CY7C185A-35DMB Cypress Semiconductor Corp, CY7C185A-35DMB Datasheet - Page 4

• Manufacturer Part Number: CY7C185A-35DMB
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C185A-35DMB

• Density: 64Kb
• Access Time (max): 35ns
• Operating Supply Voltage (typ): 5V
• Package Type: DIP
• Operating Temp Range: -55C to 125C
• Supply Current: 125mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Military
• Mounting: Through Hole
• Pin Count: 28
• Word Size: 8b
• Lead Free Status / Rohs Status: Not Compliant

Switching Characteristics
READ CYCLE
t
t
t
t
t
t
t
t
t
t
t
t
t
WRITE CYCLE
t
t
t
t
t
t
t
t
t
t
t
Notes:
10. Device is continuously selected. OE, CE = V
RC
AA
OHA
ACE1
ACE2
DOE
LZOE
HZOE
LZCE1
LZCE2
HZCE
PU
PD
WC
SCE1
SCE2
AW
HA
SA
PWE
SD
HD
LZWE
HZWE
7.
8.
9.
Parameter
Test conditions assume signal transition time 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
t
At any given temperature and voltage condition, t
OL
HZOE,
/I
OH
t
HZCE
and 30-pF load capacitance.
, and t
Read Cycle Time
Address to Data Valid
Data Hold from Address Change
CE
CE
OE LOW to Data Valid
OE LOW to Low Z
OE HIGH to High Z
CE
CE
CE
CE
CE
CE
Write Cycle Time
CE
CE
Address Set-Up to Write End
Address Hold from Write End
Address Set-Up to Write Start
WE Pulse Width
Data Set-Up to Write End
Data Hold from Write End
WE HIGH to Low Z
WE LOW to High Z
[10]
HZWE
1
2
1
2
1
2
1
1
1
2
HIGH to Data Valid
HIGH to Low Z
HIGH to Write End
LOW to Data Valid
LOW to Low Z
HIGH to High Z
LOW to High Z
LOW to Power-Up
HIGH to Power-Down
LOW to Write End
are specified with C
Description
Over the Operating Range
[9]
[8]
[8]
[8, 9]
L
= 5 pF as in part (b) of AC Test Loads. Transition is measured 500 mV from steady-state voltage.
IL
. CE
HZCE
2
= V
IH
is less than t
.
Min.
7C185A–20
20
20
15
15
15
15
10
LZCE
3
3
5
3
0
0
0
0
3
[7]
for any given device.
4
Max.
20
20
20
10
20
8
8
7
Min.
7C185A–25
25
20
20
20
20
15
10
3
3
5
3
0
0
0
0
5
Max.
25
25
25
12
10
10
20
7
Min.
7C185A–35
35
25
25
25
25
20
15
3
3
5
3
0
0
0
0
5
Max.
35
35
35
15
12
15
20
10
Min.
7C185A–45
45
40
30
30
30
20
15
3
3
5
3
0
0
0
0
5
CY7C185A
Max.
45
45
30
20
15
15
25
15
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns