STK11C88-3P45I Cypress Semiconductor Corp, STK11C88-3P45I Datasheet - Page 4

• Manufacturer Part Number: STK11C88-3P45I
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK11C88-3P45I

• Word Size: 8b
• Organization: 32Kx8
• Density: 256Kb
• Interface Type: Parallel
• Access Time (max): 45ns
• Operating Supply Voltage (typ): 3.3V
• Package Type: PDIP
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Operating Temp Range: -40C to 85C
• Pin Count: 28
• Mounting: Through Hole
• Supply Current: 44mA
• Lead Free Status / RoHS Status: Not Compliant

STK11C88-3
March 2006
SRAM WRITE CYCLES #1 & #2
Note i:
Note j:
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
WLQZ
t
t
t
t
t
t
t
t
t
WLWH
DVWH
WHDX
WHAX
WHQX
ELWH
AVWH
If W is low when E goes low, the outputs remain in the high-impedance state.
E or W must be ≥ V
AVWL
AVAV
#1
W
h, i
E
W
E
SYMBOLS
t
t
t
t
t
t
t
t
WLEH
ELEH
DVEH
EHDX
AVEH
EHAX
AVAV
AVEL
#2
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
t
WLQZ
t
20
AVEH
17
t
AVWH
17
PARAMETER
t
WLWH
13
t
ELWH
j
14
j
t
AVAV
t
12
AVAV
12
HIGH IMPEDANCE
t
ELEH
4
14
t
WLEH
13
HIGH IMPEDANCE
t
DVWH
15
Document Control # ML0013 rev 0.2
t
DVEH
15
DATA VALID
STK11C88-3-35 STK11C88-3-45 STK11C88-3-55
DATA VALID
MIN
35
25
25
12
25
0
0
0
5
MAX
13
t
WHDX
MIN
t
WHAX
45
30
30
15
30
16
0
0
0
5
19
t
t
EHDX
EHAX
16
19
t
WHQX
MAX
21
(V
15
CC
MIN
55
40
40
25
40
0
0
0
5
= 3.0V-3.6V)
MAX
20
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns