參數(shù)資料
型號(hào): 935018290118
廠商: NXP SEMICONDUCTORS
元件分類: SRAM
英文描述: 16 X 4 STANDARD SRAM, 8 ns, PDSO16
封裝: 3.90 MM, PLASTIC, MS-012AC, SOT-109-1, SO-16
文件頁數(shù): 11/15頁
文件大?。?/td> 155K
代理商: 935018290118
Philips Semiconductors
Product specification
74F219A
64-bit TTL bipolar RAM, non-inverting (3-State)
1996 Jan 05
5
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
Tamb = +25°C
VCC = +5.0V
CL = 50pF, RL = 500
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF, RL = 500
UNIT
MIN
TYP
MAX
MIN
MAX
tPLH
tPHL
Access time
Propagation delay
An to Qn
Waveform 1
2.5
2.0
5.0
4.5
8.0
2.5
2.0
8.0
ns
tPZH
tPZL
Enable time
CE to Qn
Waveform 2
1.5
2.5
3.0
4.0
6.0
7.0
1.5
2.0
7.0
7.5
ns
tPHZ
tPLZ
Disable time
CE to Qn
Waveform 3
2.5
1.5
4.5
3.0
7.0
5.5
2.0
1.0
8.0
6.0
ns
tPZH
tPZL
Write recovery time
Enable time
WE to Qn
Waveform 4
2.0
3.0
3.5
4.5
6.5
7.5
1.5
2.5
7.0
8.0
ns
tPHZ
tPLZ
Disable time
WE to Qn
Waveform 4
3.0
1.5
5.0
3.5
8.0
6.0
2.5
1.5
9.0
7.0
ns
AC SETUP REQUIREMENT
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
Tamb = +25°C
VCC = +5.0V
CL = 50pF, RL = 500
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF, RL = 500
UNIT
MIN
TYP
MAX
MIN
MAX
tsu(H)
tsu(L)
Setup time, high or low
An to WE
Waveform 4
4.5
5.0
ns
th(H)
th(L)
Hold time, high or low
An to WE
Waveform 4
0
ns
tsu(H)
tsu(L)
Setup time, high or low
Dn to WE
Waveform 4
8.0
7.5
9.0
8.5
ns
th(H)
th(L)
Hold time, high or low
Dn to WE
Waveform 4
0
ns
tsu(L)
Setup time, low
CE (falling edge) to WE (falling edge)
Waveform 4
0
ns
th(L)
Hold time, low
WE (falling edge) to WE (rising edge)
Waveform 4
6.5
7.5
ns
tw(L)
Pulse width, low
WE
Waveform 4
7.0
8.0
ns
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