CY7C146-25JC Cypress Semiconductor Corp, CY7C146-25JC Datasheet - Page 4

• Manufacturer Part Number: CY7C146-25JC
• Description: IC SRAM 16KBIT 25NS 52PLCC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C146-25JC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 16K (2K x 8)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 52-PLCC
• Density: 16Kb
• Access Time (max): 25ns
• Sync/async: Asynchronous
• Architecture: SDR
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 22b
• Package Type: PLCC
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 170mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 52
• Word Size: 8b
• Number Of Words: 2K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1202

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