%
10%
< 5 ns
[4]
7C132-30
7C136-30
7C142-30
7C146-30
Max
Min
Max
30
25
30
0
25
30
15
20
3
15
15
5
15
15
0
25
25
.
LZOE
Page 4 of 15
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
/I
OL
OH,
[+] Feedback