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參數(shù)資料
| 型號： | 933984380602 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | SRAM |
| 英文描述： | 16 X 4 STANDARD SRAM, 8 ns, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, MO-001AE, SOT-38-1, DIP-16 |
| 文件頁數(shù)： | 13/15頁 |
| 文件大?。?/td> | 155K |
| 代理商： | 933984380602 |
Philips Semiconductors
Product specification
74F219A
64-bit TTL bipolar RAM, non-inverting (3-State)
1996 Jan 05
7
AC WAVEFORMS FOR WRITE CYCLE
VM
An
tsu (H or L)
tPZH
VM
Qn
tPHZ
tPLZ
VM
Dn
VM
CE
VM
WE
th (H or L)
VM
th (H or L)
tsu ( L)
tsu (H or L)
th ( L)
tw ( L)
VM
Hi–Z
tPZL
NOTE: For all waveforms, VM = 1.5V.
SP000313
Waveform 4.
Write cycle
TEST CIRCUIT AND WAVEFORM
tw
90%
VM
10%
90%
VM
10%
90%
VM
10%
90%
VM
10%
NEGATIVE
PULSE
POSITIVE
PULSE
tw
AMP (V)
0V
tTHL (tf )
INPUT PULSE REQUIREMENTS
rep. rate
tw
tTLH
tTHL
1MHz
500ns
2.5ns
Input Pulse Definition
VCC
family
74F
D.U.T.
PULSE
GENERATOR
RL
CL
RT
VIN
VOUT
Test Circuit for Totem-Pole Outputs
DEFINITIONS:
RL = Load resistor;
see AC ELECTRICAL CHARACTERISTICS for value.
CL = Load capacitance includes jig and probe capacitance;
see AC ELECTRICAL CHARACTERISTICS for value.
RT = Termination resistance should be equal to ZOUT of
pulse generators.
tTHL (tf )
tTLH (tr )
AMP (V)
amplitude
3.0V
1.5V
VM
SF00006
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