CY7C138-25JC Cypress Semiconductor Corp, CY7C138-25JC Datasheet - Page 4

• Manufacturer Part Number: CY7C138-25JC
• Description: IC SRAM 32KBIT 25NS 68PLCC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C138-25JC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 32K (4K x 8)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 68-PLCC
• Density: 32Kb
• Access Time (max): 25ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 12b
• Package Type: PLCC
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 180mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 68
• Word Size: 8b
• Number Of Words: 4K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1445

AC Test Loads and Waveforms
Note:
]
Electrical Characteristics
Capacitance
OUTPUT
V
V
V
V
I
I
I
I
I
I
I
Parameter
C
C
7.
OUTPUT
IX
OZ
CC
SB1
SB2
SB3
SB4
OH
OL
IH
IL
IN
OUT
C = 30 pF
Tested initially and after any design or process changes that may affect these parameters.
(a) Normal Load (Load 1)
Parameter
Load (Load 2)
Output HIGH Voltage
Output LOW Voltage
Input LOW Voltage
Input Leakage Current
Output Leakage Current
Operating Current
Standby Current
(Both Ports TTL Levels)
Standby Current
(One Port TTL Level)
Standby Current
(Both Ports CMOS Levels)
Standby Current
(One Port CMOS Level)
[7]
C = 30 pF
Description
5V
R1=893
R2=347
C138-6
Input Capacitance
Output Capacitance
C138-3
Over the Operating Range (continued)
Description
GND
3.0V
< 3 ns
V
V
GND < V
Output Disabled, GND < V
V
I
Outputs Disabled
CE
f = f
CE
f = f
Both Ports
CE and CE
V
or V
One Port
CE
V
V
Port Outputs, f = f
OUT
OUTPUT
IN
IN
IN
CC
CC
CC
L
L
L
10%
> V
> V
< 0.2V, Active
IN
MAX
MAX
= Max.,
or CE
= 0 mA,
= Min., I
= Min., I
and CE
and CE
C=30pF
(b) Thé venin Equivalent ( Load 1)
< 0.2V, f = 0
CC
CC
[6]
[6]
I
– 0.2V
R
– 0.2V or
< V
R
Test Conditions
ALL INPUT PULSES
> V
> V
90%
R
R
OH
OL
T
V
CC
> V
> V
CC
A
CC
CC
MAX
R
= 4.0 mA
= 25 C, f = 1 MHz,
= –4.0 mA
[6]
TH
– 0.2V,
IH
IH
= 5.0V
4
– 0.2V,
,
,
[6]
=250
Test Conditions
O
< V
Com’l
Ind
Com’l
Ind
Com’l
Ind
Com’l
Ind
Com’l
Ind
V
90%
TH
CC
10%
=1.4V
< 3 ns
C138-4
C138-7
Min.
–10
–10
2.4
2.2
OUTPUT
7C138-35
7C139-35
C = 5 pF
Max.
+10
+10
160
180
100
100
110
0.4
0.8
30
40
15
30
90
(c) Three-State Delay (Load 3)
Max.
10
15
Min.
–10
–10
2.4
2.2
7C138-55
7C139-55
CY7C138
CY7C139
5V
Max.
+10
+10
160
180
100
100
110
0.4
0.8
30
40
15
30
90
R1=893
R2=347
Unit
pF
pF
C138-5
Unit
mA
mA
mA
mA
mA
V
V
V
V
A
A