ST2129QTR Datasheet, PDF (10/20 Pages) STMicroelectronics – 2-bit dual supply level translator without direction control pin

AC characteristics
6
AC characteristics
ST2129
Load C_L = 15 pF; driver t_r = t_f ≤ 2 ns over temperature range -40 °C to 85 °C.
Table 8. AC characteristics - test conditions: V_L = 1.65 – 1.95 V
Symbol
Parameter
V_CC = 1.65 – V_CC = 2.3 – V_CC = 3.0 –
1.95 V
2.7 V
3.6 V
V_CC = 4.5 –
5.5 V
Unit
Min Max Min Max Min Max Min Max
t_RVCC Rise time I/O_VCC
– 5.0 – 3.2 – 2.4 –
1.4 ns
t_FVCC Fall time I/O_VCC
– 1.5 – 1.4 – 1.3 –
1.2 ns
t_RVL Rise time I/O_VL
– 2.8 – 2.7 – 2.6 –
2.6 ns
t_FVL Fall time I/O_VL
– 1.5 – 1.4 – 1.4 –
1.3 ns
Propagation delay time _{tPLH –}
6.6
–
5.8
–
5.0
–
4.4 ns
t_I/OVL-VCC I/O_VL-LH to I/O_VCC-LH
I/O_VL-HL to I/O_VCC-HL ^tPHL
–
4.1
–
3.8
–
3.6
–
3.4 ns
Propagation delay time _{tPLH –}
4.9
–
4.4
–
4.1
–
4.4 ns
t_I/OVCC-VL I/O_VCC-LH to I/O_VL-LH
I/O_VCC-HL to I/O_VL-HL ^tPHL
–
4.6
–
4.2
–
4.0
–
3.6 ns
t_PZL t_PZH Output enable time
t_PLZ t_PHZ Output disable time
D_R
Data rate⁽¹⁾
–
27
–
27
–
27
–
– 145 – 145 – 145 –
41
–
66
–
84
–
86
27
ns
145
– Mbps
1. Data rate is guaranteed based on the condition that output I/O signal rise/fall time is less than 15% of period of input I/O
signal; input I/O signal is at 50% duty-cycle and output I/O signal duty-cycle deviation is less than 50% ± 10%.
10/20
Doc ID 15967 Rev 1