CY7C199-15DMB Cypress Semiconductor Corp, CY7C199-15DMB Datasheet - Page 6

• Manufacturer Part Number: CY7C199-15DMB
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C199-15DMB

• Density: 256Kb
• Access Time (max): 15ns
• Operating Supply Voltage (typ): 5V
• Package Type: DIP
• Operating Temp Range: -55C to 125C
• Supply Current: 180mA
• 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
Switching Waveforms
Read Cycle No. 1
Notes:
12. Device is continuously selected. OE, CE = V
13. WE is HIGH for read cycle.
READ CYCLE
t
t
t
t
t
t
t
t
t
t
t
WRITE CYCLE
t
t
t
t
t
t
t
t
t
t
RC
AA
OHA
ACE
DOE
LZOE
HZOE
LZCE
HZCE
PU
PD
WC
SCE
AW
HA
SA
PWE
SD
HD
HZWE
LZWE
Parameter
DATA OUT
ADDRESS
[10,11]
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
Write Cycle Time
CE LOW to Write End
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 LOW to High Z
WE HIGH to Low Z
[12, 13]
PREVIOUS DATA VALID
Description
Over the Operating Range
[8]
[8]
[9]
[8,9]
[8,9]
[8]
IL
.
t
OHA
t
AA
Min.
20
20
15
15
15
10
7C199-20
3
0
3
0
0
0
0
3
[3,7]
Max.
20
20
20
10
9
9
9
(continued)
6
t
RC
Min.
25
25
18
20
18
10
3
0
3
0
0
0
0
3
7C199-25
Max.
25
25
10
11
11
20
11
Min.
35
35
22
30
22
15
7C199-35
3
0
3
0
0
0
0
3
Max.
DATA VALID
35
35
16
15
15
20
15
Min.
45
22
40
22
15
45
7C199-45
3
0
3
0
0
0
0
3
Max.
CY7C199
45
45
16
15
15
25
15
C199–8
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns