STK10C48 Simtek Corporation, STK10C48 Datasheet - Page 4

• Manufacturer Part Number: STK10C48
• Description: Density = 16K ;; Format = 2K X 8 ;; # of Pins = 28 ;; Access Time (ns MAX) = 25,35,45 ;; Initiated Store = Hardware ;; Production = Now ;; Volt = 5 ;; Temps Commercial Industrial Military = C/i
• Manufacturer: Simtek Corporation

September 2003
STK10C48
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
DATA OUT
ADDRESS
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
AVWL
AVAV
#1
W
E
W
h, i
E
SYMBOLS
t
t
t
t
t
t
t
t
WLEH
DVEH
EHDX
EHAX
ELEH
AVEH
AVEL
AVAV
#2
V
IH
t
AVWL
t
AVEL
18
during address transitions. NE
18
Alt.
t
t
t
t
t
t
t
t
t
t
WC
WP
CW
DW
AW
WR
OW
DH
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
20
t
AVEH
17
t
AVWH
17
PARAMETER
t
WLWH
13
V
IH
t
ELWH
j
.
j
14
t
AVAV
t
12
AVAV
12
HIGH IMPEDANCE
t
4
ELEH
14
t
WLEH
13
HIGH IMPEDANCE
t
DVWH
15
Document Control # ML0002 rev 0.1
t
DVEH
15
DATA VALID
DATA VALID
STK10C48-25
MIN
25
20
20
10
20
0
0
0
5
MAX
10
t
STK10C48-35
WHDX
t
MIN
WHAX
16
35
25
25
12
25
0
0
0
5
19
t
t
EHDX
EHAX
16
19
(V
t
WHQX
MAX
21
13
CC
STK10C48-45
= 5.0V
MIN
45
30
30
15
30
0
0
0
5
MAX
15
10%)
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns