STK11C88-N35 Cypress Semiconductor Corp, STK11C88-N35 Datasheet - Page 4

• Manufacturer Part Number: STK11C88-N35
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK11C88-N35

• Word Size: 8b
• Organization: 32Kx8
• Density: 256Kb
• Interface Type: Parallel
• Access Time (max): 35ns
• Operating Supply Voltage (typ): 5V
• Package Type: SOIC
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Operating Temp Range: 0C to 70C
• Pin Count: 28
• Mounting: Surface Mount
• Supply Current: 80mA
• Lead Free Status / RoHS Status: Not Compliant

STK11C88
July 1999
SRAM WRITE CYCLES #1 & #2
Note j:
Note k: E or W must be
SRAM WRITE CYCLE #1: W Controlled
SRAM WRITE CYCLE #2: E Controlled
NO.
12
13
14
15
16
17
18
19
20
21
ADDRESS
DATA OUT
ADDRESS
DATA OUT
DATA IN
DATA IN
t
t
t
t
WLQZ
t
t
t
t
t
t
WLWH
DVWH
WHDX
WHQX
AVWH
WHAX
ELWH
AVWL
If W is low when E goes low, the outputs remain in the high-impedance state.
AVAV
#1
W
E
W
i, j
E
SYMBOLS
t
t
t
t
t
t
t
t
WLEH
DVEH
EHDX
AVEH
EHAX
AVAV
ELEH
AVEL
#2
V
IH
t
AVWL
18
t
during address transitions.
AVEL
18
Alt.
t
t
t
t
t
t
t
t
t
t
WC
WP
CW
DW
WR
OW
DH
AW
WZ
AS
PREVIOUS DATA
Write Cycle Time
Write Pulse Width
Chip Enable to End of Write
Data Set-up to End of Write
Data Hold after End of Write
Address Set-up to End of Write
Address Set-up to Start of Write
Address Hold after End of Write
Write Enable to Output Disable
Output Active after End of Write
PARAMETER
t
WLQZ
t
20
AVEH
17
t
AVWH
17
t
WLWH
13
t
ELWH
k
14
k
t
t
AVAV
AVAV
12
12
5-4
HIGH IMPEDANCE
t
ELEH
14
t
WLEH
13
STK11C88-20
MIN
20
15
15
15
8
0
0
0
5
HIGH IMPEDANCE
t
DVWH
15
MAX
t
DVEH
7
15
DATA VALID
DATA VALID
STK11C88-25
MIN
25
20
20
10
20
0
0
0
5
MAX
10
t
WHDX
STK11C88-35
t
MIN
WHAX
16
35
25
25
12
25
19
0
0
0
5
t
t
EHAX
EHDX
19
16
(V
t
WHQX
MAX
CC
21
13
= 5.0V + 10%)
STK11C88-45
MIN
45
30
30
15
30
0
0
0
5
MAX
15
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
b