cym1846p8-35c Cypress Semiconductor Corporation., cym1846p8-35c Datasheet - Page 3

• Manufacturer Part Number: cym1846p8-35c
• Description: 512k X 32 Static Ram Module
• Manufacturer: Cypress Semiconductor Corporation.

AC Test Loads and Waveforms
Switching Characteristics
READ CYCLE
t
t
t
t
t
t
t
t
t
t
WRITE CYCLE
t
t
t
t
t
t
t
t
t
t
Shaded area contains preliminary information.
OUTPUT
RC
AA
OHA
ACS
DOE
LZOE
HZOE
LZCS
HZCS
PD
WC
SCS
AW
HA
SA
PWE
SD
HD
LZWE
HZWE
Equivalent to:
INCLUDING
JIG AND
SCOPE
Parameter
5V
OUTPUT
30 pF
[6]
(a)
R1 481
THÉVENIN EQUIVALENT
Read Cycle Time
Address to Data Valid
Data Hold from Address Change
CS LOW to Data Valid
OE LOW to Data Valid
OE LOW to Low Z
OE HIGH to High Z
CS LOW to Low Z
CS HIGH to High Z
CS HIGH to Power-Down
Write Cycle Time
CS 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 HIGH to Low Z
WE LOW to High Z
167
R2
255
Over the Operating Range
OUTPUT
1.73V
INCLUDING
JIG AND
SCOPE
[4]
Description
[4, 5]
[5]
5V
5 pF
(b)
R1 481
[3]
3
1846–2
R2
255
GND
Min.
3.0V
12
12
10
3
0
3
9
9
0
1
7
1
3
0
1846–12
5 ns
Max.
12
12
12
7
7
7
7
10%
90%
ALL INPUT PULSES
Min.
15
15
10
10
12
3
0
3
0
1
8
1
3
0
1846–15
Max.
15
15
15
8
8
8
8
CYM1846
90%
10%
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1846–3
5 ns