Cypress Perform CY7C136A - Manual (Page 4)

CY7C132, CY7C136
CY7C136A, CY7C142, CY7C146
Document #: 38-06031 Rev. *E Page 4 of 15
Capacitance
This parameter is guaranteed but not tested.
Parameter Description Test Conditions Max Unit
C
IN
Input Capacitance T
A
= 25
°C, f = 1 MHz, V
CC
= 5.0V 15 pF
C
OUT
Output Capacitance 10 pF
Figure 3. AC Test Loads and Waveforms
3.0V
5V
OUTPUT
R1 893 Ω
R2
347
Ω
30 pF
INCLUDING
JIG AND
SCOPE
GND
90%
90%
10%
< 5 ns < 5 ns
5V
OUTPUT
R1 893 Ω
R2
347
Ω
5 pF
INCLUDING
JIG AND
SCOPE (a) (b)
OUTPUT 1.4V
Equivalent to: TH ÉVENIN EQUIVALENT
5V
281
Ω
30 pF
BUSY
OR
INT
BUSY Output Load
(CY7C132/CY7C136 Only)
10%
ALL INPUT PULSES
250 Ω
Switching Characteristics
Over the Operating Range (Speeds -15, -25, -30)
[8]
Parameter Description
7C136-15
[4]
7C146-15
7C132-25
[4]
7C136-25
7C142-25
7C146-25
7C132-30
7C136-30
7C142-30
7C146-30
Unit
Min Max Min Max Min Max
Read Cycle
t
RC
Read Cycle Time 15 25 30 ns
t
AA
Address to Data Valid [9] 15 25 30 ns
t
OHA
Data Hold from Address Change 0 0 0 ns
t
ACE
CE LOW to Data Valid [9] 15 25 30 ns
t
DOE
OE LOW to Data Valid
[9]
10 15 20 ns
t
LZOE
OE LOW to Low Z
[7, 10]
3 3 3 ns
t
HZOE
OE HIGH to High Z [7, 10, 11] 10 15 15 ns
t
LZCE
CE LOW to Low Z
[7, 10]
3 5 5 ns
t
HZCE
CE HIGH to High Z [7, 10, 11] 10 15 15 ns
t
PU
CE LOW to Power Up
[7]
0 0 0 ns
t
PD
CE HIGH to Power Down
[7]
15 25 25 ns
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
OL
/I
OH,
and 30 pF load capacitance.
9. AC test conditions use V
OH
= 1.6V and V
OL
= 1.4V.
10. At any given temperature and voltage condition for any given device, t
HZCE
is less than t
LZCE
and t
HZOE
is less than t
LZOE
.
11. t
LZCE
, t
LZWE
, t
HZOE
, t
LZOE,
t
HZCE,
and t
HZWE
are tested with C
L
= 5pF as in (b) of AC Test Loads and Waveforms . Transition is measured ± 500 mV from steady state
voltage.
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