STK12C68C55M Cypress Semiconductor Corp, STK12C68C55M Datasheet - Page 4

• Manufacturer Part Number: STK12C68C55M
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK12C68C55M

• Word Size: 8b
• Organization: 8Kx8
• Density: 64Kb
• Interface Type: Parallel
• Access Time (max): 55ns
• Operating Supply Voltage (typ): 5V
• Package Type: CDIP
• Operating Temperature Classification: Military
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Operating Temp Range: -55C to 125C
• Pin Count: 28
• Mounting: Through Hole
• Supply Current: 55mA
• Lead Free Status / RoHS Status: Not Compliant

STK12C68, STK12C68-5 (SMD5962-94599)
Document Control #ML0008 Rev 2.0
SRAM READ CYCLES #1 & #2
Note g: W and HSB must be high during SRAM READ cycles.
Note h: Device is continuously selected with E and G both low.
Note i:
SRAM READ CYCLE #1: Address Controlled
SRAM READ CYCLE #2: E and G Controlled
DQ (DATA OUT)
NO.
10
11
1
2
3
4
5
6
7
8
9
DQ (DATA OUT)
ADDRESS
June, 2008
ADDRESS
Measured ± 200mV from steady state output voltage.
t
t
t
t
t
t
t
t
t
t
t
ELQV
AVAV
AVQV
GLQV
AXQX
ELQX
EHQZ
GLQX
GHQZ
ELICCH
EHICCL
#1, #2
SYMBOLS
g
t
h
I
h
i
i
AVEL
,
CC
t
27
G
f
f
E
ELEH
g
Alt.
t
t
t
t
t
t
t
t
t
t
t
ACS
RC
AA
OE
OH
LZ
HZ
OLZ
OHZ
PA
PS
Chip Enable Access Time
Read Cycle Time
Address Access Time
Output Enable to Data Valid
Output Hold after Address Change
Address Change or Chip Enable to
Output Active
Address Change or
Chip Disable to Output Inactive
Output Enable to Output Active
Output Disable to Output Inactive
Chip Enable to Power Active
Chip Disable to Power Standby
STANDBY
PARAMETER
t
t
ELICCH
AXQX
t
5
10
ELQX
t
6
GLQX
8
t
GLQV
4
t
t
AVAV
AVQV
2
t
ACTIVE
3
ELQV
t
4
AVAV
1
2
STK12C68-5-25
MIN
STK12C68,
25
5
5
0
0
g
g
,
h
MAX
25
25
10
10
10
25
STK12C68-5-35
DATA VALID
MIN
STK12C68,
35
5
5
0
0
MAX
35
35
15
10
10
35
DATA VALID
STK12C68-5-45
MIN
45
STK12C68,
5
5
0
0
(V
t
GHQZ
CC
MAX
9
45
45
20
12
12
45
t
EHQZ
7
= 5.0V ± 10%)
t
EHICCL
STK12C68-5-55
11
MIN
STK12C68,
55
5
5
0
0
MAX
55
55
35
12
12
55
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
e