參數(shù)資料
型號: CYM1821
廠商: Cypress Semiconductor Corp.
英文描述: 16K x 32 Static RAM Module(16K x 32 靜態(tài)RAM模塊)
中文描述: 16K的× 32靜態(tài)RAM模塊(16K的× 32靜態(tài)RAM的模塊)
文件頁數(shù): 12/15頁
文件大小: 114K
代理商: CYM1821
DS1821
062498 12/15
AC ELECTRICAL CHARACTERISTICS:
(–55
°
C to +125
°
C; V
DD
=3.6V to 5.5V)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Temperature Conversion Time
t
CONV
0.4
1.0
s
Time Slot
t
SLOT
60
120
μ
s
Recovery Time
t
REC
1
μ
s
Write 0 Low Time
t
LOW0
60
120
μ
s
Write 1 Low Time
t
LOW1
1
15
μ
s
Read Data Valid
t
RDV
15
μ
s
Reset Time High
t
RSTH
480
μ
s
Reset Time Low
t
RSTL
480
μ
s
Presence Detect High
t
PDHIGH
15
60
μ
s
Presence Detect Low
t
PDLOW
60
240
μ
s
EEPROM Write Time
t
WR
10
50
ms
V
Low to Mode Toggle Clock
Low
t
PC
100
ns
6
Mode Toggle Clock 16 High to
V
DD
High
t
CP
100
ns
Mode Toggle Clock Pulse Low
Time
t
CL
0.1
10
μ
s
Mode Toggle Clock Pulse High
Time
t
CH
0.1
μ
s
Mode Toggle Clock High–to–Low
or Low–to–High Transition Time
t
T
100
ns
Capacitance
C
IN/OUT
25
pF
NOTES:
1. All voltages are referenced to ground.
2. Logic one voltages are specified at a source current of 1 mA.
3. Logic zero voltages are specified at a sink current of 4 mA.
4. I
DD
specified with V
CC
at 5.0V.
5. DQ line in “hi–Z” state and Idq=0.
6. Time for part to disable thermostat output.
7. For T<0
°
C, accuracy degrades by 0.5
°
C/V for V
CC
<4.3V.
8. See typical curve for specification limits outside the 0
°
C to +85
°
C range. Thermometer error reflects sensor accu-
racy as tested during calibration.
9. Standby current is specified up to 85
°
C. Standby current is typically 5 uA at 125
°
C.
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